Jun 18, Herbaceous peonies are tender-stemmed plants that die back naturally in fall and regrow again in spring.
Cutting back the dead stems to the ground in the fall helps prevent insects and diseases and makes the garden look tidy. Sep 09, Cut back peonies once the plant starts to yellow or turn brown. This usually occurs in early fall or after the first frost, sometime in late September or the beginning of October.
Cutting peonies in autumn removes any lingering foliar diseases and reduces the risk of infection the following bushleaning.buzzted Reading Time: 6 mins. Oct 17, To prevent it, cut back and destroy peony stems in fall and treat shoots with an organic fungicide like sulfur in spring, before the disease strikes.” Perennials for Every Purpose: Choose the Right Plants for Your Conditions, Your Garden, and Your Taste (A Estimated Reading Time: 6 mins.
Oct 07, Early fall or after the first frost is the ideal time to cut back the plants. Cutting peonies in the fall helps remove foliar diseases and reduce infection next year.
Simply cut all the growth off Estimated Reading Time: 3 mins. Aug 10, Make sure you leave the foliage until late fall before you cut that back.
I cut as many blooms as I want and bring them inside. I also cut off all"spent" blooms that I left on the plant to tidy it up when they look old. In the Fall I cut the foliage of my herbaceous peonies back to about 4.