Potamogeton Amplifolius, or more commonly know as Largeleaf Pondweed, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) with green foliage and green flowers of the genus Potamogeton. It has a rapid growth rate and a height of 0 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is summer and fall, blooms during mid summer and is intolerant of shade. Potamogeton Amplifolius or Largeleaf Pondweed's floral region is North America US Lower 48, specifically in the states of Alabama, Arkansas, California, Colorado, Connecticut, Georgia, Iowa, Idaho, Illinois, Indiana, Kentucky, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, Montana, North Carolina, North Dakota, Nebraska, New Hampshire, New Jersey, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Dakota, Tennessee, Virginia, Vermont, Washington, Wisconsin and Wyoming.
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