
Nikki
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on June 12, 2012
It sounds like you may have powdery mildew. This article will help you:
https://www.gardeningknowhow.com/plant-problems/disease/get-the-cure-for-powdery-mildew.htm
Try neem oil. Very effective and not harmful to people or animals. Here is more information: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm
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