Poa Nervosa, or more commonly know as Wheeler Bluegrass, is a graminoid with green foliage and yellow flowers of the genus Poa. It has a slow growth rate and a height of 1.8 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, is intolerant of shade and is routinely available commercially. Poa Nervosa or Wheeler Bluegrass's floral region is North America US Lower 48, specifically in the states of Oregon and Washington.