Polygonum Hydropiperoides, or more commonly know as Swamp Smartweed, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) with dark green foliage and green flowers of the genus Polygonum. It has a slow 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, blooms during indeterminate and is intolerant of shade. Polygonum Hydropiperoides or Swamp Smartweed's floral region is North America US Lower 48, Alaska and Puerto Rico, specifically in the states of Alaska, Alabama, Arkansas, Arizona, California, Connecticut, Delaware, Florida, Georgia, Iowa, Idaho, Illinois, Indiana, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, Montana, North Carolina, North Dakota, Nebraska, 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.
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