Nikki
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on June 23, 2011
Sounds like an issue with powdery mildew. Here is an article or two that you may find helpful: https://www.gardeningknowhow.com/problems/get-the-cure-for-powdery-mildew.htm
https://www.gardeningknowhow.com/plant-problems/disease/powdery-mildew-homemade-and-organic-remedies.htm
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