Q.Powdery Mildew Azaleas
Which is the best fungicide to treat powdery mildew on my azaleas?

Nikki
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on June 1, 2011
I like neem oil. It is both a fungicide and a pesticide and so will clear up the fungus and deal with any bad bugs that may be lurking about as well. Here is more info: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm
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