Brown-Eyed Susan (Rudbeckia triloba)
Rudbeckia triloba is a coarse, somewhat hairy, clump-forming, densely-branched biennial or short-lived perennial. Easily grown in average, moist, well-drained soils in full sun. Tolerates light shade, but plants may need support if grown in too much shade. . Tolerates heat, some drought and a somewhat wide range of soils.
This plant is in part distinguished from black-eyed Susan (R. hirta) by having a more profuse bloom of smaller flowers that usually have fewer rays per flower head. Deadhead spent flowers to encourage additional bloom. They freely self-seed and will usually remain in the garden and naturalize through self-seeding.
Height: 2.00 to 3.00 feet
Bloom Time: July to October
Bloom Description: Yellow rays with brown-purple center disk
Sun: Full sun
Suggested Use: Naturalize
Tolerate: Deer, Drought