Names
- Scientific name
- Centaurea cyanus
- Common name
- Cornflower, Bachelor's Button, Bluebottle
Measurements
- Height
- 12 - 36 in
- Spread
- 12 - 24 in
- Spacing
- 6 in
- Growth Rate
- Moderate
Requirements
- Hardiness zones
- 2a, 2b, 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b, 10a, 10b, 11a, 11b
- Sunlight
- Full Sun, Partial Shade
- Soil Drainage
- Well Drained
- Soil type
- Loam, Sand
- Soil pH
- Slightly acidic (6.1 - 6.5), Neutral (6.6 - 7.3), Slightly alkaline (7.4 - 7.8)
Physical Traits
- Lifecycle
- Annual
- Leaf lifecycle
- Deciduous
- Foliage color
- Medium Green
- Bloom time
- Summer
- Bloom color
- Blue, Pink, White
- Seasons of interest
- Summer
- Propagation methods
- Seeds
- Attracts
- Birds, Butterflies
References
Centaurea cyanus (Bachelor's Button, Bachelors Buttons, Bluebottle, Cornflower) | North Carolina Extension Gardener Plant Toolbox,
accessed November 10, 2024
Centaurea cyanus (Cornflower),
accessed November 10, 2024
Cornflower | Description & Facts | Britannica,
accessed November 10, 2024
Centaurea cyanus Cornflower, Garden cornflower, Blue Bottle, Cornflower PFAF Plant Database,
accessed November 10, 2024
Centaurea cyanus - Plant Finder,
accessed November 10, 2024
Centaurea cyanus (Cornflower): Minnesota Wildflowers,
accessed November 10, 2024
World Flora Online, accessed June 20, 2024