TAKE ONE
Gardener News
Proudly Serving the Agricultural, Gardening, Landscaping & Nursery Communities
August 2021
GARDENERNEWS.COM
TAKE ONE No. 220
Does Your Vinca Flower Look Like This?
Tom Castronovo/Photo
As I drove around the great Garden State delivering the July Gardener News, I noticed annual vinca flower leaves turning yellow in quite a few counties. Annual vinca flowers are a popular Several thoughts came to mind. The first thought was they were choice for corporate and home planted way too early in the spring. landscapes in hot, sunny locations. Vinca plants perform best in warm Unlike perennial vinca, which prefers weather and don’t tolerate chilly weather. shade, annual vincas bloom only one season. I’ve always been told to hold off planting
By Tom Castronovo Executive Editor/Publisher Gardener News
vinca until early summer when the days are consistently warm. Vinca plants also perform best in dry weather. This spring and early summer, we had a large range of environmental factors in the landscape. Vinca plants are hardy and tolerant of a wide range of growing conditions. I know it is important that their planting site is well drained. Soil that is excessively moist
may cause a yellowing vinca plant. While a yellowing vinca plant does not necessarily indicate disease, it is possible. After seeing multiple locations with the same yellowing, I thought I should reach out to a few of my greenhouse grower friends for some consultation. The first grower told me that vincas don’t grow well in (Cont. on Page 10)