Cucurbit with powdery mildew. Photo: Vegetable Crop Hotline.
News
June 21, 2021
Roots, Shoots, Fruits & Flowers:
Peggy, a beekeeper, shared this concern by email, “I have pumpkins, squash, and cucumber plants that have leaves covered in white powdery stuff. What can we spray on them that is bee friendly?” Peggy probably has powdery mildew, and the vegetables she listed are in the cucurbit family.