underplanting

verb

1. (form-of, gerund, participle, present)present participle and gerund of underplant

noun

1. An arrangement of underplants.

   “The outdoor setting around the lily ponds in the twin courtyards of the Enid A. Haupt Conservatory is opulent with maples in radiant hues, and a veritable forest of conifers and bamboo with underplantings like bush-clover, silver grass and balloon flowers from the “seven flowers of autumn” cited in early Japanese poems.”