This spreading plant creates dense carpets of leaves beneath trees and shrubs. P. procumbens, also called Allegheny pachysandra, grows six to 12 inches tall and spreads 12 inches wide. Its leaves are evergreen in warmer climates and provide interest with their purple or gray mottling on blue, green background. The flowers, borne on spikes in the spring, are white or pink. It too is shade-loving, and its roots prevent erosion. PartridgeberryThis is a trailing vine with fragrant, white, tube-shaped flowers that arrive in June to July. It too loves the shade, grows in acidic soil and sends its root deep enough into the ground to keep it stable on hills and banks. The flowers eventually give way to a red, edible fruit that is supposed to be favored by partridges, another gamefowl, and some small mammals.