Hello Denise! The best time to disentangle your peonies is in the fall, after they have bloomed and have stored enough energy for next year. You are essentially transplanting them, here is our full guide to that process. If you want to get ahead of the grass this spring, you can do it when they first come up, but you may not have as vigorous a bloom. https://www.almanac.com/when-and-how-transplant-peonies
Hello Denise! The best time to disentangle your peonies is in the fall, after they have bloomed and have stored enough energy for next year. You are essentially transplanting them, here is our full guide to that process. If you want to get ahead of the grass this spring, you can do it when they first come up, but you may not have as vigorous a bloom. https://www.almanac.com/when-and-how-transplant-peonies
—The Editors