Flower / Warm season
Indian Summer Rudbeckia
Pollinator beds, cutting rows, and late-summer color.
Golden daisy-like blooms with dark centers.
Seed spacing and maturity
- Days to maturity
- 90
- Germination temperature
- 65-75F
- Seed depth
- 0.125 inches
- Spacing
- 18 inches
- Row spacing
- 24 inches
- Start method
- Either
Frost-date timing
- Indoor start
- 6 weeks before last frost
- Direct sow
- 7 days after last frost
- Transplant
- 7 days after last frost
- Succession interval
- repeat every 28 days
Action plan
- Can I plant this now?
- Use your local last-frost, first-frost, and soil-temperature checks before treating this crop as plantable today.
- Start indoors or direct sow?
- Direct sow or transplant depending on your soil warmth, bed readiness, and frost-risk plan.
- How much space?
- 18 inches in-row spacing, 24 inches between rows, and 0.125 inch seed depth.
- Best companions?
- Use this as part of a diverse flowering or herb planting, and treat companion claims as site-specific rather than guaranteed pest control.
- Common failure modes?
- Deadhead for continued bloom or leave seed heads for wildlife. Moderate water during establishment; tolerates drier soil later. Average, well-drained soil.
Growing profile
- Sun
- Full sun
- Water
- Moderate water during establishment; tolerates drier soil later.
- Soil
- Average, well-drained soil.
- Watch
- Deadhead for continued bloom or leave seed heads for wildlife.
- cut-flowers
- pollinators
- annual
- containers
Browse context
- Flower Catalog Category collection
- Aster Family Rotation and family context
- Warm Season Seeds Season collection
- Either Seeds Start-method collection
- Container-Friendly Seeds Practical trait collection
- Beginner-Friendly Seeds Practical trait collection
- High Pollinator Value Seeds Practical trait collection
- Succession Sowing Seeds Practical trait collection
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Source: Seed Savers seed saving guide