Muhlenbergia Rigens, or more commonly know as Deergrass, is a graminoid with green foliage and yellow flowers of the genus Muhlenbergia. It has a moderate growth rate and a height of 4.5 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is spring and summer, blooms during late spring and is somewhat tolerant of shade. Muhlenbergia Rigens or Deergrass's floral region is North America US Lower 48, specifically in the states of Arizona, California, New Mexico, Nevada and Texas.
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