Rudbeckia Maxima, or more commonly know as Great Coneflower, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) with gray-green foliage and yellow flowers of the genus Rudbeckia. 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, blooms during summer, is intolerant of shade and is routinely available commercially. Rudbeckia Maxima or Great Coneflower's floral region is North America US Lower 48, specifically in the states of Arkansas, Louisiana, Oklahoma, South Carolina and Texas.
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