Unlike grass, most groundcover plants cannot be walked on. Erosion control on steep banks or slopes. Grass is often difficult to mow on steep slopes. Shady areas under trees and shrubs. When planted under trees, groundcovers reduce mower damage to the base of the tree.
Some groundcovers require less sunlight and less moisture and nutrients than grass.
Therefore, they are in less competition with trees and shrubs. Where tree roots grow close to the surface and prevent grass from growing. Very wet or very dry locations. Selection of a suitable plant for groundcover depends on the area where it will be grown. Some groundcover plants prefer shade.