Sculpted by nature and arranged by artisans, these real plants create a uniquely verdant showpiece. The ferns and thick blankets of moss rise up in three dimensions from their surrounding frame as if in a tropical jungle setting. Audaciously original and certain to be a focal point, this eco-preserved art requires no watering.
How Green Walls Work Illustration by Jason Treat, National Geographic. Many living wall systems also have built-in irrigation systems in which water is harvested at the bottom of the wall and recirculated back to the top.The types of plants on green walls differ, but can include grasses, vines, and other climbing plants—all of which must have strong root structures, Green Roofs for Healthy Cities'.