Rudbeckia hirta


Common Name: black-eyed Susan
Plant Type:Herbaceous
Light (original): sun, part shade
Light Requirements: Sun, Part Sun
Height:2 to 3 feet
Width:12 to 16 inches
Duration:Perennial
Habitat:Prairie
Soil Type:moist to dry
Soil Moisture:Dry, Mesic
Seed Ripens:
USDA Zones:3 to 9
Flower Colour:gold
Bloom Time:summer
Comments:From Cdn. prairies. Poor, sandy soil. Attracts butterflies, bees and birds.
Germination:Seed will germinate within 4 weeks if sown at 70°F
Seed will germinate upon being shifted to 70°F after 90-140 days of moist, cold stratification at 40°F.
Germination Notes:
Grow Notes:
Picture Copyright: John Oyston