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Katharine from Santa Ana writes

Will Fung-onil Multi Purpose Fungicide Concentrate remove the existing powdery mildew from begonias?


Fung-onil Multi Purpose Fungicide Concentrate is not labeled to treat for powdery mildew on begonias, only leaf spots and foliar blights.  Neem Oil appears to be a good option.

Answer last updated on: 03/31/2018

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