Carex Obnupta, or more commonly know as Slough Sedge, is a graminoid with green foliage and yellow flowers of the genus Carex. It has a rapid growth rate and a height of 3 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 mid spring and is somewhat tolerant of shade. Carex Obnupta or Slough Sedge's floral region is North America US Lower 48, specifically in the states of California, Oregon and Washington.
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