Carex Aperta, or more commonly know as Columbian Sedge, is a graminoid with green foliage and brown flowers of the genus Carex. 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, blooms during early spring and is intolerant of shade. Carex Aperta or Columbian Sedge's floral region is North America US Lower 48, specifically in the states of Idaho, Montana, Oregon and Washington.
Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming