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flowerAnnualEdible
Bachelor Button
Centaurea cyanus
Also known as: centaurea, cornflower
Easy-growing annual with bright blue fringed flowers. Edible blooms. Excellent cut flower and self-seeder.
Growing Requirements
SunFull Sun
WaterLow
Soil Type
Soil Drainage
Soil pH
Plant Spacing6–12″
Row Spacing12–18″
Planting Depth0.13–0.25″
Height18–36″
Spread8–12″
✓ Container Friendly✓ Raised Bed Friendly
Planting Schedule
Direct Sow (Spring)
2–4 weeks before last frost
Germination
7–14 days
Days to Harvest
60–80 days
Zone Suitability
USDA Hardiness Zones
1
2
3
4
5
6
7
8
9
10
11
12
13
Zones 2–11
Cannot overwinter outdoors
Direct sow preferred. Tolerates poor soil and light frost. Does not transplant well. Self-seeds readily.
Companion Plants
No companion data available for this plant yet.