underplant

/ ˌʌndəˈplɑːnt /

verb

1. to plant smaller plants around (a larger plant)

Example Sentences

The rosebush won’t share its space well with the tomato plant, but you might underplant roses with forget-me-nots, sweet alyssum or some other shallow- rooted flower — maybe even a quick edible crop such as arugula.

From Washington Post

Using a small area of about one eighth of an acre, Dr. Diller's plan is to girdle all the trees and then underplant with chestnut seedlings.

From Project Gutenberg

It is not necessary to underplant the woodlot with big trees.

From Project Gutenberg