What Type Of Peony Is This?

Question

When should I prune it, and how low to the ground?

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Answer 1

Since it has only one row of petals, I would say it's a single peony or species peony. After the first frost, you can cut the foliage back to the ground. Here are care tips:

http://www.peonies.org/flower_types.html

https://hgic.clemson.edu/factsheet/peonies/

https://www.gardeningknowhow.com/ornamental/flowers/peony/peony-care.htm