Peony Plant

peony has white fungus on leaves

Zone 3 or 4 | gwenlp added on June 20, 2012 | Answered

I read your article about how to treat this fungus, but I am wondering if treatment is necessary. Once the plants die for the season, will the fungus also be destroyed? So next spring, would I have a fungus-free plant?

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Certified GKH Gardening Expert
Answered on June 21, 2012

The fungi can actually overwinter on plant debris, so it is best to go ahead and get rid of the fungal disease now to prevent future outbreaks.

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