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Peonies #868536

Asked May 15, 2024, 12:13 PM EDT

I have something plaguing my peony. Can you help?

Clackamas County Oregon

Expert Response

Thank you for your question, Aerin.  I believe your plant has the following fungus:  https://pnwhandbooks.org/plantdisease/host-disease/peony-paeonia-spp-leaf-blotch

If this is the disease, there are no fungicides available to homeowners.  I suggest that you submit leaf samples to the OSU Plant Clinic for diagnosis:  https://bpp.oregonstate.edu/how-submit-plant-materials

Good luck!
An Ask Extension Expert Replied May 15, 2024, 4:59 PM EDT

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