An annual included in seed mixes for early color. Will move around when used in perennial beds.
Of the "black-eyed susans," Rudbeckia hirta is the species most commonly grown in cultivation even though it is a weak perennial and is best grown as an annual or biennial on sunny, dry sites. It is also one of the best for bees.
Uses: Bees, butterflies, drought tolerant
Bloom time: June
Height: 2 to 3 feet
Space: 16 to 24 inches
Sun: Full sun to light shade
Moisture: Average
Seed: Typically is ready to germinate and needs no stratification period. Sow late November through early April.
- 100,000 seeds per ounce
- 0.5 oz. per 1,000 square feet
- 1 pound per acre