Equisetum Laevigatum, or more commonly know as Smooth Horsetail, 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 Equisetum. It has a rapid growth rate and a height of 5 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is spring, blooms during early spring, is intolerant of shade and is routinely available commercially. Equisetum Laevigatum or Smooth Horsetail's floral region is North America US Lower 48, specifically in the states of Arkansas, Arizona, California, Colorado, Connecticut, Iowa, Idaho, Illinois, Indiana, Kentucky, Michigan, Minnesota, Missouri, Montana, North Dakota, Nebraska, New Mexico, Nevada, New York, Ohio, Oklahoma, Oregon, Pennsylvania, South Dakota, Texas, Utah, Washington, Wisconsin and Wyoming.
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