Let's create a green wall! Lel. Wall Gardening With mesh and wiring. Wall gardens are a perfect solution for minimal space like patios and tiny backyards. The living walls offers salad fixings along with creative, eye-catching conversations pieces. It is also a great idea for elderly gardeners or those with physical limitations where bending over and kneeling is virtually impossible. This system puts little to no stress on the back and knees and is simple enough for children to water and mist.