Helianthus Grosseserratus, or more commonly know as Sawtooth Sunflower, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) with dark green foliage and yellow flowers of the genus Helianthus. It has a moderate 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 summer fall, blooms during late summer and is intolerant of shade. Helianthus Grosseserratus or Sawtooth Sunflower's floral region is North America US Lower 48, specifically in the states of Arkansas, Connecticut, Delaware, Georgia, Iowa, Illinois, Indiana, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, North Carolina, North Dakota, Nebraska, New Hampshire, New Jersey, New Mexico, New York, Ohio, Oklahoma, Pennsylvania, South Dakota, Tennessee, Texas, Virginia, Washington and Wisconsin.
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