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Flowers · annual
Cornflower from seed
Centaurea cyanus · also searched as bachelor's button
- Germination temperature
- 60 to 65°F (16 to 18°C)
- Days to germinate
- 7 to 14 days
- Before sowing
- Nothing needed
- Sow outdoors
- 4 to 0 weeks before the last frost
- Spacing
- 2 to 9 in (5 to 23 cm)
Your dates from your last frost Seed not coming up?
Depth and light are not given by the source; follow your packet.
Sowing
Johnny's recommends direct sowing with 2 to 3 successive sowings for a long bloom season. Seed germinates at 60 to 65°F (16 to 18°C).
Care and transplanting
Cut for bouquets to keep it flowering.
Problems
Plants sprawl in rich soil.
Saving seed
Self-sows readily.