Does Neem Oil Stop Powdery Mildew

Neem oil can be used to prevent powdery mildew, if the disease has been a problem in the garden during previous seasons. Neem is an effective control, if applied at the first symptoms, such as small white spots forming on leaves. This natural fungicide acts by killing the powdery mildew spores on leaves.

How do you use neem oil for powdery mildew?

Spraying with neem is an easy, immediate, non-toxic solution for dealing with powdery mildew on a large number of plants. There is minimal damage to open blossoms (a few varieties appear more sensitive), and leaves will look shiny and clean. We spray with 100% pure neem oil, at a rate of 1 tsp. per quart of water.

Is neem oil for powdery mildew?

Believe it or not, neem oil is an effective fungicide and can work wonders against powdery mildew and other infections.