South Dakota Native Plant Research
Rudbeckia hirta

Scientific Name

Rudbeckia hirta


Download Seed: The black quadrangular achenes of black-eyed susan are 1.5-2 mm long. (59 KB)

Download Seedling: Two month old seedling germinated in research greenhouse at SDSU. (72 KB)

Download Vegetative: Leaves are 4-15 cm long. (55 KB)

Download Flowering: The flowers can be found solitary to several on a stem. (83 KB)

Download Fruiting: The fruit is an achene. (40 KB)

Family Name


Common Name

Black-eyed susan

Horticulture Notes

Seed Collection: Collect seed in Jul.-Aug.
Germination:No pretreatment needed
Vegetative Propagation:
Soils: Tolerant of most soils
Light: Full sun
Water:Prefers moist areas

Rudbeckia hirta