Sphenopholis Obtusata, or more commonly know as Prairie Wedgescale, is a graminoid with green foliage and green flowers of the genus Sphenopholis. It has a moderate growth rate and a height of 3.2 feet at maturity. Its duration is annual which means it grows for one season only. It's active growth period is spring, blooms during spring, is somewhat tolerant of shade and is routinely available commercially. Sphenopholis Obtusata or Prairie Wedgescale's floral region is North America US Lower 48 and Hawaii, specifically in the states of Alabama, Arkansas, Arizona, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Iowa, Idaho, Illinois, Indiana, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, Montana, North Carolina, North Dakota, Nebraska, New Hampshire, New Jersey, New Mexico, Nevada, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Vermont, Washington, Wisconsin and Wyoming.
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