vertical garden
[ vur-ti-kuhl gahr-dn ]
/ ˈvɜr tɪ kəl ˈgɑr dn /
noun
a garden in which the plants are supported to grow along vertical, often tiered surfaces, especially fences, posts, trellises, and walls, rather than along the ground: Our first vertical garden, on part of an old barn door, yielded 18 bushels of summer squash.
Origin of vertical garden
First recorded in 2010–15