Itohs can be deadheaded as needed throughout the spring and summer. In autumn, cut back Itoh peoniesto about 4-6 inches up from the soil level. Like herbaceous peonies, Itoh peonies will come back in spring from the ground. In fall, you can also divide Itoh peonies just as you would divide herbaceouspeonies.Oct 31, 2016
Tree Peony – Learn to prune. Never cut to the bottom.
This is my tree peony age is 25 years old. Yes twenty-five years old!