If you don’t cut back peonies, the old foliage will become unsightly over winter and into spring, but they should still flower the following year. This can result in heavy flower heads that can be harmful to your plants. To avoid this, cut back peonies after the season’s first hard frost or after the foliage turns yellow. Wait until the leaves absorb full sun throughout the summer before pruning. Tree peonies should not be cut back to the ground yearly but can be pruned for health and shape after blooming is finished.
If you forget to cut back your peonies too early, it’s important to look for the leaves when it comes to cutting back peonies. Knowing when to cut back both the flowers and the foliage will help maintain a healthy plant and encourage the next season’s blooms. Mastering the art of fall pruning can prevent common issues and promote robust growth for the next spring.
Leaving peonies’ dead foliage intact all through fall and winter makes the plant more susceptible to pests and diseases. If you don’t cut back the blooms, even all the flowers, make sure you leave the foliage until late fall before cutting back. Chinese peonies remain woody through the winter and don’t need to be cut back, as the flowers will bloom off the woody stems.
If you don’t cut back herbaceous peonies in winter, diseases like botrytis blight can overwinter in the garden. By understanding the right techniques and timing for fall pruning, you can set the foundation for stunning peony displays.
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