Q.I Have A 10 Year Old Fern Leaf Peony That Seems To Be Smaller Each Year.
It gets all day sun. I do have other perennials with a foot of it and is about 5 ft from a weeping cherry.
GKH_Susan
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on May 16, 2023
It is possible there is a lot of competition for water and nutrients and the peony is losing out. I would move the nearby perennials elsewhere to give the peony plenty of room to thrive. Planting close together can promote fungal diseases as well.
https://www.gardeningknowhow.com/ornamental/flowers/peony/growing-fernleaf-peonies.htm
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