Read more Black-Eyed Susan (Rudbeckia hirta) Synonyms: Hairy Coneflower An annual, biennial or short-lived perennial leafy plant with bright yellow daisy-like flowers with dark, done- shaped centers. Blooms from late June through September. Native to the Midwest and Lake states, naturalized in the east. Disturbed prairies, roadsides and waste places. Best in full to partial sun, various soils; quite adaptable and somewhat aggressive.