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How do you treat fungus on a gerbera daisy? #929157

Asked April 21, 2026, 6:40 PM EDT

Will neem oil save this gerbera daisy!

Anoka County Minnesota

Expert Response

Neem oil can reduce the infection but it can’t cure the infection. The fungus enters the leaf tissue and is shielded from fungicides.
Bicarbonate of soda or milk has also been tested and can reduce the infection.
https://www.thespruce.com/powdery-mildew-1402500

Evelyn Locke, MN Master Gardener, Tree Care Advisor, Volunteer Replied April 21, 2026, 7:58 PM EDT

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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.

How do you treat fungus on a gerbera daisy? #929157

Expert Response

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