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▶︎ Watch: Powdery Mildew Remedies

image of white mildew on green leaves
A white, powdery substance covering a plant leaf

Powdery mildew is a common plant disease that appears as a white, fuzzy film on plant leaves. It can impact a variety of species, especially herbaceous and ornamental plants, alongside certain vegetables like cucumbers and squash.

In this myth-busting webinar, several home remedies for powdery mildew are evaluated with varying degrees of success.

https://www.youtube.com/watch?v=1XgnxtY5e2M
Presented by: Diana Alfuth and Dr. Brian Hudelson, UW-Madison Extension Horticulture Program
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