Is there a somewhat safe systemic fungicide for my small crepe myrtle tree that will protect it from powdery mildew?

I have a very small yard with my veggies nearby in pots. I don't want to spray with anything that negates my efforts to grow the veggies organically. I could pour something around the base of the tree and not affect the veggies. I live in coastal southern California.

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Answer by Liz59 (10966)

Well, I think you need to use a spray because your plant is having some kind of fungus disease. Or just use vinegar.

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Answer by Zaka (2315)

The best form of fungicide is lack of moisture. If you trim everything around the tree that will hold moisture that should do the trick.

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Reply by Grace13 (3):
Thank you for your interest in my problem. When the east winds blow out here on the coast, moisture is no problem. However, we are in for 2 months of "May grey" and "June gloom" cloud cover (w/o any rain). So the leaves may need some sort of help. add a comment

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