What to do about black areas on peonies? - Cooperative Extension: Garden and Yard - University of Maine Cooperative Extension

Question: In September 2021, I transplanted peony plants to a bed on the west side of our new home. They all came up, a couple even had flowers, but as time went on black areas (not spots) were seen on many of the plants. Unfortunately, I did not take a picture. I cut them down read more