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White Fungus? #869315

Asked May 20, 2024, 4:07 PM EDT

I have a white substance growing on leaves of my shrub. I'll upload 2 pics. How can I treat it? Thank you.

Rice County Minnesota

Expert Response

It looks like powdery mildew.
https://extension.umn.edu/plant-diseases/powdery-mildew-trees-and-shrubs
https://www.gardendesign.com/how-to/powdery-mildew.html

Evelyn Locke, MN Master Gardener, Tree Care Advisor, Volunteer Replied May 20, 2024, 8:05 PM EDT

This work is supported in part by New Technologies for Ag Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

White Fungus? #869315

Expert Response

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