Bachelor's Button
Centaurea cyanus
Zones 2–11annual30" tall🐝 pollinator
Bloom window
J
F
M
A
M
J
J
A
S
O
N
D
Peak bloom: July
How to plant
Direct-sow in early spring — frost-tolerant. Self-sows happily; classic cornflower blue.
- Sunlight
- full sun
- Spacing
- 9" between plants
- Mature height
- 30"
- Row placement
- mid of bed
From authoritative sources
Aggregated from USDA PLANTS.
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