Minimum number of seed: 500 seeds per 2 grams
Rudbeckia occidentalis
Native Species
Ecoregions: 15 - 17 (Level III)
Natural Habitat: Prairie, open meadows, grasslands, ditches
Life Cycle: Perennial
Rhizomatous: Yes, forms clumps and spreads through rhizomes
Light Requirements: Full sun to partial shade
Bloom Time: Late summer to fall
Bloom Color: The inflorescence is brown and made up of many tiny flowers that will bloom yellow but are hard to notice
Height: 3 - 6 ft
Elevation Range: 3,000 - 8,000 ft
Cold Hardiness: Zones 4-8
Soil Preference: Well-drained, loamy or sandy soil
Alkali/Saline Soil Tolerance: Tolerant of alkaline soils
Minimum Annual Precip: 12 - 20 in
Drought Tolerance: High
Disturbance: Tolerates disturbance and can grow in disturbed sites, like roadsides and meadows
Potential Pests/Disease: Susceptible to powdery mildew and aphids
Deer Resistance: Moderate
Wildlife Value
- Pollinator species
- Food source for birds
- Habitat for small animals
