Achnatherum Hymenoides, or more commonly know as Indian Ricegrass, is a graminoid with green foliage and yellow flowers of the genus Achnatherum. It has a moderate growth rate and a height of 2 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is spring summer fall, blooms during late spring and is intolerant of shade. Achnatherum Hymenoides or Indian Ricegrass's floral region is North America US Lower 48, specifically in the states of Arkansas, Arizona, California, Colorado, Idaho, Minnesota, Montana, North Dakota, Nebraska, New Mexico, Nevada, Oklahoma, Oregon, South Dakota, Texas, Utah, Washington and Wyoming.
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