Glyceria Obtusa, or more commonly know as Atlantic Mannagrass, is a graminoid with green foliage and green flowers of the genus Glyceria. It has a rapid growth rate and a height of 3.3 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is spring, blooms during summer and is tolerant of shade. Glyceria Obtusa or Atlantic Mannagrass's floral region is North America US Lower 48, specifically in the states of Connecticut, Delaware, Massachusetts, Maryland, Maine, North Carolina, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, South Carolina and Virginia.
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