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:
	
None
 
Other common names used for this species:
	
None
 
*Approximate, actual number of seeds may vary slightly by seed lot.