Kwekers Bode juni UK 2025

June 2025

25 june , 2 0 2 5

• Great future perspectives for perennial cultivation • Biodiversity in Scandinavia • Futureproof cultivation in the nursery stock industry: essential for people, environment and market • From traditional cultivation to data-driven innovation • Growers must adapt their assortment to climate change • Why the engine room is going to make the difference

COLOPHON: This KwekersBode is a cooperation between Uitgever de Bode and GrootGroenPlus |

Distribution: Municipalities of Etten-Leur, Rucphen, and

Zundert | Print: 40,600 copies + 18,000 digital addresses of trade fair contacts of GrootGroenPlus |

Acquisition: John van Aert and Kim Sterkman | Layout: Jan Bastiaenen | Text contributions

GrootGroenPlus: team members of GGP.News

2 Text: Nursery Stock Trade Fair GrootGroenPlus

GREAT FUTURE PERSPECTIVES FOR PERENNIAL CULTIVATION The Netherlands has a strong position in the cultivation of perennials, thanks to its fertile soil, advanced cultivation

techniques, and a well-organised trade infrastructure. The industry contributes to ornamental horticulture, which is an important part of Dutch agricultural exports.

collectively working on that through

the promotional organisation Perennial Power. This initiative focuses on

promoting perennials to consumers.

Through targeted campaigns, inspiring

content, and collaboration with growers and garden centres, Perennial Power

increases the awareness and popularity of perennials among consumers. They

organise promotional activities such as online campaigns and press materials

for trade magazines and influencers. This encourages sustainable gardening and shows how versatile, colourful, and low-

maintenance perennials can be. Thanks to their efforts, perennials are gaining a

more prominent position in gardens and in the hearts of garden lovers. Currently, 70 perennial growers are members of

Perennials form the basis of the garden

Perennial Power. Perennial growers who

want to join this organisation can contact info@perennialpower.nl.

Vaste Plantenkwekerij Het Eyssel specialises in cultivation for the landscaping market Vaste Plantenkwekerij Het Eyssel specialises in the cultivation of

Koen Kauffmann and Wim Freier of Perennial grower Plantsoen

high-quality landscaping products. Its

assortment now includes more than 1200 Dutch perennial cultivation is an

Kingdom and France. Exports to the

market. Despite the challenges

industry, focusing on the cultivation of

factors, including stricter phytosanitary

has opportunities for further growth.

important industry within the tree nursery herbaceous plants that bloom year after year. These plants are used in gardens and are also an indispensable part of

public green spaces. Dutch perennials are characterised by a large diversity; many different types of perennials

United States are influenced by various requirements, transport costs, and competition from local growers.

Additionally, geopolitical tensions and

sustainability requirements play a role in trade dynamics.

are cultivated, including many native

Opportunities and threats

known for their quality and health. And

opportunities, such as the growing

species. Moreover, Dutch perennials are developments continue: Growers are working on developing new varieties

and cultivation methods. There is also a

growing focus on sustainable cultivation methods, and organic nurseries are on the rise.

International position

A large part of Dutch perennials is

exported. Germany is a major buyer of Dutch ornamental horticulture

products, as well as the United Kingdom and Belgium. Belgium and France

are both producers and importers.

The Dutch export position has slightly

weakened in recent years, particularly in core countries such as the United

mentioned above, this industry certainly Innovation is key, as well as strategic adjustments and investments.

Promotion of perennials

Good promotion is essential for sales.

Many perennial plant growers are

species and an annual production of

1.6 million plants. The nursery currently spans 5 hectares of container fields

across two locations, the main site in

Meerle and a secondary location in Meer.

In addition to perennials, grasses, ferns,

herbs, and ground covers are also grown.

The company serves a wide range of

customers: landscapers, green space providers, municipalities, wholesalers,

Perennial cultivation offers several

demand for sustainable and native

plant species. In addition, technological innovation offers opportunities to

optimise production and strengthen the export position.

However, there are also threats. Consider the consequences of stricter regulations, both in the Netherlands and for exports abroad. For instance, phytosanitary

controls when exporting to the United

Kingdom result in higher costs and more uncertainty. Moreover, climate change and extreme weather conditions are

factors that could affect the availability of starting materials.

Dutch perennial cultivation remains an important player in the international

Perennial Nursery Het Eyssel. Photo: GGP2024

June 2025

3

Freier. Nevertheless, macroeconomic

choice, while still keeping production

something to watch out for. Drought was

the production himself. With help from a

conditions and peaks in climate remain an issue for many nurseries. Freier: “We have good control over water supply

on our container fields. Fortunately, we

haven’t had issues with drought in recent weeks.”

In the near future, Wim Freier expects

more focus on in-house propagation and mother plants, by setting up a separate department for this purpose.

De Gijzel Vasteplanten, strategically located in central Brabant

In 2024, Koen Schuurmans from Helvoirt

took a bold step: he left his job in the tree

nursery industry to start his own business in perennials. And that choice is proving to be more than fruitful. At just 29 years old, he now runs a small but rapidly growing nursery, specialising in the cultivation of perennials in P9 pots.

Koen is no stranger to the industry. With experience as a cultivation worker and

in the purchasing department within the tree nursery industry, he knew exactly

Koen Schuurmans of De Gijzel Perennials

where the opportunities were. The

location of his nursery in Helvoirt - in

the heart of North Brabant - plays a key exporters, and garden centres. “By

landscaping. When the opportunity arose

companies - Perennial Nursery Het Eyssel

they did not hesitate and focused 100%

combining the strengths of two

and Trading Nursery Het Eyssel - we can combine the expertise of a specialised

nursery with the flexibility and service of a trading nursery,” says owner Maurice van Meel.

“Het Eyssel also aims to produce as

sustainably as possible,” says Maurice.

“We must be careful with nature, but

in a realistic way. We are using fewer

chemical products. And of course, we

are MPS-ECAS certified. Especially in the

changing climate conditions, we carefully consider which species to pot during

which periods.” Het Eyssel is affiliated

with MPS and is also a member of the promotional organisation Perennial Power.

Plantenkwekerij Plantsoen - from maintenance and landscaping to perennial cultivation Plantsoen in Hamont-Hachel (B)

was founded in 2021 by owners Koen Kauffmann and Wim Freier as a

business for garden maintenance and

to take over an existing perennial nursery, on cultivation.

The nursery specialises in perennials, ornamental grasses, and ferns. It

primarily supplies garden centres,

fellow growers, and wholesalers in the

EU. Plantsoen has two locations with a total of 7000 m² of glasshouses, 2000

m² of tunnel greenhouses, and shading

facilities. There is also a large container field of 3.5 hectares, which will be

expanded, including an expansion of the assortment.

The KwekerBode spoke with Wim Freier and asked: “How do you make your

nursery ecologically, organically, and

biodiverse?” Freier: “Currently, we focus heavily on biostimulants to reduce the

use of chemicals at the nursery. We are

also testing peat reduction in our potting mix. Recaptured rainwater is used,

and hedge edges are standard when

establishing container fields and planting mother beds.” How does Wim Freier

see the current situation of perennial

cultivation? “We remain optimistic,” says

role. “It’s an area where relatively few

perennial growers are,” says Koen. “But it’s a place where customers looking

for various nursery products frequently visit. They can now easily stop by for a beautiful assortment of perennials.”

That smart insight is quickly paying off.

In just the first season, Koen managed to plant and sell no less than 300,000 P9 plants. Currently, he is working on

planting another 650,000 plants, which will allow him to offer his customers an

even wider assortment. His nursery now

has 1.2 hectares of container fields, which will eventually be fully utilised. The focus is on species that are widely applicable in public green spaces. “I am focusing

on an assortment of about 350 species,” he explains. “That gives my customers

manageable.” And Koen does most of

few temporary workers and motivated students, he is achieving impressive

numbers. His goal for 2025? An annual

production of 650,000 perennials in P9.

An ambitious plan - but considering

the flying start of his nursery, it’s only a

matter of time before this goal becomes a reality.

Together with Koen, we also looked at the future: “The focus is now on

optimal use of the existing container

field and delivering high-quality plants and service,” he says. “From there, I will be looking at further expansion

opportunities.” Climate change and

drought make water an increasingly

valuable resource. Koen is proactively

responding to this. “This year we installed water catchment facilities, and we

deliberately made them larger than

required by the current regulations.”

Despite stricter regulations and changing climate, Koen looks to the future of the

industry with confidence. “Perennials are strong and fit well into modern green

plans. There is increasing demand for

biodiversity, low-maintenance planting, and perennials align perfectly with this.

Especially in public green spaces, I see plenty of growth opportunities.”

The KwekersBode is of course curious about the reason for the company to participate in GrootGroenPlus. Koen

Schuurmans: “Last year, GrootGroenPlus was a valuable introduction for me to

introduce myself to potential customers.

The event helped me make various connections, which formed a good foundation to start the season.

In the run-up to this year, I also visited

several customers to get a better idea of their way of working and specific

needs. Nevertheless, I find it efficient and valuable to meet both new and existing

contacts in a short time. GrootGroenPlus offers the ideal platform for that.”

On behalf of trade fair GrootGroenPlus: Loïs Lodders, member of the board “The perennial cultivation industry is heading towards a sustainable and innovative future. At a trade fair like GrootGroenPlus, knowledge, contacts, and opportunities come together. This is essential for anyone aiming to move forward in this flourishing industry.”

4 Text: Nursery Stock Trade Fair GrootGroenPlus

BIODIVERSITY IN SCANDINAVIA In Scandinavian countries, the cultivation of trees, shrubs, conifers, perennials, and rose bushes play a crucial role in

with landscape architects, planners, and

mild summers, which made native plant species adjust to challenging circumstances. Thanks to age-old traditions in

make this go as well as possible. When

maintaining natural landscapes and biodiversity. The region is known for its unique balance between cold winters and forestry and agriculture, growers continue to experiment with new cultivation methods.

The impact of climate change

project managers. “It is a prerequisite to developing plant material, foresight is needed.”

a growing threat. Extreme weather

The Danish garden plant industry is small, but high-quality

heavy rainfall, cause stress to the flora.

is a niche within the broader efficient

Nevertheless, climate change presents

The garden plant industry in Denmark

conditions, such as unexpected frost and

and sustainable agricultural industry.

Furthermore, the risk of invasive species

Unfortunately, the exact figures on

increases, which negatively affects the

the production value of garden plants

health and biodiversity of native plants.

are limited. The agricultural industry

At the same time, warmer temperatures

accounts for about 22% of Denmark’s

offer opportunities to introduce new,

goods exports (including livestock,

adapted species. Scientific projects

dairy, and grain). Within this industry,

and nature conservation initiatives

ornamental plants and horticultural

play an essential role in monitoring and

products play a modest but steadily

supporting cultivation.

Innovative techniques such as controlled irrigation systems, reduced pesticide

regimes, and the development of clima-

Nursery Sven Myrvold in Norway. Photo: Dag Eivind Gangas

te-resilient varieties are being employed

high-quality, climate-resilient varieties

changing climate. Through collaborations

fluctuating summers.

to mitigate the negative effects of a between governments, knowledge

institutions, and the agricultural industry, a dynamic adaptation process is

emerging. This enables the Scandinavian cultivation industry to preserve and even enrich its rich green heritage despite the increasing challenges posed by climate change.

Scandinavia as a market

Scandinavian countries form an

extremely important market for tree

nursery products. These countries also invest heavily in sustainable urban

planning, recreational landscapes, and ecologically responsible management.

They set high standards for the quality,

sustainability, and climate resilience of the plants they receive, as they often face extreme weather conditions.

This forces exporters to offer only

that can withstand long, cold winters and

adapt to both ecological and economic developments.

Companies like Heideveld BV have

Sweden

markets. Thanks to close cooperation

comes to the nursery stock industry.

specialised in exporting to these with selected growers, they can

guarantee a wide range of products perfectly suited to the needs of

garden centres, landscapers, and

wholesalers in Scandinavia. In addition to a stable market, the Scandinavian countries promote innovation in

product development and ecologically responsible cultivation methods. This continuous demand for advanced solutions ensures a steady flow of

investment in research and development within the tree nursery industry.

In short, the Scandinavian market

functions as a strategic engine for the export of tree nursery products, with its critical market needs driving the

industry to continuously improve and

Sweden is not a large country when it The import value in 2023 was around 50 million euros, while the export

value was about 6 million euros. “The industry is small in Sweden with few

players. Many have disappeared. But

we are an important industry that has a significant impact on people’s daily

lives and, for example, on the ability to improve the climate in cities. Climate and environmental issues interest

many young people; perhaps we can

reach them through that avenue,” says Peter Welin. He is the chairman of the

horticulture division of the Agricultural

Federation, focusing on nursery products, and also runs one of Sweden’s largest

demand for sustainable and locally produced plants.

According to official figures, the export of garden plants amounts to 2.2 billion DKK. Garden plants are mainly exported to

neighbouring countries such as Germany and Sweden, while imports mostly come from the Netherlands, which is a major supplier of young plants and seeds.

Denmark positions itself as a leader in sustainable horticulture, with a strong focus on organic, climate-resistant

plants. Through innovation, collaboration, and circular production methods, the

country is addressing climate change and international competition. Danish

growers invest in robust plant species, water conservation, and renewable energy. Denmark is also the world’s

largest exporter of Christmas trees, with over 10 million units per year. Despite

its small size, Denmark has big green ambitions.

Sweden is a long and narrow country,

Tree, shrub, and perennial cultivation in Norway

the country is divided into 7-8 plant

shrubs, and perennials is modest in size

plant nurseries, Essunga Plantskola. almost 1600 kilometres long. Today,

zones, from 1 in the south to 7 in the far

north. The variation in temperature and climate is considerable, but with global climate change, it is a challenge to

predict what we can expect. This is also a much-discussed topic within the tree nursery industry.

Peter Welin: “We don’t know whether the differences in the country will become larger or smaller, but we also don’t

know what the climate in countries that

produce plant material for us will look like, and whether plants grown there will be

usable here. We will need to reconsider

plant choices for the climate, and there

are currently many research projects on

Essunga Plantskola in Sweden

growing role, partly due to the increasing

this topic.” To integrate the climate and sustainability goals, Welin believes the tree nursery industry must work better

The Norwegian cultivation of trees,

- with an estimated 40 tree nurseries -

but is steadily developing. The export is limited due to strict EU regulations, as

Norway is considered a ‘third country,’

while imports primarily come from the Netherlands, Denmark, and Germany.

“Not much is exported from Norway, it’s

mostly imported from the EU,” says Maria Fall from the Norwegian Horticultural Association.

Opportunities lie in the growing demand

for native plants with locally propagated material. However, this is complex: “The

market wants the material to come from specific regions, but ‘specific’ is often anything but specific,” says Fall. The

industry is also faced with challenges such as climate change and the

increasing ban on non-native species.

June 2025

5

that have been developed in consultation

in his father’s backyard. In 1991, together

This makes environmentally friendly and

nursery De Bloemenkampen, named after

with the machinery builder for Liwardi. efficient working under good working

conditions possible. Liwardi plants can

be potted in containers of 5 to 30 litres.

These containers are 100% recyclable

and carbon-free. The potting soil used is specially formulated for the company. It

contains starter phosphate for rapid root

formation and sufficient nutrients to keep the plants in good shape for the first 5-6 months.

Most plants are supplied with a root

ball. This can be done in various ways:

Nursery in Finland. Photo: Hanna Tajakka

Still, there is also pride: plant health in

An emerging trend is the increasing

in the world. “We are happy with a strict

from the public sector. This shift is

Norway is considered among the best phytosanitary regime,” emphasizes

Fall. Growers work with environmentally

friendly methods, limit invasive species, and follow strict import regulations to prevent diseases and pests.

An important step towards sustainability is the establishment of Plantinor SA, a cooperative where growers make agreements on production and

distribution. “We are convinced that this is the way forward,” says Fall. “Export is

good for the economy, but when it comes to sustainability, the goal must be to sell

the majority of what you produce in your own country.”

The Norwegian tree and plant industry combines quality, collaboration, and

environmental awareness and sees this as the key to sustainable growth for the future.

Challenges in Finland

In Finland, about 60 nurseries are active with a total area of 271 hectares. Most

nurseries produce several plant groups,

such as fruit plants, shrubs, and trees. The estimated production value is around 40 million euros, providing approximately

demand for native plants, particularly aligned with themes such as biodiversity, nature-based solutions, and the

prevention of invasive species. “Public

opinion is shifting towards more natural gardening practices, which has led hobby gardeners to take a greater

interest in native plants,” says Tajakka.

However, the transition is challenging,

partly due to the lack of suitable seeds and the establishment of sufficient production capacity.

Another bottleneck is the classification of some cultivated plants as invasive species. “Tree nurseries often receive

this information too late, which means

plants already in production cannot be sold anymore. This results in the loss of investments and additional removal

costs,” warns Tajakka. The industry is

therefore looking for better cooperation

decline in housing construction and fewer infrastructure projects, although signs of recovery are now visible.”

The industry is mainly made up of

small family businesses. Company

successions remain difficult: “At best, 1-2

new companies are founded each year,”

says Tajakka. At the same time, there is a growing shortage of young workers. The growers’ association is trying to engage

young people with informational projects and school visits: “We want to encourage students to consider a career in nursery production.”

advantages: less personnel is required for digging up, which leads to shorter delivery times. Plants can be planted

with the box as it is fully biodegradable even the adhesive used is starch-based and completely biodegradable. The box

breaks down within 10 days in the ground and leaves no waste or remnants. The span is even slightly larger than with

round/manual nets, resulting in even

better regrowth. The box is equipped with convenient handles for easier handling during planting. The flat bottom of the

box ensures the plants stand straight in the planting trench.

When it comes to trade with Scandinavia, Wouter Veraart does not see much

change. “If I look at the customers who

place year-round orders, I don’t really see any growth or decline. The assortment that goes there is quite narrow due to winter hardiness.”

thumb as a child. He grew various plants

with sustainability, native species, and

Founder Arnold van den Berg had a green

the nature reserve where the tree nursery was established. De Bloemenkampen

initially supplied to the Dutch market, but

after 2000, when Van den Berg continued on his own, the company also started focusing on exports. Specialising in

conifers in large pots (from 5 litres) was

the next step. With this specialisation, De

Bloemenkampen meets customer needs.

After all, not everyone has the patience to grow the plants themselves. Moving

to a larger location in Nunspeet in 2013

meant a complete transition from field cultivation to pot cultivation.

De Bloemenkampen focuses mainly on quality; the ambition is not to become

the largest nursery in Europe but the best.

This is evident from the use of good and

modern materials and a tidy workplace.

Additionally, the company focuses on

sustainability; by inspiring and retaining their employees for the profession, but also, for example, through MPS certification.

De Bloemenkampen wants to work as

sustainable as possible, says Herco van den Berg. “We are constantly adjusting

to this in several respects: environment, personnel, laws and regulations,

machines, etc. We offer a high-quality and broad assortment, also for the

Scandinavian market. In these countries, it can naturally be very cold, so mostly hardy varieties are sent there. In fact, we send everything from small C5 to

large solitaires to these countries. There continues to be an increasing demand

for conifers & shrubs in these countries.

At the moment, the flatworm is a big

issue they are very focused on, and this is already causing some problems for various companies.”

labour rejuvenation being central themes for the future.

its customers as far as Scandinavia. What

challenges in recent years, such as a

in these cardboard boxes has several

at a crossroads of stability and renewal,

The Finnish tree nursery industry is thus

stable, “but the industry has faced

Taimistoviljelijät, the situation is relatively

supplied in cardboard boxes. Delivering

and workable phase-out process.

with authorities for a more predictable

of the Finnish Growers’ Organisation

According to Hanna Tajakka, director

larger plants (from 200 cm) can also be

De Bloemenkampen specialises in large pot sizes

The basis for good cultivation is a healthy soil and healthy starting material at Liwardi Quick Hedging

500 man-years of employment.

by hand in jute or acrylic, while the

with his nephew, he founded the tree

Liwardi Quick Hedging from Nispen finds attracts its customers to the company?

The KwekerBode spoke with Wouter

Veraart. “The basis for good cultivation is

healthy soil and healthy starting material.

Most of our plant material is propagated and grown in-house. The plant material

De Bloemenkampen

is then planted in the ground for 2 to

4 years. During this period, the plants are regularly pruned and undercut.”

By applying soil measurements, we can fertilise location-specifically.

This maintains the organic content

and soil life. Cultivation tasks such as

undercutting, fertilising, and weeding are performed by GPS-controlled machines

On behalf of trade fair GrootGroenPlus: Frans van Wanrooij, secretary “Scandinavian culture aligns well with Dutch culture - and this applies to both

plants and people. We need to further develop our contacts with Scandinavia. Let’s make this a key focus during GGP 2025.”

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8 Text: Nursery Stock Trade Fair GrootGroenPlus

FUTUREPROOF CULTIVATION IN THE NURSERY STOCK INDUSTRY: ESSENTIAL FOR PEOPLE, ENVIRONMENT AND MARKET The nursery stock industry in the Netherlands is moving fast. Increasingly more growers are focusing on sustainable growing: a way of production that is not only economically viable but also takes into account the environment,

biodiversity, and changing climatic conditions. This approach is crucial because the industry faces major challenges.

Think of stricter environmental regulations, decreasing availability of plant protection products, and a changing climate with more extreme weather conditions.

to remain sustainable, the industry

must continue to invest in knowledge,

collaboration, and innovation. It is time

for this awareness to be widely shared,

both within and outside the industry. An important key lies in strengthening the chain: from grower to end customer.

Only by working together on sustainable solutions can the industry maintain its strong international position

and contribute to a greener living environment.

At the trade fair GrootGroenPlus, held

from 1-3 October in Zundert, this topic

will be a focal point. The KwekersBode already checked in with some of the participants.

Nursery Streng Growers

Sustainable growing means, among

quality, provide cooling in cities, and help

water conservation, integrated pest

Sustainability, being futureproof, is

other things, focusing on soil health, management, and reducing CO

2

emissions. Innovations such as precision farming, biological control agents, and

sustainable energy sources are gaining ground. Growers are also investing

in species that are more resistant to

drought, diseases, and pests, so they are less reliant on chemical products.

The importance of this extends beyond the industry itself. Sustainably grown

trees and plants contribute to a healthy

living environment, urban greening, and climate adaptation. They improve air

retain water during heavy rainfall.

not just about ecology, but also about people. The industry is facing a tight

labour market and an ageing workforce.

This makes making the profession more

attractive, improving working conditions, and providing education crucial.

The tree nursery industry proves that

sustainability and quality can go hand in

hand. By investing in sustainable growing methods now, the industry is building

a resilient future and strengthening its position in the international market.

Sustainable growing is a necessity, and

Streng Action XXL towards visually attractive plants that

Streng Growers - Growing with vision and responsibility

immediately appeal on the shelf and in

In the heart of the tree-growing region of

the garden.”

Boskoop, you will find Streng Growers - a

Relevant throughout the year

sustainability, and future vision come

around continuity and quality,” says

modern nursery where craftsmanship,

together. A wide assortment of climbing plants, fruit plants, garden plants is

grown, and high-quality products are

delivered year-round to garden centres,

other retail forms, wholesalers, and green space providers.

What is the strength of the company?

We asked owner Ronald Streng. strength? A strong

“Our

seasonal offering

“At Streng Growers, everything revolves Ronald. “We provide a wide range of

plants throughout the year that moves with the season and with consumer

demand. In the winter months, we offer,

among other things, Gaultheria ‘Big Berry’ and Picea, also in decorative versions that perfectly match the Christmas

period. This segment is developing and represents an important growth

direction for the coming years. In addition, we are increasingly

and a clear

focusing on visual garden

direction

Rabobank promotes sustainability Rabobank, partner of GrootGroenPlus, feels closely

being taken. It is a shame that often in

and financier. How do they see the developments in this

media - emotion seems to outweigh reason.

involved with the tree nursery industry as an advisor

industry in terms of sustainability and future-proofing?

The KwekersBode spoke about this with René Dekkers,

Account Manager Food & Agri at the Food & Agriteam Kring Zuidwest-Nederland. “Being future-proof is of

the utmost importance for companies. It goes beyond

sustainability,” says René Dekkers. “How do you function

as a company within the frameworks set by society and regulations? We see that the vast majority of growers are doing their best to meet all those demands, and we also see that suppliers are working on it. There’s always room for improvement, but major steps are

being constructive.”

Rabobank places

discussions - and we also see that in the

The consumer often wants a clean product, but

René Dekkers

is that same consumer willing to accept that spot on

great importance on the

sustainability and future-proofing

of businesses and also encourages

that apple, or an imperfection on a plant? Everything

this. René Dekkers mentions, for example, the interest

the price.”

sustainability contribution with a financing request.

has a cost factor, and that will inevitably be reflected in Dekkers sees the activities at the cooperative

association Treeport as a good example. “Treeport

is very active in this area; they are focused on water

quality and achieving as little leaching of chemicals as possible. There is an eye for the problem, and they are addressing it, not digging their heels in the sand, but

rate discount (sustainability discount) and the SME

“The assessment of how the company is working on sustainability and future-proofing is an important

factor in evaluating the financing request. If profitability is under pressure and there are doubts about the

commitment to sustainability and future-proofing, then it’s better not to proceed.”

June 2025

9

Zorn Baumschulen, fruit trees from the tree nursery area of Pinneberg

complemented by ornamental shrubs

the eastern border at a new participant

garden centre customers a wide range

The KwekersBode also took a look across at GrootGroenPlus. Zorn Baumschulen from Tangstedt, in the important

tree nursery area around Pinneberg, was founded in 1981 in Tangstedt by

Zorn Baumschulen

Wiebke and Werner Zorn and moved

plants - species with direct ornamental

and visual presentation, we are building

added value for the consumer. Plants

are more than just green: they tell a story

value, a strong appearance, and clear that stand out and convince.”

From a family business to a modern, growing company

a future-proof company and plants that of craftsmanship, care, and love for the profession.”

Nico and Jolanda Streng, who started

EXPERT CENTRE LIVE, the place where innovation and sustainability meet

1990s, they made the switch to contai-

role with the ‘suppliers’ of the industry.

Streng Growers was founded in 1978 by with open-ground products. In the

ner-grown plants, focusing on climbing plants and fruit crops. With the entry of their son Ronald Streng in 2009, a new

phase of growth began. In 2019, there was an expansion, and the name changed:

Streng Growers B.V. was born - ready for the future.

Ready for the future, that also means focusing on sustainability and futu-

re-proofing? “Responsible growing is a given for us,” is Ronald’s response.

“Sustainability is not a separate theme,

but is an essential part of all our business operations. We are certified according

to MPS-A, MPS-GAP, GRASP, SKAL, and -

for our edible products - also GGN. With this, we meet strict requirements for

safety, traceability, and environmental

care.” What does that mean in practice?

Ronald: “We mainly grow from our own

propagation material and use biological pest control and natural predators. In

addition, we keep the company clean, organised, and hygienic, and use

recycled pots and labels. We also work with a closed water system without

discharge into surface water, and the

solar panels on the roof provide us with mostly our own energy.”

“To be future-proof, we must keep

moving and continue to improve,” says Ronald. “At Streng Growers, we never

stand still. We are constantly looking for ways to optimise our crops - whether it is about resilience, appearance, or logistical efficiency. We follow

developments closely, experiment with

sustainable substrates, and continuously look at how we can make our plants

stronger and more attractive. With our commitment to quality, sustainability,

to a new location in Tangstedt in 2017.

Here, spacious halls and fields are

now available. From the beginning, the

focus was on berry fruit. This range was continuously further developed, so that now wild fruits, pome and stone fruits,

and some specialities such as figs and rhubarb can be offered in the best quality.

They are also responding to the societal

Better ornamental shrubs in garden centre quality complete the assortment

future-proof as possible. We asked

in-house through cuttings, layering,

Sustainability is also playing a significant

need to grow as sustainably and

Marcel Hubers, Technical Manager Ornamentals & Garden Europe &

Sustainability at Syngenta, for his company’s vision. Hubers: “At Syngenta, we consciously

“Our propagation is mainly done

eye grafting, and budding,” says owner Andreas Zorn. “Our shrubs are grown

both in containers and in the ground.

We place a high value on the best quality in

production. Our

make the most

sustainable choices. It

very wide range of fruit is

is an integral part of everything we do. It makes us aware of

and solitaire plants.” Garden centres are important customers of the tree nursery. Andreas Zorn: “We offer our of fruit trees, with a focus on pome

and stone fruits, berries, and wild fruits.

The fruit assortment is complemented with specialities such as figs, rhubarb, kiwis, cornels, pecan nuts, and much

more.” In addition, there is an extensive assortment of ornamental shrubs, with ornamental cherries and ornamental

apples particularly worth mentioning.

Strong qualities are offered in containers of 5-7.5-10 litres, with 80 cm high

ornamental stems as the highlight.

Andreas Zorn: “Our plants are also very

popular as starting material for solitaire planting. By consistently pre-growing

in the ground and regular pruning, we

achieve a constant high quality. In the cultivation and processing of each

individual plant, we find craftmanship

very important. Through a closed water loop, careful and targeted watering,

cultivation in peat-poor substrates, and sustainable use of fertilisers and plant protection products, we consciously produce sustainably.”

“We look optimistically to the future,” says Andreas Zorn. “Plants are the solution

to some of the major problems of our

time. Climate change, fine dust, and the

wellbeing effect will increase the demand for plants in the future.”

our responsibilities and is the driving force behind our visions. Our goal

is to (among other things) reduce the

ecological footprint

of land and horticulture,

Marcel Hubers. Photo: Syngenta

protect crops without impact

on humans, the environment,

and surroundings, and reduce CO2

emissions in land and horticulture.”

Hubers explains that Syngenta’s ambition is summarised in 4 sustainability pillars.

“The first is accelerating innovation,

for growers and the environment. The focus is on biologicals, ICM solutions,

and digital solutions. The second pillar of our sustainability policy is reducing the impact of climate change and

urbanisation, for example. The third

pillar is support through education, best practices, training, and stewardship programmes. The fourth pillar is

achieving more complete solutions:

commercial partnerships, stewardship

programmes with various partners in the industry.”

On behalf of trade fair GrootGroenPlus: Corianne Oudijk, treasurer “Being future-proof goes far beyond just being sustainable. As a sector, we are working hard on this. Let’s once again use the GrootGroenPlus trade fair as a

platform to exchange our thoughts and insights on this topic - and especially on how we can raise awareness of its importance.”

10 ADVERTORIAL

TTS INNOVATES WITH TOTAL SOLUTION FOR PLANT CULTIVATION Rob Tolenaars, owner of Tolenaars Transplanting Services (TTS) based in Rijsbergen, proudly presents the latest

contained within the plug and prevents

development in his company’s growth: Total Transplant Solutions. This expansion of the business marks a shift from

overgrowth into root cloth-plants develop

planting.

trays enable higher planting densities.

solely manufacturing automated planting machines to delivering a complete cultivation system, from seed to field

TEXT: ADDO SPRANGERS

name Total Transplant Solutions, TTS

plugs can be produced from various

“Customers were not only asking for

Agri-plugs, specialised air trays, transport

to supply their own materials. “We don’t

planting machines but also for trays,

plugs, sowing systems, and transport solutions,” says Rob Tolenaars.

“We responded by developing a

comprehensive concept.” Under the

now offers an integrated package of

bins, and planting machines, all designed to work seamlessly together. Tolenaars’

substrate blends, with customers free

dictate changes to the customer; instead, we adapt wherever possible,” explains

motto is: ‘If you want to automate, you

Tolenaars. “If a customer wants to use

what this standardised package offers.”

sleeve.”Agri-plug Agri-plugproduction productionisis paper sleeve.

have to standardise!’ And that is precisely

Agri-plugs

One of the most

innovative products

are the agri-plugs: compressed

plugs encased in biodegradable paper. These

stronger root systems. Moreover, these “With a 30-millimetre plug, we can

accommodate 900 plants per square

metre, compared to just 600 previously,”

Tolenaars notes. “That translates to lower costs per square metre and optimal space utilisation.”

their own mix, we compress it into a

Reuse and refilling of Airtrays

currently handled in-house in Rijsbergen.”

Rijsbergen.

business philosophy. The use of reusable

Reusable Hard Plastic Airtrays

The agri-plugs are used in combination with so-called Airtrays, a technology inspired by practices in the United

States. With smart features such as air and water chambers and a technique

called ‘air pruning - which keeps roots

Sustainability is a key pillar of TTS’s

hard plastic trays is part of a circular

strategy. TTS also offers a tray washing service for a fee, enabling trays to be

cleaned and refilled with plugs. “This is

not only environmentally friendly but also ultimately more economical,” Tolenaars

adds. “With the circular economy gaining traction, this is a logical step.”

From Rijsbergen soil to global growth

juni 2025

11

Internal and external transport solutions

“The reusable air trays can be stacked on Euro pallets after washing and

Step-by-step implementation

with each other. In collaboration with

greenhouse or tray field, we provide a

is its modular design. Each component

the promotion, sales, and advisory

filling,” he continues. “For logistics in the cultivation transport frame. For transport to the field, we offer special transport

boxes capable of carrying up to 9,000 plants in a single load.”

A distinctive feature of this total solution can be purchased, leased, or rented

individually and implemented in phases.

This allows growers to automate

gradually. “Many growers start small,

for example with just the trays or plugs, and then add the rest later,” explains Tolenaars. “This makes automation

financially accessible, avoiding high upfront investments.”

Telermaat - a company focused on services for trays and related products within the tree

nursery sector - this total solution is being made more widely available and even better

tailored to practical needs. Tolenaars’

motto is: “If you want

to automate, you need

Scaling up

To support storage and plug production, Tolenaars has acquired an additional

location, which will become operational

to standardize!” And this

is exactly the standardized package we offer.

in 2026. He believes scaling up is

Total solution

What do we offer?

and international demand. Tree nurseries,

a bold step forward - where innovation,

• Sale/lease/rental of:

together in a total solution that makes

• Hard plastic Airtrays

essential to meet increased domestic

plant growers, floriculturists, vegetable growers in the Netherlands, and even

Christmas tree and pepper producers in the United States are already using the modular system

(www.dutchmantreefarms.com).

Collaboration with Telermaat Transplant Solutions now offers a

comprehensive package of agri-plugs,

specialized air trays, transport bins, and

planting machines that are fully aligned

With Total Transplant Solutions, TTS takes automation, and customer focus come modern cultivation practices more

efficient, sustainable, and user-friendly.

Tolenaars Transplanting Services (TTS) Watermanseweg 1A 4891 SZ Rijsbergen

Tel: +31 6 2432 2585

www.tts-transplanter.com

NOW HIRING! The leading manufacturers of automatic planting machines

• Automated planting machines • Agri-plugs

• Sowing solutions

• Tray transport equipment • Tray washing

• Storage and handling

12 Text: Nursery Stock Trade Fair GrootGroenPlus

FROM TRADITIONAL CULTIVATION TO DATA-DRIVEN INNOVATION: Mabo Boomkwekerijen shows how technology transforms the nursery stock industry The nursery stock industry is in the middle of a digital revolution. Where experience and craftsmanship used to be the

Log & Solve offers growers a

using sensors, drones, and advanced software, makes it possible to make decisions on irrigation, fertilisation, and

cultivation data are collected and

most important pillars, now, data and technology are becoming increasingly more important. Precision agriculture,

crop protection per tree or plot. These developments do not only promise more efficiency, but also a more sustainable cultivation. The KwekersBode decided to look into it: what is currently being developed when it comes to precision agriculture, and where can we see this in practice?

Research program Precision Agriculture 4.0

technology provides in-depth insights

variable application of fertilisers and

plays a leading role in the development

such as pH, organic matter, nutrients, and water retention capacity.

soil conditions. This not only leads to

Wageningen University & Research (WUR) of precision agriculture within the tree

nursery industry. Their research program ‘Precision Agriculture 4.0’ focuses on

integrating advanced technologies such as GPS, sensors, and drones to optimise crop management. This allows growers to make decisions at the plant level,

leading to more efficient use of resources and more sustainable cultivation practices.

WUR expert Corné Kempenaar: “Precision agriculture offers the possibility to

produce more with fewer resources,

which is essential for the sustainable future of agriculture.” By combining traditional knowledge with modern

technology, growers can better respond to the specific needs of their crops and

into soil conditions, including parameters

With over 800 measurement points

per hectare, the scan helps growers

selecting suitable tree species for specific more efficient use of resources but also to a more sustainable and healthier cultivation practice.

plots. Kok explains: “With the INTERRA®

Log & Solve dashboard for substrate

variation, such as macro/micro-nutrients,

soil analysis, Log & Solve focuses

accurately map variations within their Scan, you can accurately map soil

organic matter, and available water.

This gives you all the data you need to optimise soil health in the long term.”

By using this detailed soil data, growers can take targeted measures, such as

While INTERRA® Scan focuses on

on substrate. Log & Solve, originally

developed by Klasmann-Deilmann and since November 2024 owned by 30MHz from Rotterdam, has established itself as a leading digital platform for crop registration and management.

comprehensive dashboard where various analysed. From sensor measurements

to lab analyses and cultivation actions, the platform allows users to monitor

and adjust their cultivation processes

accurately. This data-driven approach

leads to more efficient and sustainable cultivation methods.

Gerard Flinterman, who leads the Log &

Solve team, emphasises how important this is: “It has become clear in recent times that delivery reliability is the

most important value for growers. This means reliable, timely delivery of the

right quality. Using the crop registration

program, users can better manage their cultivation towards delivery reliability.”

Example: Mabo Boomkwekerijen and data-driven cultivation Mabo Boomkwekerijen, located in Randwijk, is a pioneer in precision

farming. Under the leadership of Niels

Mauritz, who runs the company together with his father, technology is used to monitor and improve soil health.

the soil conditions of their plots.

Niels Mauritz emphasises the importance

WUR’s research highlights that the use of

composition. While traditional knowledge

precision techniques, such as soil scans

and sensors, not only increases efficiency but also contributes to the sustainability

of the cultivation. Through accurate data

of soil scans to gain insights into soil

remains valuable, the data supports the

grower’s intuition. “My intuition backed up with data,” he summarises.

analysis, growers can take targeted

Mabo Boomkwekerijen uses sensors, such

schedules or detecting diseases in time,

suction tension of the soil. These data are

actions, such as adjusting irrigation

leading to healthier and more productive crops.

The collaboration between knowledge

as those from Aquafeed, to measure the used to create task maps for spreading

compost and manure, enabling precise and efficient fertilisation.

institutions like WUR and companies

“You need to plan ahead,” notes Niels,

of integrating science and practice.

weeks.

like Syngenta illustrates the power

By jointly investing in research and

as processing the scans takes several

technology, they can help the tree

A concrete example of this approach

sustainable, and future-proof.

based on the scanned soil data. In areas

nursery industry become more efficient,

INTERRA® Scan as a tool for ground cultivation Maurice Kok, crop advisor at Syngenta

is the variable application of compost

with a low organic matter content, more compost was applied to improve soil quality.

Crop Protection, is particularly

“We applied only 20 tons per hectare.

as an essential tool for growers in the

low, we made quite a serious variation,”

enthusiastic about the INTERRA® Scan ornamental horticulture and tree nursery industries. This advanced soil scanning

Where the organic matter content was says Sven van Kalkeren, who works on behalf of Niels Mauritz at Mabo

June 2025

13

Photos: Tree nursery Mabo

to determine which tree species are

Data and technology in the tree nursery: the future vision?

plot, considering factors such as soil

technology in the nursery

Boomkwekerijen.

Additionally, the soil maps are used best suited for specific parts of the heaviness and moisture.

Although the use of drones and

advanced sensors offers potential, Niels acknowledges that the diversity of tree

species in their nursery makes it difficult

The integration of data and stock is not a temporary trend, but a lasting development.

Does this mean there will only

be room for precision farming in the future? Probably not.

to work fully data-driven.

Growers who open

“If you have 150 species, you need

and are willing to invest in

150 sensors to specifically manage

everything with data,” Niels explains.

Nevertheless, he foresees that the role

of data and technology will increase in the future, with the goal of achieving healthier and more sustainable cultivation.

Sven van Kalkeren sees a growing role for precision farming in the future, especially considering the increasingly stringent fertiliser legislation and the need to

manage resources more efficiently.

“Soil is the foundation, I always say. So, you need to do something with it for

those five years, and that’s possible with

precision farming,” he emphasises. “And the possibilities are getting better.”

themselves up to innovation knowledge and resources may have an advantage

when facing the challenges of the future. By cleverly combining traditional

expertise with modern technology, they can

strengthen their business and contribute to a more

sustainable industry. At the

same time, of course, it is not the only way.

This integration of technology into the

nursery stock industry primarily shows

that innovation and sustainability can go hand in hand. Mabo Boomkwekerijen is

an example of how traditional knowledge combined with modern technology

can lead to future-proof and efficient cultivation.

On behalf of trade fair GrootGroenPlus: David Bömer, chairman “The pace at which precision tree cultivation is developing is helping the

frontrunners to drive the entire industry forward. We see this clearly reflected in the participants at GrootGroenPlus.”

ADVERTORIAL

FLORALL, the Belgian trade fair for ornamental plants and nursery products

Beekweg 27 7887 TN Erica M. +31 (0)6 52631987 info@weberstekcultures.com www.weberstekcultures.com

n vakbeurs GrootGroenPlus

On Tuesday, August 26, 2025, Belgian ornamental horticulture and nursery

companies, together with suppliers, will present their latest products during the autumn edition of Florall.

PLANTEN PLANTEN

The trade fair targets an international professional audience and offers a complete

TELEN

ROOIEN

TELEN

ROOIEN

FOLIE FOLIE

overview of the Flemish autumn assortment. Florall is known for its accessible akbeurs vooreasy sierteeltformat: centrally located, to reach, and with ample parking at the exhibition n vakbeurs GrootGroenPlus hall. This allows visitors to efficiently and clearly explore the current range in just ekerijproducten one day.

g 26.08.2025 Florall Awards

Machines voor tuinbouw en boomkwekerij Machines voor tuinbouw en boomkwekerij

As tradition dictates, the FLORALL AWARDS will also be presented. A professional jury awards the most innovative entries with a gold, silver, or bronze award — whether

it’s a new variety, a strong sales concept, or a striking format.

0 uur | plant Waregem Expo | presentation België

Registration required for free entry

Admission is free but exclusively for professional visitors from the ornamental

oor professionelen, registreer online via www.fl orall.be. horticulture sector. Pre-register at www.florall.be for smooth access to the fair.

vakbeurs GrootGroenPlus ekijk het plan op www.florall.be akbeurs voor sierteeltmet overzicht van het volledige assortiment. ekerijproducten of trade fair GrootGroenPlus Partner van vakbeurs GrootGroenPlus ORALL.BE Partner

g 26.08.2025

Watermanseweg2a 2a | | 4891 4891 SZ Watermanseweg SZ Rijsbergen Rijsbergen| Nederland | Nederland T +31 (0)76 596 1220 | E info@basrijs.nl | www.basrijs.nl T +31 (0)76 596 1220 | E info@basrijs.nl | www.basrijs.nl

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Wij zijn op zoek naar: We are looking for: Wij zijn op zoek naar: Loods/administratief

Boomkwekerij

“HET SLAGMOER” v.o.f.

POT AND CONTAINER CULTIVATION

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luyten.nl/werkenbij ADVERTORIAL

New generation takes over:

DE WEI MER - BOOMKWEKERIJ --

SIERHEESTERS & ROZEN

Wernhout tree nursery rebranded as De Weimer

WERNHOUT - As of 1 July, Boomkwekerij Leenaerts-Halters & Zn. will officially be in the hands of Corné Leenaerts and his wife Cindy. This marks the

continuation of the family business by the next generation, located in the

JOB OPENING FULLTIME ALLROUND EMPLOYEE TREE NURSERY

WE GROW FOREST TREES AND HEDGING PLANTS IN OPEN SOIL, FROM SOWING/CUTTING TO 1- AND 2-YEAR OLD PLANTS. ON TOP OF THAT, WE ALSO HAVE ORNAMENTAL SHRUBS AND ROSES IN POT FOR THE VISUAL AND LANDSCAPING MARKETS.

hamlet of De Weimer. Fittingly, the nursery will also adopt a new name: Boomkwekerij De Weimer.

BY ADDO SPRANGERS “The name change underscores the

new phase our company is entering,”

Corné Leenaerts explains. His parents are stepping down after decades of

dedication, although Corné has already been managing the day-to-day

operations for several years. “For us, the takeover feels more like a formal step:

WE OFFER: • SALARY ACCORDING TO THE COLLECTIVE LABOUR AGREEMENT FOR OPEN CULTIVATION • • VARIED WORK •

our course remains consistent, with

continued focus on diversification and

professionalisation. We’ve already been working towards this in earlier years.”

• TRAINING OPPORTUNITIES • • GREAT WORKING ATMOSPHERE •

The nursery combines open soil production-including seedlings and cuttings

under contract-with approximately two Would you like to work with plants, starting at seedlings and cuttings, and watch them grow and blossom?

Call or WhatsApp us for more information:

Corné Leenaerts

+31 (0) 6 138 47 291 | info@deweimer.nl

hectares of pot and container cultivation.

Key products include hydrangeas,

ornamental shrubs, and roses, much of which is destined for the landscaping market and garden centres. “Our

customers are mainly in the Netherlands,

A notable aspect of the takeover is

Corné’s collaboration with his wife Cindy.

“She joined the business two years ago, coming from a completely different

industry. Running the business together

feels empowering and brings us closer as

a company.” For the staff, little will change: the entire team will remain on board.

The takeover thus represents a smooth

generational transition with a strong focus on continuity and the future. 

Belgium, and parts of Germany,” says

Boomkwekerij De Weimer

home market for us.”

Phone +31 (0)6 13847291

Corné. “Belgium has almost become a

Grote Heistraat 22c, 4884 JC Wernhout

16 Text: Nursery Stock Trade Fair GrootGroenPlus

GROWERS MUST ADAPT THEIR ASSORTMENT TO CLIMATE CHANGE Growing is not only for today and tomorrow; a good grower is already thinking about the future. Climate change,

changing consumer demand, and stricter regulations determine which tree species are future-proof. Which species will thrive and which will disappear? Which tree species will dominate in the next 20 years? How can growers prepare for the changing market?

The climate is changing, and it’s

will also have to adapt their range, and

due to all the cables and pipelines being

What will that mean for the assortment

that. The origin will become crucial.

transition, and trees that capture fine

happening faster than we may think.

of trees we are currently growing and planting? De KwekersBode listened to

dendrologist Jaap Smit, green curator

of Trompenburg Gardens & Arboretum in Rotterdam. “Yes, our climate is really changing at a fast pace,” says Smit.

“If you look at the KNMI statistics from

the last 30 years, you can see how fast it has gone. And that has significant consequences. If we look at

it is really high time to get started with So, sending young plants from here to Eastern Europe to be grown there and

then bringing them back is not practical.

Essentially, nothing has changed, the

origin is still from here. The range must be focused on the purpose for which

it is used; beauty is no longer decisive.

Municipalities will plant trees for a period of ten years instead of the half-century of the past. There will be

urban green spaces,

a growing need for

we are now planting

fast-growing trees

trees for a period of

that improve

take that rapid

climate change ‘urban heat’

growing spaces

conclude that we are moving from

a maritime climate

towards a continental

(Quercus cerris), and cedar (Cedrus

atlantica) offer potential. Also, species

from Southern Europe and Asia deserve attention,” says Jaap Smit. A varied,

climate-resistant range strengthens

biodiversity and reduces risks. The right tree in the right place is essential for

the urban and landscape greenery of tomorrow.

beautiful Ochten at the edge of Betuwe,

smaller

we can roughly

oak (Quercus frainetto), Turkey oak

biodiversity, tolerate

into account,

species such as plane tree, Hungarian

can withstand

heat, promote

and increasing

dust. Heat- and drought-resistant

Boomkwekerij De Batterijen Growing is a craft

liveability; that

60-70 years. If we

placed underground for the energy

Boomkwekerij De Batterijen, located in the is an all-round green company with four branches: the nursery, the container

field and the garden centre with web

complete offering from design to support in planting. The tree nursery, covering a

river clay; the ideal location for growing fruit trees. De KwekersBode spoke with

climate, with hot dry

Alberto Stuurbrink of De Batterijen.

“Growing is a craft,” says Alberto, “and

summers and wet winters.

we like to keep it that way.” The fruit trees

That also means that winter hardiness

are grafted, chipped, and budded in the

zones are shifting. As a result, certain

traditional, craft way. The entire growing

native tree species have had their day,

process from rootstock to marketable

especially in urban areas. I would advise

tree is carefully guided by us.

those involved in selecting species for

The nursery specialises in growing native

planting in urban areas and along roads

apple, pear, plum, and cherry trees, as

to broaden their perspective. Choose

well as soft fruits. In addition to modern

climate-resistant and choose from

fruit varieties, we grow many old Dutch

the nearly 1000 different species that

fruit trees. Examples include Brabantse

are grown in our country. Wageningen

Bellefleur, Karmijn de Sonnaville, Ingrid

University & Research (WUR) even

Marie, Kleipeer, Meikers, and Eldense

estimates that 40% of native flora will

Blauwe. “Because we are always looking

be extinct by the end of this century. So,

for new, better, or nostalgic trees and

think of popular native species like beech,

plants, we follow the latest trends

oak, rowan, and birch.”

and tree shapes closely,” says Alberto

This not only has consequences for

Smit: “Growers of standard and park

shop, the cash-and-carry, and the

total of 20 hectares, is located on light

Jaap Smit

planting, but also for the growers. Jaap

Nursery De Batterijen

John de Lepper (L)

Stuurbrink.

Due to climatic developments, you see a shift in the range. Alberto: “Besides

trees, as well as forest and hedge plants,

Many misunderstandings about native and autochthonous Marc Lodders, grower of many autochthonous

here and is therefore native, but not all hawthorn

in the landscapes. The Dutch Tree Species List includes

autochthonous are often misused in many articles.

Balkan countries in a completely different climate

be supplied with a certificate. And so, each country

products, notes that the terms native and

Native does not automatically mean autochthonous, while Dutch autochthonous is always native. A good example is hawthorn. It naturally occurs

is autochthonous. Many seeds are grown from the than what we have here. These plants are definitely not autochthonous and do not fit in our climate in

terms of biodiversity and ecology, but they do appear

those stands that are truly autochthonous and can

has its own species list with the material considered autochthonous there.

June 2025

17

the demand for the existing assortment, there is an increasing demand for

Mediterranean fruit trees and shrubs such as apricot, kaki plants, and

figs.” Alberto Stuurbrink also notes an

increasing demand for sustainably grown plants. “We want to respond to that, but it always depends on the willingness of

buyers to pay the higher price for them.”

The demand for origin is not so much

present with fruit trees but is certainly a factor for forest and hedge plants.

Boomkwekerij John de Lepper, strong in special varieties Located in the beautiful Brabant

Kempen, in the middle of one of the Acht Zaligheden, lies Boomkwekerij John de

Lepper, with about 15 hectares of sandy soil. The broad assortment goes from

shrubs and solitaires to multi-stemmed

Nursery Bogaert

and shaped trees, Magnolia in tree form,

De KwekersBode asked John de Lepper

it’s time to start looking at other species,

assortment. Founded in 1967 by José

special species; lovingly and expertly

“Due to the rapidly changing climate,

conditions we have and will have.

was 15 hectares. In 2001, the company

to heavy park trees, with a focus on

grown by John and Esther de Lepper and their team. Architects, landscapers, and

green space professionals across Europe form the target group for their trade contacts.

for his opinion on growing in the future. we will have to consider that species

that are still planted everywhere now

will disappear. Trees like Quercus, Tilia, and Acer will probably continue to be

part of the assortment,” says John. “But

species that are suitable for the climatic According to the KNMI, all records for dry and wet weather have been broken in

the last 20 years; we had a particularly wet year in 2024, and now it has been

very dry for a long time. There is hardly

any frost anymore. All these conditions

make trees more susceptible to diseases and pests. So, we will need to produce trees that are resistant to that. A good

example of that is Nyssa sylvatica, the

black tupelo tree, originally from North America. Strong and proven cultivars

include Nyssa sylvatica ‘Autumn Burst’

and ‘Big Lady.’ Ensuring good diversity is important.” There is another point that worries him: “The knowledge of plants

is disappearing, not only among buyers but also among suppliers. Something

really needs to be done about that. You

can also see it in the shrinking supply of breeding, seed, and cuttings, and if you

don’t have enough potting material, you

can’t produce enough. There is real work to be done.”

Bogaert, family business with a longstanding tradition

Boomkwekerij Bogaert from Balegem (B) is a family business with a longstanding tradition in growing plants, trees, and shrubs, which are offered in a wide

Bogaert, the area covered at that time was split into Handelskwekerij Bogaert bv (export-import) and Boomkwekerij Bogaert Koen. In 2016, son Laurens

joined the business, and that year the tree nursery De Moor was acquired.

The nursery mainly grows young trees in open ground (sizes 6/8, 8/10, 10/12,

12/14 being the most common sizes in their own assortment) on a total area of approximately 70 hectares. The

assortment consists mainly of deciduous trees, hedge plants, and fruit trees. To

obtain a varied range, the assortment is regularly supplemented with

non-standard species. In addition to the

nursery, the company also has a thriving wholesale business.

De KwekersBode also asked Koen

Bogaert for his view on growing in the

future. “Which trees will dominate in the coming decades? I think forest trees like Alnus, Betula, Carpinus, Sorbus,

Quercus, Tilia, and a few more species,” says Bogaert. He believes that Fagus

will face difficulties. “If you ask how to

respond to the changing market, I think

we in Belgium need to closely look at the

nature organizations,” says Koen Bogaert.

“What they ask for, people believe in, and those are mainly fruit trees and forest trees.”

On behalf of trade fair GrootGroenPlus: Didier Hermans, member of the board “The right tree at the right place. The wide assortment showcased by participants

Nyssa sylvatica ’Autumn Burst’

at GrootGroenPlus always offers a suitable tree or shrub, providing an effective response to climate-related issues.”

18 Text: Nursery Stock Trade Fair GrootGroenPlus

WHY THE ENGINE ROOM IS GOING TO MAKE THE DIFFERENCE The strategic value of mechanisation

The modern tree nursery faces a number of challenges. The availability of labour is decreasing, cost pressures are rising, and market demands are increasing. To make their business future-proof, growers need to organise their processes

more efficiently. Mechanisation plays a key role in this. The machine room, which consists of processing, potting, and

nursery, increasing flexibility. However,

transport lines, is increasingly becoming the heart of the tree nursery.

control remains with the grower, who

Mechanisation makes it possible to

to ensure they are used correctly and

must adjust and monitor the machines

automate a large part of the work.

continue to meet production needs.

However, this requires careful alignment How does the grower ensure they

The human side: the (future) grower as manager and planner

take over a larger portion of the work?

physical work pressure, the human

of technology and business operations.

While mechanisation reduces the

maintain control, even when machines

factor remains essential. The modern

The answer lies in managing the

grower must retain control by acting as

machines well and continually adjusting

a manager and planner. Whereas the

the technology to meet the specific

focus used to be on manual labour, it

needs of the business. Growers who

is now shifting to efficiently managing

develop their own machines, like Leuveld,

machines and processes. This means

can respond more quickly to these

that the grower must increasingly think

changes and thus retain control over

about how technology can be used to

their processes.

keep the business running while ensuring quality and efficiency.

At Leuveld Boomkwekerijen,

At Leuveld Boomkwekerijen, the

mechanisation is used to improve

collaboration between the technical

production processes and reduce labour

department and the nursery

costs. Leuveld has its own mechanisation

staff plays an important role.

company (KOBO), which enables the

The company develops its

nursery to develop machines specifically tailored to their needs. An example of this is the cutting and inserting robot,

which can cut or insert in three rows of

plants simultaneously. The robot reduces work pressure and increases product uniformity.

Ronald Brand, Sales and Office Manager at Leuveld, explains: “Where previously three people would be cutting and

trimming, now only one person operates the machine. This not only makes the

work more efficient but also ensures that

machines in close collaboration with the people who actually

the grower can continue to align with

use the machines. This ensures

the operational needs of their business.”

that the technology stays

HETO: innovations for the tree nursery industry

perfectly aligned with daily

operations, so the grower can

In addition to Leuveld, HETO plays an

not only benefit from efficiency but

also maintain control over quality

important role in the mechanisation of

and production outcomes.

the nursery stock industry. HETO offers

With the increasing mechanisation in

a wide range of machines that can

increase efficiency in nurseries. The machines not only help to increase

productivity but also offer the opportunity to streamline processes, reducing work pressure.

Machines such as the wide potting

fork and tray filling line make potting

and filling trays much faster. The wide

potting fork can place up to 800 to 900

pots simultaneously at equal distances, significantly speeding up the potting process. The tray filling line offers an efficient way to fill trays with potting

soil and create planting holes, largely automating manual labour. These

innovations ease the work pressure,

but the question remains: how does the

grower maintain control over the process when a large part of the work is done by machines?

HETO also offers delivery buffer belts

and refurbished buffer systems, which facilitate the movement of pots and

improve logistical processes in nurseries.

These machines are mobile and can

be used at different locations within the

the nursery stock industry, the question arises about how the future grower will

be prepared. The vocational education

programme ‘Cultivation and Technology: Specialisation in Tree Nursery’ from

Yuverta addresses this development by preparing students for a more strategic

role. The programme focuses not only on the technical aspects of cultivation, crop protection, logistics, and sales, but also

on general subjects like economics, ICT, and career guidance, giving students a

broad foundation for their future career.

In addition, there is a lot of attention

for the use of modern machines and management skills.

Claudia Chi, Director of Yuverta

Lifelong Development (LLO), says: “The

programme is starting for the fourth time now. A new addition this year is that we

offer leadership training at level 4, which

is important for the career progression of employees.”

This approach supports growers in their transition to a role where they are not

June 2025

19

Ruud van der Hulst, owner of HETO Agrotechnics since 2017, talks about the wide potting fork: “Once they’ve seen it, theyLeuveld want to take it straight away.”

Photocredits: Boomkwekerijen

only technically skilled but also able to

industry. Their machines are

increasingly technical environment.

and improve working conditions, with

retain control over their nursery in an

Looking ahead: investments for the future

The question every grower asks

themselves is: what investments are

designed to increase productivity

HETO Mechanical fork RVB

a focus on sustainability and efficiency.

However, it is important that the grower retains control so that the technology can be used optimally.

needed to keep up in the next 5 to 10

The voice of the grower

such as Leuveld’s cutting and inserting

mechanisation is no longer a luxury but

years? The progress in mechanisation, robot and HETO’s machines, shows

that it’s not just about the machines

themselves, but also how these machines can improve work processes. Investing

in advanced machines means investing in a more efficient and sustainable business.

Leuveld has already developed several

machines that are now not only used in their own nursery but are also supplied to other nurseries. This makes the tree nursery less dependent on external

suppliers and helps the industry progress.

HETO is also looking ahead and continues to work on new technologies that can further improve mechanisation in the

Many growers have now realised that

a necessary step to keep their business future-proof. In conversations with

growers who already use mechanisation, such as Leuveld’s and HETO’s machines, it shows that they consider these

HETO spacing fork, partially extended

technologies to be important tools for a more efficient business. “The machines

don’t take over the work, but they make

the work easier and more efficient,” says a grower from Zundert.

The key to success lies in maintaining

control. Growers must not only rely on

the technology but also ensure that they maintain control over the processes

that are essential for the success of their business.

On behalf of trade fair GrootGroenPlus: Chantal van Kuyck, trade fair manager “The annual, well-attended Techniekdag Boomteelt Zundert (technology day

for tree nurseries Zundert) is known for showing innovations and exchanging

knowledge and experiences. Most of the visitors and participants are also GGP participants, with a strong passion for both greenery and technology!”

20 Text: Addo Sprangers

ADVERTORIAL

BUFFER ZONES AT BCT ENHANCE NATURE AND ECONOMIC RETURNS

Multifunctional buffer strip: Fiber crop In Zundert, at the Business Centre Treeport (BCT) site, an innovative test

field is emerging, poised to significantly advance the sustainability of tree

nursery practices. The buffer zone project-initiated by Treeport BCT Partners BV ROOTZ and executed in collaboration with a broad consortium-achieves three key objectives simultaneously: cleaner water, increased biodiversity,

and economic returns for growers. “We are transforming what used to be an expense into a source of revenue,” says Merijn Maas.

Merijn Maas works at VARTA, a company

perception. A half-hectare test site

agricultural residues for beneficial

various tree species, including willow,

involved in researching crops and

compounds, including their potential use

as natural crop protection agents. VARTA is part of the consortium.

Consolidating initiatives

Charl Goossens, Maas’s colleague,

clarifies that the buffer zone project

evolved from several initially separate initiatives. “We received a mandate

from the Brabantse Delta water board

to improve water quality. Concurrently,

our company was searching for locally

grown alternatives for fibres in peat-free compost. Additionally, three students from HAS University, building upon

hosts experimental strips planted with

ditches or rainfall,” Goossens says.

research and planting to processing

poplar, and miscanthus, arranged in

with practice and establish robust,

such integration can the project truly

different combinations, each covering

approximately 100 square metres. “We

Advice

analyse the ditch water quality,” explains

Harvesting fibres from buffer zones-for

comprehensive guidelines within four

Goossens. “This gives us precise insights into the purification capacity of each

planting.” Groundcover plants such as

standard grass, clover, and pollinatorfriendly herb mixes are also included,

aimed not only at reducing nutrient and

pesticide runoff but also at enriching soil

life and insect diversity around nurseries.

buffer zones in the Netherlands could

expansion, adding seven hectares of

three streams converged at the BCT site.”

Research

Buffer zones-mandatory pesticide- and fertiliser-free areas along plots-are

often perceived by growers as financial losses. This project aims to alter that

succeed.”

Economic returns

these strips, collect runoff water, and

Facts

enhance surface water quality. These

evidence-based conclusions.”

and market placement. Only through

measure groundwater before and after

previous US-based research on buffer zones, investigated whether similar

“This allows us to align theory closely

The project is set for significant

new buffer zones featuring various

plant configurations. At the same time,

The economic aspect is crucial.

instance, for sustainable compost-can

generate tangible revenue for growers.

“Admittedly, these fibres might not

match the returns from ornamental conifers,” Maas acknowledges, “but

they certainly offer revenue potential.

Rather than merely representing an

expense, buffer zones become income-

generating assets. Additionally, nurturing functional buffer zones can enhance a

grower’s standing with water authorities,

potentially resulting in greater regulatory flexibility.”

laboratory trials will commence at

Joint effort

at ROOTZ. “Here, we measure the

execute this initiative. ROOTZ hosts

specially equipped testing facilities purification capabilities of individual plants under controlled conditions, eliminating external influences like

Research outcomes will culminate in years, offering applicability beyond the sandy soils of Zundert to other

soil types, including peat soils. Merijn Maas hints at future developments:

“We also aim to investigate purification capacities for contaminants such as

PFAS. However, our immediate priority remains demonstrating the current

efficacy and profitability of buffer zones.”

Through knowledge, collaboration, and innovation, Treeport BCT Partners BV

ROOTZ is paving a sustainable pathway, offering promising prospects for future tree nursery practices.

Several parties have joined forces to

Open Day

the research plots and laboratories.

18 September 2025, the guided tours

“Every stakeholder in the value chain is involved,” Maas explains, “from

During the ROOTZ Open Day on

will include visits to the buffer zone project.