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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
  • Root Structure: Taproot
  • Stratification: None Required
  • Seeds per Ounce: 90,000*
  • IL County Ecotypes we Grow**
    1. Will County


Other scientific names used for this species:

  • None


Other common names used for this species:

  • None


*Approximate, actual number of seeds may vary slightly by seed lot.

**We have listed the County ecotypes that we grow for this species, this ecotype may or may not be available at the time of your order. If you prefer one of the ecotypes over another please type it into the "Additional Info Section" and we'll provide that ecotype if it's available, if it is not available we will provide one of the other ecotypes listed.

Rudbeckia hirta - Per Ounce

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