Q: How do I prepare my peonies for winter?

A: Cut down the foliage and remove it from the bed.

As a rule of thumb, it's time to cut down the foliage anytime after the first hard frost or by the end of October in warmer areas. It's also a good idea to remove the foliage from the peony area as it can harbour fungal pathogens such as botrytis that can attack peonies in cold wet weather.
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