Ammophila Breviligulata, or more commonly know as American Beachgrass, is a graminoid with green foliage and yellow flowers of the genus Ammophila. It has a rapid growth rate and a height of 2.5 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is spring summer fall, blooms during spring and is intolerant of shade. Ammophila Breviligulata or American Beachgrass's floral region is North America US Lower 48, specifically in the states of California, Connecticut, Delaware, Illinois, Indiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, North Carolina, New Hampshire, New Jersey, New York, Ohio, Oregon, Pennsylvania, Rhode Island, South Carolina, Virginia, Vermont, Washington and Wisconsin.
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