🌸 Flower
ANX-FLOWER-0000028
Black-eyed Susan
Rudbeckia hirta
Black-eyed Susan (Rudbeckia hirta), a coarse, hairy annual to short-lived perennial of the Asteraceae family, produces daisy-like flowers with bright yellow-to-orange rays around a domed, dark chocolate-brown center disk.
Log in to request a quotation- Family
- Asteraceae
- Plant type
- Annual, biennial, or short-lived perennial
- Bloom color
- Yellow to orange-yellow rays with a dark brown center disk
- Bloom season
- Summer to early fall (June to September)
- Mature height
- 60-90 cm cm
- Sun requirements
- Full sun
- Fragrance
- Not fragrant
- Native region
- Central and eastern North America
Growing
Growing Conditions
- Water requirements
- Medium; tolerates heat and drought once established.
- Climate requirements
- Widely adaptable; hardy in USDA zones 3-7 in open, sunny sites.
- Soil types
- Average, well-drained soil; tolerates a wide range of soils except poorly-drained wet ones.
- Propagation method
- Seed, self-seeding
Ecology
Pollinators & Toxicity
- Pollinator value
- Attracts numerous native bees (including Rudbeckia pollen specialists) and butterflies.
- Toxicity
- Not listed as toxic by the ASPCA; the bristly, hairy leaves and stems can cause mild mechanical/contact skin irritation.
Use
Uses & Economic Importance
- Uses
- Cut flowers, native wildflower and prairie plantings, borders, meadow restoration, erosion control
- Economic importance
- Widely sold as seed in commercial native wildflower and pollinator-habitat seed mixes and used in prairie restoration projects.
Trade
Marketplace
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