Nikki
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on May 2, 2011
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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