Knowledgebase

What on earth happened to this healthy peony #347336

Asked July 27, 2016, 5:08 PM EDT

This peony bloomed beautifully and in the last two weeks suddenly I have noticed the strange color of the leaves on about half the bush.

Freeborn County Minnesota

Expert Response

There are several diseases that affect peonies. I can't tell which one is affecting your plant from a photo but a sample can be sent to the plant disease clinic.
https://pdc.umn.edu/
These resources are useful for figuring out what is wrong with your plant.
http://www.extension.umn.edu/garden/diagnose/plant/annualperennial/peony/leavesspots.html
http://www.extension.umn.edu/garden/yard-garden/flowers/diseases-of-peony/
http://extension.psu.edu/pests/plant-diseases/all-fact-sheets/peony-diseases

Evelyn Locke, MN Master Gardener, Tree Care Advisor, Volunteer Replied July 27, 2016, 8:47 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.

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