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White and Black currant plants #872351
Asked June 10, 2024, 7:42 AM EDT
Hennepin County Minnesota
Expert Response
Good Morning Michael,
Thank you for contacting the U of M Extension Service.
Please click on the following link from the U of M Extension Yard and Garden website:
It sounds like your plants have powdery mildew. If you scroll down on the information, it discusses diseases and powdery mildew. It is not surprising with the cool, wet weather we've had lately. Good air circulation is important.
Here is another link about powdery mildew in the garden: https://extension.umn.edu/plant-diseases/powdery-mildew-flower-garden
The above information discusses the possible use of fungicides.
Good Luck!