Sunflower Family (Asteraceae : Rudbeckia)
Latin Name: Rudbeckia hirta L.
Season: June to September
Origin: Plant Materials Center in 1985
Value: Wildlife – good
Livestock – good
Black-eyed Susan is a biennial forb about 1 m tall with yellow ray flowers and dark brown spherical centers. After germination, the seedling grows into a rosette with oblong leaves. Sometimes flower stalks will appear in the first summer, but typically blooms from June to September of the second year. After flowering and seed maturation, the plants die. Black-eyed Susan in naturalized in most of the states east of Kansas and the bordering areas of Canada. It is adapted throughout the Northeast on soils with a drainage classification range from well-drained to somewhat poorly drained. It will perform acceptably on droughty soils during years with average of above rainfall, but best growth is achieved on sandy, well drained sites. It is winter hardy in areas where low temperatures are between -30° and -20°F.