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Flowers · short-lived perennial
Black-eyed Susan from seed
Rudbeckia hirta · also searched as rudbeckia
- Germination temperature
- 68 to 72°F (20 to 22°C)
- Sowing depth
- cover very lightly
- Days to germinate
- 7 to 14 days
- Light
- Needs light: press onto the surface
- Before sowing
- Nothing needed
- Start indoors
- 5 to 7 weeks before planting out
- Plant out
- 0 to 2 weeks after the last frost
- Sow outdoors
- 0 to 2 weeks after the last frost
- Spacing
- 12 to 18 in (30 to 45 cm)
Your dates from your last frost Seed not coming up?
Sowing
Light helps germination, so cover very lightly (Johnny's). Sow indoors 5 to 7 weeks before planting out or direct.
Care and transplanting
Deadhead for more bloom or leave heads for birds. It self-sows.
Problems
Slow seedlings in cold soil.
Saving seed
Collect cones when dry and black.