Plant WitchBachelor's Button
Centaurea cyanus
Zones 7–13
| Sun | full sun |
|---|---|
| Water | medium |
| Grow time | — |
| Height | 1–3ft |
| Spacing | 6–12in |
| Full sun | ✓ |
|---|---|
| Part shade | ✓ |
| Shade | ✗ |
| Life cycle | annual |
|---|---|
| Category | garden annual |
| Growth habit | upright |
| Season | warm |
| Frost tolerance | tender |
| Height | 1–3ft |
| Spacing | 6–12in |
| Days to bloom | 45–90 |
| Native us | ✗ |
| Water | medium |
|---|---|
| Drainage | well drained |
| Soil ph min | 6.5 |
| Soil ph max | 8.0 |
| Propagation | |
| Seed | ✓ |
| Cutting | ✗ |
| Division | ✗ |
| Graft | ✗ |
| Tuber bulb crown | ✗ |
| Transplant | ✗ |
| Container ok | ✓ |
| Spread | self seeds |
| Deer resistant | ✓ |
| Drought tolerant | ✓ |
| Pollinator friendly | ✓ |
| Toxic to | |
| People | — |
| Pets | — |
| Livestock | — |
| Length | 6–12wk |
|---|---|
| Colors | |
| White | ✓ |
| Yellow | ✓ |
| Orange | ✗ |
| Red | ✓ |
| Pink | ✓ |
| Purple | ✓ |
| Blue | ✓ |
| Green | ✗ |
| Fragrant | ✗ |
| Reblooms | ✓ |
| Deadhead | ✓ |
| Cut flower | ✓ |
| Dried flower | ✓ |
| Status | none |
|---|---|
| Regions | |
| Northeast | ✗ |
| Southeast | ✗ |
| Midwest | ✗ |
| Plains | ✗ |
| Southwest | ✗ |
| Mountain west | ✗ |
| Pacific northwest | ✗ |
| California | ✗ |
| Hawaii | ✗ |
| State noxious | ✗ |
| Escapes cultivation | ✓ |
| Visitors | |
|---|---|
| Honey bees | ✓ |
| Native bees | ✓ |
| Bumblebees | ✓ |
| Butterflies | ✓ |
| Moths | ✓ |
| Hummingbirds | ✗ |
| Beneficial insects | ✓ |
| Nectar | medium |
| Pollen | high |
| Larval host | ✓ |
| Specialist bees | ✓ |
| Seed for birds | ✓ |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sow | no | no | no | yes | yes | no | no | no | yes | yes | no | no |
| Harvest | — | — | — | — | — | — | — | — | — | — | — | — |
References: Wikipedia · how this data is made