Peonies forum: Deadheading peonies

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Name: Carol Sandt
Lancaster County, Pennsylvania (Zone 6b)
Peonies Butterflies Region: Mid-Atlantic Hibiscus Daylilies Xeriscape
Hostas Roses Celebrating Gardening: 2015
Jun 7, 2016 12:10 PM CST
When deadheading peonies, is it best to treat the spent blooms like end-of-season foliage (i.e., discard them in in the trash), or is it OK to leave them under the plant?
Carol Sandt

"Experience is the name we give to our mistakes.” - Oscar Wilde
Name: Jerry
Salem, IL
Charter ATP Member
Jun 8, 2016 12:54 PM CST
Generally speaking, it is always best to discard any material trimmed from a plant. Area sanitation helps to prevent various types of diseases.
Name: Frank Richards
Clinton, Michigan

Garden Ideas: Master Level Celebrating Gardening: 2015 Plant Identifier
Jun 9, 2016 5:52 PM CST
I have done both. I have not noticed any difference. Those damn peonies just come back year after year.
Name: Karen
Southeast PA (Zone 6b)
Celebrating Gardening: 2015
Jun 9, 2016 9:02 PM CST
With the rain that we have had this year in PA, I have seen black spores on my peony buds. No botrytis yet but I would not chance it. I would just discard the spent blooms in the trash to prevent any fungal problems brewing in the soil or anywhere else. Some peonies are very susceptible to fungal problems esp. tree peonies.
Name: Tracey
Wisconsin (Zone 5a)
Forum moderator Hybridizer Tomato Heads Pollen collector Hosted a Not-A-Raffle-Raffle Cat Lover
I was one of the first 300 contributors to the plant database! Plant Database Moderator Charter ATP Member Garden Photography Seed Starter Region: Wisconsin
Jun 10, 2016 9:19 PM CST


Knock on wood, but I have never had any fungal problems on any of my tree peonies, ever. Herbaceous ones have been affected from time to time but never the woody peonies/ tree peonies.

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