Centaurea macrocephala
Yellow Hardhead, Bachelors' Button
Family: Asteraceae Aster
| Type | Perennial |
| USDA Hardiness range | 3A - 9A |
| Exposure | Full sun |
| Bloom color | Yellow |
| Bloom time | Mid Summer to Early Fall |
| Water needs | Dry to moist |
| Landscape uses | Border, container, specimen |
| Height | 24" to 4' / 60cm to 1.20m |
| Spread | n/a |
| Growth rate | Moderate |
| Bloom attributes | Suitable for cut flowers, suitable for dried flowers |
| Leaf color | Green |
| Fruit color | n/a |
| Soil pH requirements | Neutral |
| Soil type | Loamy |
| Form | Upright or erect |