root-bound

adjective

ˈrüt-ˌbau̇nd 

 also  ˈru̇t-

variants or root bound or rootbound

: having roots formed into a dense, tangled mass that allows little or no space for further growth

These plants have a natural tendency to become root-bound, with their roots growing in a spiralling mass. This condition can be accelerated by tight, clay-like soils and shallow, frequent waterings which encourage corresponding shallow, lateral rooting.

—Maire Simington

especially, of a potted plant : having roots formed into a dense, tangled mass that encircles the inside of a container and that allows little or no space for further growth : pot-bound

Even if it's root-bound, a plant shouldn't be repotted just as it goes into the dormant season.

—Tovah Martin

If plants are rootbound and dry out fast, repot into larger containers.

—Sunset

Examples of root-bound in a Sentence

Recent Examples on the Web

Larger plants are often root-bound and grow at a slower rate when transplanted; you’ll be surprised by how quickly your smaller starts will take off. —Kristin Guy, Sunset Magazine, 14 Nov. 2023

Word History

First Known Use

1841, in the meaning defined above