Black-Eyed Susan (Rudbeckia hirta)
A staple of Illinois prairies, this biennial native species offers a profuse display of yellow summer flowers. As a biennial, Black-Eyed Susan is heavy in the first few years of prairie restorations but wains in density as other more presistant species become established.
- Acronym: RUDHIR
- Life-Cycle: Biennial
- Bloom Color: Yellow
- Bloom Time: June-July
- Typical Height: 24"
- Light Preference: Full Sun
- Soil Preference: Dry-Mesic
- Seeds per Ounce: 90,000*
- Seeds per Packet: 2,250*
Other scientific names used for this species:
Other common names used for this species:
*Approximate, actual number of seeds may vary slightly by seed lot.