Polygonum Bistortoides, or more commonly know as American Bistort, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) with green foliage and white flowers of the genus Polygonum. It has a moderate growth rate and a height of 1.5 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is spring and summer, blooms during mid spring, is intolerant of shade and is routinely available commercially. Polygonum Bistortoides or American Bistort's floral region is North America US Lower 48, specifically in the states of Arizona, California, Colorado, Idaho, Montana, New Mexico, Nevada, Oregon, Utah, Washington and Wyoming.
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