The trailing indigo bush is a low growing evergreen shrub, 12-18 in. high, spreading 5-10 ft. wide. Dense silvery green foliage is comprised of pinnately divided leaves; numerous heads of purple flowers provide modest accent value in early spring to summer.
This species is native to southern Texas, New Mexico, Arizona and Mexico where it grows in rocky limestone soils, in sunny exposed areas and tolerates heat, sun, aridity and drought. It is one of the best long-lived ground covers for southwestern style gardens for use on banks, cascading over walls and in combination with mesquite and palo verde trees. It grows quickly while retaining a dense foliage character and spreading habit.