root division

noun

1. the act or process of reproducing plants by a division of roots or crowns.

Example Sentences

So not only can Russian tarragon thrive in adverse conditions, but it can also be grown from seed—French tarragon rarely produces viable seeds, so new plants have to be propagated by root division or stem cuttings.

From Salon

Root Division, a San Francisco arts non-profit, raised more than $5,000 to fund its Youth Education After-School Project, which pairs low-income students with local artists for a 10-week mentoring program.

From Washington Post

“Most perennials benefit from root division every three years, and some will even decline in vigor if left to their own devices. Vigorous vines and deciduous shrubs benefit from rejuvenation pruning after years of neglect. Rejuvenation pruning takes three years if done correctly. “For traditional foundation planting bed, it’s sometimes just easier and cost effective to start over from scratch.

From Seattle Times

Root division is performed in early spring.

From Project Gutenberg

I have not as yet tried to propagate it, but so far as I can judge there will be no difficulty in forming young stock by root division.

From Project Gutenberg