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Brown-eyed Susan

Rudbeckia triloba

Also known as: Three-lobed Coneflower

Smaller flowers than black-eyed Susan but borne in massive airy sprays late into autumn. Reliably self-seeds; treat as a short-lived perennial colony.

Family

Asteraceae

Type

wildflower

Lifespan

perennial

Height

2–3 ft

Spacing

1–1.5 ft apart

Light

sun, part shade

Soil moisture

dry

Soil pH

acidic, neutral, alkaline

Bloom

June, July, August, September, October

Bloom colors

red, orange, yellow, purple

Wildlife value

pollinators, songbirds, butterflies

Landscape uses

border, erosion control, naturalizing

Native states

AL, AR, CO, CT, DC, DE, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, MI, MN, MO, MS, NC, NE, NJ, NY, OH, OK, PA, RI, SC, TN, TX, UT, VA, VT, WI, WV