Helianthus Tuberosus, or more commonly know as Jerusalem Artichoke, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) with yellow-green foliage and yellow flowers of the genus Helianthus. It has a rapid growth rate and a height of 9.8 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 summer and is somewhat tolerant of shade. Helianthus Tuberosus or Jerusalem Artichoke's floral region is North America US Lower 48, specifically in the states of Alabama, Arkansas, California, Colorado, 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 York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Vermont, Washington, Wisconsin and Wyoming.
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