Zucchini Plants
Q.

powdery mildew on zucchini plants

Zone Cape Cod Massachusetts | capejoanie added on May 1, 2015 | Answered

Is there something I can add to the soil to prevent the powdery mildew from attacking my vegetables? I have been unable to grow zucchini for the past few years because all of the plants have been stricken with the white chalky coating...killing them off.

A.
A.Answers to this queston: Add Answer
shelley
Certified GKH Gardening Expert
Answered on May 1, 2015

Powdery mildew is not soil borne so treating your soil will not prevent powdery mildew. Powdery mildew needs living plant tissue to grow on. The best treatment for powdery mildew is stay proactive by working to prevent the conditions on your plants that foster powdery mildew.

The following articles will discuss what these conditions and what corrective actions to take:

https://www.gardeningknowhow.com/plant-problems/disease/get-the-cure-for-powdery-mildew.htm
https://www.gardeningknowhow.com/plant-problems/disease/powdery-mildew-homemade-and-organic-remedies.htm
https://www.gardeningknowhow.com/edible/vegetables/zucchini/solutions-for-common-problems-growing-zucchini.htm

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