Stachys Tenuifolia, or more commonly know as Smooth Hedgenettle, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) with green foliage and purple flowers of the genus Stachys. It has a moderate growth rate and a height of 25 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 late spring and is tolerant of shade. Stachys Tenuifolia or Smooth Hedgenettle's floral region is North America US Lower 48, specifically in the states of Alabama, Arkansas, Connecticut, Delaware, Florida, Georgia, Iowa, Illinois, Indiana, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, North Carolina, North Dakota, Nebraska, New Hampshire, New Jersey, New York, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Virginia, Vermont and Wisconsin.