This dense, semi-evergreen shrub ranges in height, depending on the amount of animal grazing and available moisture. The hairy, silver-gray leaves are narrow and wedge-shaped, with 3 to 5 teeth at the tip. The new growth is most attractive, so for a more refined look, prune out old stems periodically. The clusters of tiny pale yellow flowers are fairly inconspicuous. Use big sagebrush in full sun and well-drained soil, and be careful not to over water.