Helenium Autumnale, or more commonly know as Common Sneezeweed, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) with green foliage and yellow flowers of the genus Helenium. It has a rapid growth rate and a height of 4.9 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 fall and is intolerant of shade. Helenium Autumnale or Common Sneezeweed's floral region is North America US Lower 48, specifically in the states of Alabama, Arkansas, Arizona, 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 Jersey, New Mexico, Nevada, 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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