Vallisneria Americana, or more commonly know as American Eelgrass, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) with green foliage of the genus Vallisneria. It has a rapid growth rate and a height of 1 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is summer, blooms during mid summer and is intolerant of shade. Vallisneria Americana or American Eelgrass's floral region is North America US Lower 48, specifically in the states of Alabama, Arizona, California, Connecticut, Delaware, Florida, Georgia, Iowa, Idaho, Illinois, Indiana, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, North Carolina, North Dakota, New Hampshire, New Jersey, New Mexico, Nevada, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Virginia, Vermont, Washington and Wisconsin.
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