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Chempak

FERTILISERS NEW FOR 2026

incredigrow® Season Starter (Was Chempak No.2)

KH1736

KH1730

(15) S

KH1732

(15) S

KB2028

KB2029

A high Nitrogen formula to boost bushiness and growth. Helps prevent fruit drop and premature ripening of immature fruits.

(12) S

200g

174731

£4.99 8

Fertiliser Declaration EC Fertiliser - NPK Fertiliser Blend 12.5-25-25 with micro-nutrients Total Nitrogen (N) 12.5% Nitric Nitrogen (N) 7.6% Ammoniacal Nitrogen (N) 4.9% Phosphorus pentoxide (P2O5) soluble in neutral ammonium citrate 25.0% (10.9%P) and water Phosphorus pentoxide (P2O5) 25.0% (10.9%P) soluble in water Potassium oxide (K2O) 25.0% (20.8%K) soluble in water Boron (B) soluble in water 0.020% Copper (Cu) soluble in water 0.010% Iron (Fe) soluble in water 0.200% Manganese (Mn) soluble in water 0.020% Molybdenum (Mo) soluble in water 0.002% Zinc (Zn) soluble in water 0.050%

soluble

A SUMMER FEED FOR HEATHERS, CONIFERS, OTHER PLANTS AND FOR BUILDING UP VEGETABLES

e feed used by professionals and leading growers. ese feeds give you the satisfaction of producing plants of the highest possible standard. Follow the experts use Chempak Soluble Plant Foods

rough the season feeding:

Chempak No.8 has a lower nitrogen content but extra phosphate and potash, which matures growth and encourages a firm ripe finish to Onions, Leeks and other vegetables. It’s also ideal as a general maintenance feed for established Heathers, Conifers and other plants where lush top-growth is undesirable. Ideal for: Alpines • Bonsai • Cacti • Conifers • Delphiniums • Heathers • Lawns • Orchids • Sweet Peas • Onions • Leeks • Runner Beans

Also contains Magnesium

Professional Tips:

Dissolve 2 level measures of crystals in 5 litres (approx 1 gallon) of water and apply to your plants every 7 to 10 days. Ensure the soil or compost is well moistened.

For more frequent use:

Experts prefer to use dilute feed more o en. Dissolve 1 level measure in 10 litres (aprox 2 gallons) of water and apply at every watering.

KB2038

750g

436898

(12) S

CANS

* For guidance only (average size watering can = 5 litres/1 gallon)

750g

standards of the professional grower and top

horticultural exhibitor. ey are fully soluble AN ORGANIC, GRANULAR means they start to work immediately. FERTILISER ESPECIALLY which FORMULATED FOR ONIONS, SHALLOTS, GARLIC AND LEEKS

LOW LOW NITROGEN NITROGEN FEED FEED soluble Onions are greedy feeders and benefit from a regular source of nourishment. Chempak Organic Onion Fertiliser is specially formulated with essential nutrients, in the correct balance, slowly released throughout the season to give tastier and increased yields of quality onions. Ideal for: Bulb Onions • Shallots • Garlic • Leeks

12.5-25-25

CLIMBERS AND

Total Nitrogen (N) 16.0% Nitric Nitrogen (N) 6.5% Ureic Nitrogen (N) 9.5% Phosphorus pentoxide (P2O5) soluble in neutral ammonium citrate and water 14.0% (6.1%P) Phosphorus pentoxide (P2O5) soluble in water 14.0% (6.1%P) Potassium oxide (K2O) soluble in water 32.0% (26.6%K) Boron (B) soluble in water 0.020% Copper (Cu) soluble in water 0.010% Iron (Fe) soluble in water 0.200% Manganese (Mn) soluble in water 0.020% Molybdenum (Mo) soluble in water 0.002% Zinc (Zn) soluble in water 0.050%

CLEMATIS FEED 16-14-32 soluble

PROMOTES STRONG GROWTH AND AN ABUNDANCE OF FLOWERS, SUITABLE FOR ALL CLIMBING PLANTS, ESPECIALLY CLEMATIS

Climbers & Clematis Feed

e feed used by professionals and leading growers. ese feeds give you the satisfaction of producing plants of the highest possible standard. Follow the experts use Chempak Soluble Plant Foods

Also contains Magnesium oxide 0.035% (0.02%Mg)

Directions for use:

Promotes strong growth and an abundance of flowers, suitable for all climbing plants, especially clematis.

All Chempak Soluble Plant Foods contain seven essential trace elements, far more than fertiliser. ese trace Chempak Organic Onion Fertiliser is also ordinary ideal for allsoluble the other onion family members such as shallots, garlic and elements are all absolutely necessary leeks. Apply 2 scoops, approx 12g (½oz) of granules foraround healthy plant growth. each shallot set, garlic bulb or leek plant.

How to use... 55

* For guidance only

Add two level scoops of Chempak No.8 Low Nitrogen Feed

300

Add five litres of water

TOP QUALITY

EXPERT’S CHOICE BEST IN UK TRIALS

BEST

SETS

750g

STEP 2

(to fill an average-size watering can)

STEP 3

FEED FOR

Apply to plants every 7 to 10 days for strong plant growth

MATURE PLANTS

ROOT professional quality |AND everyday use VEG

CLEMATIS FEED 750g

MEASURING SCOOP INSIDE

Chempak Soluble Plant Foods

are formulated to meet those exacting standards of the professional grower and top horticultural exhibitor. ey are fully soluble which means they start to work immediately.

professional quality | everyday use

CLIMBERS AND

CLEMATIS CLEMATIS FEED FEED soluble

How to use... STEP 1

Add two level scoops of Chempak Climbers and Clematis Feed

More frequent use:

KB2044

383377

300 CANS

750g

300

Makes up to 1500 litres / 300 gallons*

(12) S

CANS

£6.99

* For guidance only (average size watering can = 5 litres/1 gallon)

750g

TOP QUALITY

EXPERT’S CHOICE BEST IN UK TRIALS

BEST

granular

Ideal Soil Once ideal soil pH is achieved it should be monitored regularly to see it is not creeping back, as lime frequently ‘leaches through’ on chalky soils. Apply remedial Sulphur Chips as required. Plant nutrient Sulphur is also an important major plant nutirent. Chempak Sulphur Chips Fertiliser will provide this essential element.

6-5-7 granular

STORAGE & SAFETY • Store in original container in cool, dry conditions away from children & pets • May be harmful if swallowed • Wash hands thoroughly a er use • Fire fighting measures - douse with water

e feed used by professionals and leading growers. ese feeds give you the satisfaction of producing plants of the highest possible standard. Follow the experts - use Chempak Fertilisers

Chempak Organic Onion Fertiliser is Sulphur: specially with essential Easy to use, simply scatter Chempak Sulphurformulated Chips Fertiliser Many ericaceous plants will nutrients. Ideal without for a tasty crop of or will show signs to reduce soil pH for ericaceous (acid loving) plants not grow, onions, shallots, leeks.element deficiencies the need for peat. An important bulb of trace nutrient for all plants.garlic and

Directions for use:

if the soil is not ideal for that plant, the foliage may become How to use: unnaturally yellow in colour. Add to soil or compost and thoroughly mix in. Top dress the Most common ericaceous surface area and work in by hand or fork. For new plants, dig (lime-hating) plants will not Chempak Sulphur Chips in to the top 15-20cm (608in) of soil. grow in limey soils. Chempak Also safe to use on established containerSTEP plants.1 Sulphur Chips Fertiliser will Sprinkle Chempak Onion When to use: gradually reduce lime content Fertiliser around the base to make the soil suitable for Chempak Sulphur Chips Fertiliser can beset used at any time of each when planting those lime-hating plants of the year, but will be most effective in warmer soils. It without the need to add peat. provides a long-term solution to poor soil conditions. For a faster acting, short-term solution, feed badly affected Chempak Sequestered Iron plants with Chempak Sequestered Iron STEP Fertiliser,2until the will provide a short-term Chempak Sulphur has taken effKeep ect. the ground moist at solution until soil conditions all times to encouage a have improved. steady nutrient release

How to use...

TOP QUALITY

BEST IN UK TRIALS

BEST

FEED FOR

BIGGER

HEALTHIER ONIONS, LEEKS & GARLIC

Use 135g sq m (4oz sq yd). is will reduce the soil’s pH (increase acidity) by approximately 0.5 to 1 unit on STEP 3 the pH scale. It is advisable to wait until theOne soil warms to see the application effectiveness of this application. lasts all season! If the desired pH is not realised more sulphur will be needed.

(to fill an average-size watering can)

FEED FOR THE

750g

How to use... STEP 1

Sprinkle Sulphur Chips uniformly over the surface of soil or mix into compost

STEP 2

Work into the soil/ compost by hand or fork

TOP QUALITY

EXPERT’S CHOICE BEST IN UK TRIALS

MEASURING SCOOP INSIDE

ALSO AVAILABLE FROM CHEMPAK CHEMPAK CALCIUM Boosts crop growth, helps prevent disorders CHEMPAK MAGNESIUM Greens up plants and improves nutrient uptake CHEMPAK SEQUESTERED IRON Treats chlorosis in plants (incl ericaceous plants)

BEST

SOIL

TREATMENT FOR ACID LOVING PLANTS

750g

MEASURING SCOOP INSIDE

Sulphur Chips Fertiliser

KB2048

KB2041

An organic, granular fertiliser especially formulated for onions, shallots, garlic and leeks.

174600

Provides ericaceous (acid loving) plants with the ideal soil for healthy growth.

750g

(12) S

750g

674532 SEQUESTERED (12)IRON S

£6.99

professional quality | everyday use

granular

£6.99

Major Trace Element for Plant Health

professional quality | everyday use

SEQUESTERED

IRON FERTILISER

Magnesium oxide (MgO) soluble in water

WITH MAGNESIUM AND MANGANESE

Sequestered Iron Fertiliser e feed used by professionals and leading growers. ese feeds give you the satisfaction of producing plants of the highest possible standard. Follow the experts - use Chempak Fertilisers

A quick acting tonic for acid loving plants in easy to scatter granules. Prevents and corrects chlorosis. Chempak Iron is recommended for azaleas, camellias, conifers, heathers, magnolias, rhododendrons and all ericaceous plants. Also use on plants showing symptoms of iron deficiency e.g. alpines, bonsai, fruiting plants, hydrangeas, fruit trees, roses, pot plants or container grown plants.

Iron Chlorosis (Yellowing):

is problem is usually induced by high pH or limey soils. Chempak Sequestered Iron is a fast, effective method of preventing and correcting leaf chlorosis. A more permanent solution to lowering the pH is the use of an acidifying agent. Chempak Sulphur Chips are ideal for this purpose.

KB2040

674549

250g

professional quality | everyday use 2.0% 0.8% 1.2%

10.0% (6.0%Mg)

Manganese (Mn) soluble in water

A QUICK ACTING TONIC FOR ACID LOVING PLANTS IN EASY TO SCATTER GRANULES. PREVENTS AND CORRECTS CHLOROSIS

Directions for use:

Fertiliser Declaration EC Fertiliser Sequestered Iron Analysis

Total Iron (Fe) soluble in water Chelated by EDDHA Chelated by DPTA

Rate of use:

Apply to plants every 7 to 10 days for strong plant growth

HEALTHIEST

Organic Onion Fertiliser

How to use:

granular

Chempak Sulphur Chips Fertiliser is a major trace element feed, giving ericaceous plants the ideal soil conditions for healthy growth by reducing the soil pH.

Chempak Products Poplar Lane, Ipswich, Suffolk IP8 3BU Tel: +44 (0) 844 573 1818 www.thompson-morgan.com

MEASURING SCOOP INSIDE Major750g Trace Element for Plant Health

Chempak Fertilisers

are formulated to meet those exacting standards of the professional grower and top horticultural exhibitor. e granules are easy to handle and release a steady flow of nutrients.

SULPHUR SULPHUR CHIPS CHIPS FERTILISER FERTILISER granular

WARNING. Flammable solid. Causes skin irritation. Keep out of reach of children. Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. Wash face, hands and any exposed skin thoroughly a er handling. Wear protective gloves. IF ON SKIN: Wash with plenty of soap and water. If skin irritation occurs: Seek medical advice/attention.

Rate of use:

EXPERT’S CHOICE

Apply at any time of year, although spring is best. Apply uniformly over the root area. Water in or wait for rain to activate the granules.

STEP 2

Add five litres of water

STEP 3

TALLEST CLIMBING PLANTS

ONION

FERTILISER

granular

For weekly feeding dissolve 2 level measures of crystals in 5 litres (1 gallon) of water. Feed every 7 to 10 days ensuring the soil or compost has been thoroughly wet by the solution.

A weekly feed can be applied by spraying the foliage with 1 level measure of crystals diluted in 1 litre (1.76 pints) of water. Avoid spraying in bright sunlight.

Soil pH is is a measure of soil acidity or alkalinity. Neutral soil condition has a pH value of 7; acid soils are lower than this; alkaline (limey) soils have a higher reading. Soil pH is easily tested with simple kits available in most garden centres.

granular

professional quality | everyday use

CLIMBERS AND

All Chempak Soluble Plant Foods contain seven essential trace elements, far more than ordinary soluble fertiliser. ese trace elements are all absolutely necessary for healthy plant growth.

Experts use a dilute feed whenever plants are irrigated. if you wish to carry out the same procedure dissolve 1 level measure in 10 litres (2 gallons) of water and keep your plants damp with this feed at all times during the growing season.

CHEMPAK Sulphur Chips Fertiliser

FERTILISER ORGANIC

FERTILISER

STORAGE & SAFETY • Store in original container in cool, dry conditions away from children & pets • May be harmful if swallowed • Wash hands a er use

Chempak Products Poplar Lane, Ipswich, Suffolk IP8 3BU Tel: +44 (0) 844 573 1818 www.thompson-morgan.com

PROVIDES ERICACEOUS (ACID LOVING) PLANTS WITH THE IDEAL SOIL FOR HEALTHY GROWTH

16-14-32 soluble

Normal strength use:

Foliar feeding:

ONION

Other crops:

STORAGE & SAFETY • Store in original container in cool, dry conditions away from children & pets • May be harmful if swallowed • Wash hands a er use

Chempak Climbers and Clematis Feed is excellent for clematis and can also be used on honeysuckles, campsis, jasmine and other climbing plants. It’s also an ideal feed for hanging baskets, bedding plants, fruit and vegetables, houseplants, ornamental trees, begonias, gladioli, fuchsias and geraniums.

4.0% (2.4Mg)

soluble

professional quality | everyday use

3.0% (1.3%P) 7.0% (5.8%K)

Magnesium oxide (MgO)

soluble

How to use:

Makes up to 1500 litres = 300 cans Fertiliser Declaration EC Fertiliser - NPK Fertiliser Blend 16-14-32 with micro-nutrients

Phosphorus pentoxide (P2O5) soluble in water Potassium oxide (K2O) soluble in water

Major Trace Element for Plant Health are formulated to meet those exacting standards of the professional grower and top horticultural exhibitor. e granules are easy to handle and release a steady flow of nutrients.

professional quality | everyday use

ORGANIC SULPHUR CHIPS

For all onion sets grown direct outdoors, whether from an autumn or spring planting Sprinkle 2 scoops, approx 12g (½oz) of granules around the base of each set at the time of planting out. Keep the ground moist at all times for effective steady release of fertiliser.

CANS

Chempak Products Poplar Lane, Ipswich, Suffolk IP8 3BU Tel: +44 (0) 844 573 1818 www.thompson-morgan.com

6.0% 6.0%

e feed used by professionals and leading growers. ese feeds give you the satisfaction of producing plants of the highest possible standard. Follow the experts - use Chempak Fertilisers

Directions for use:

750g is sufficient for a 5.5m (18ft) * row of onions (approx 55 sets) STEP 1

£6.99 300

Makes up to 1500 litres / 300 gallons*

Total Nitrogen (N) Organic Nitrogen (N)

professional quality | everyday use

granular

Chempak Fertilisers

professional quality | everyday use

Phosphorus pentoxide (P2O5) soluble in neutral 5.0% (2.2%P) ammonium citrate and water

Soluble Plant Foods granular Chempak are formulated to meet those exacting

STORAGE & SAFETY • Store in original container in cool, dry conditions away from children & pets • May be harmful if swallowed • Wash hands a er use

Onions & Leeks: For these and other vegetables like Carrots, Parsnips and Celery, use weekly from July onwards. Lawns: For an autumn lawn feed dissolve 114g (4oz) in 10 litres (approx 2 gallons) of water and apply to 13.5sq m (16 sq yd) from August onwards. Roses, Trees and Shrubs: A er dormancy, feed 2 or 3 times to encourage early growth. Change to Chempak No.4 for main feed. Ericaceous Plants: Use on any established lime-hating plants like Azalea, Rhododendron and Camellia. e trace elements will help prevent and cure chlorosis (yellowing of leaves).

Best feed for mature plants, heathers, conifers and root veg, due to a lower nitrogen content. Normal strength use:

Fertiliser Declaration EC Fertiliser - NPK Fertiliser Blend 6-5-7 + 4 MgO

professional quality | everyday use

FERTILISER 6-5-7

professional quality | everyday use

200g

174698SULPHUR (12) CHIPS S £4.99

Sufficient for approx 55 sets

LOW NITROGEN FEED

ONION Makes up to 1500 litres = 300ORGANIC cans

LOW NITROGEN FEED 12.5-25-25

Low Nitrogen Feed (Was Chempak No.8)

8 £4.99

(12) S

professional quality | everyday use

KB2027

£4.99

granular

£9.99

The perfect feed for Cactus and Succulents growing in small containers, often in artificial light conditions.

200g

174681ONION FERTILISER (12) S

(15) S

Cactus & Succulent Feed

A high phosphate feed with micro nutrients, specially formulated for Bonsai. Ideal for plants growing in small containers and artificial light. KB2026

500g

125917

£9.99

professional quality | everyday use

soluble

professional quality | everyday use

KH1734

(15) S

Bonsai Tree Fertiliser

A balanced formula for natural sustained winter activity, including fruit ripening. Helps prevent leaf fall and leaf discolouration.

200g

Promotes rapid uptake of calcium and nitrogen for improved growth (15.5-0-0) and is a major trace element feed, boosting crop growth and preventing plant disorders.

500g

125915

£9.99

Citrus Tree Winter Feed

incredigrow® Nourish & Nurture (Was Chempak Calcium)

A high potash formula (15-15-30) the fruit and flower maker. The perfect summer feed for tomatoes, soft fruit, bedding plants, baskets and containers.

500g

125914

£9.99

Citrus Tree Summer Feed

174725

incredigrow® Bigger & Better (Was Chempak No.4)

A fully balanced (20-20-20) multipurpose formula with multiple uses around the garden, also suitable for lime-hating plants like azaleas and rhododendrons.

500g

125918

NEW FOR 2026

incredigrow® All Round (Was Chempak No.3)

A high nitrogen formula (25-15-15) for strong leaf and stem growth. Perfect for early season feeding and for getting plants off to a strong start. Ideal for leafy plants and vegetables.

VIEW ALL

3.0%

• An Iron Chelate with magnesium and manganese on a clay mineral • Trace element boost for all plants • Easy to use, just sprinkle the granules • For correction and prevention of foliage yellowing

STORAGE & SAFETY • Store in original container in cool, dry conditions away from children & pets • May be harmful if swallowed • Wash hands thoroughly a er use

Repeat applications:

WITH MAGNESIUM AND MANGANESE

granular

SEQUESTERED

WITH MAGNESIUM AND MANGANESE

granular

Chempak Sequestered Iron Fertiliser is a major trace element feed, boosting plant growth and preventing chlorosis (yellowing of the foliage).

How to use...

IF ON SKIN: Wash with plenty of water. Dispose of contents/container in accordance with national regulations.

STEP 1

Sprinkle Chempak Sequestered Iron Fertiliser uniformly over the root area

STEP 2

Water in or wait for rainfall to activate the granules

£6.99

One application per year is usually adequate to prevent chlorosis. If symptoms persist (usually on limey soils) repeat at monthly intervals until the problem is cured.

Major Trace Element for Plant Health

Chempak Fertilisers

are formulated to meet those exacting standards of the professional grower and top horticultural exhibitor. e granules are easy to handle and release a steady flow of nutrients.

IRON IRON FERTILISER FERTILISER

DANGER. Contains Manganese Sulphate. Causes serious eye damage. Harmful to aquatic life with long lasting effects. Wear protective gloves/eye protection. Wash hands thoroughly a er handling. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTRE or doctor/physician.

e following is a general guide and should be adjusted according to the size of plants, degree of iron deficiency and extent of yellowing. General rate: Sprinkle 20g per sq m (½oz per sq yd) over the root area. Use double for larger and older plants. Pots and containers: Use the measure and apply as follows: Up to 30cm (12in) diameter pot ½ scoop 30-45cm (12-18in) diameter pot 1 scoop 60-90cm (24-36in) diameter pot 2 scoops

(12) S

SEQUESTERED

250g

TOP QUALITY

EXPERT’S CHOICE BEST IN UK TRIALS

ALSO AVAILABLE FROM CHEMPAK CHEMPAK CALCIUM Boosts crop growth, helps prevent disorders CHEMPAK MAGNESIUM Greens up plants and improves nutrient uptake CHEMPAK SULPHUR Reduces soil pH for ericaceous plants

FAST ACTING

TONIC

FOR ACID LOVING PLANTS

250g

MEASURING SCOOP INSIDE