Xeriscape Landscaping Plants For The Arizona Desert Environment
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Grasses

Deer Grass, Muhlenbergia rigens

Deer Grass, Muhlenbergia rigens. Photo September 29, 2006. Arizona - Sonora Desert Museum

Prairie Grama	Muhlenbergia rigens

Deer Grass Muhlenbergia rigens, Grass Family ( Poaceae ), Deer Grass. Also called Prairie Grama. Deer Grass can grow 4 - 5 feet in height and spread over 6 feet wide. Long silver-gray flower panicles arch gracefully 3 feet over the gray-green foliage. Extremely adaptable. Once established Deer Grass can go without water, which also regulates its height. It also tolerates regular garden water, which keeps the foliage nearly evergreen. Use Deer Grass in mass plantings or as a single specimen. Deer Grass should be mowed every few years. This is to stimulate its growth. The mowing should be done in the fall, after it has gone to seed. It tolerates alkaline soil; extremely drought tolerant. Moderate to little water, cannot tolerate poorly-drained soils. Culms: Erect, solid, 10 to 40 inches tall, glabrous, purplish at the nodes. They are in clumps or sometimes just a few together. Blades: Numerous blades, flat, from 2 to 12 inches long, scabrous above and on the margins, smooth beneath. Tiny hairs grow out of tiny bumps on the blade margins, especially near the ligule. Sheaths: Usually shorter than the internodes, striate, glabrous below to somewhat pilose above. The collar is frequently pilose on the margins. Ligules: Very short fringed membrane, truncate. Inflorescence: A panicle, 3 to16 inches long, with 20 to 60 spike-like branches, each one-sided and 1/2 to 3/4 inch long. The individual branches are angled to one side of the rachis and they hang down. Spikelets: There are 3 to 8 spikelets per branch with one perfect floret and one imperfect floret. Lemma has three short, unequal awns. Height: Height normally about 48 inches tall. Will also spread to about 48 inches. Can be 5 feet high with a 6 foot spread. Flowers: Silver - gray flower panicles. Blooming Time: Mid August - September. Leaves: Simple, graye - green; medium blade width. Elevation: 2,500 - 7,000 Feet. Habitat: Full Sun. Rocky open slopes, shallow woodlands and forest openings up to an elevation of 7,000 feet. A Xeriscape Landscape plant. Native of Arizona, New Mexico, Texas, California. Miscellaneous: Photos Taken At Sun City. Photo Taken September 6, 2006.