How to divide perennials in spring
- Spring is the preferred time to divide many perennials, as stated by Don Kinzler, horticulturist with North Dakota State University Extension.
- Perennials such as Monarda and Delphinium should be divided every two to three years to promote growth.
- Dividing perennials too late can disrupt the plant and cause transplant shock, as warned by Don Kinzler.
- Late April is an ideal time to divide perennials that thrive in spring, ensuring they stay healthy during their growing season.
16 Articles
16 Articles

How to divide perennials in spring
Do you know why the flower went to the dentist? It needed a root canal. Flowers don’t need dentists, of course, but humans do come in handy for other flower tasks. For example, most perennials thrive from being dug and divided occasionally, and spring is the preferred time for many types. How do you know if perennials need dividing? If the center of the clump is bare and all the healthy growth is around the outer perimeter, the plant benefits fr…
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