Hardheads,Knapweed. Clump-forming robust perennial with mid-green leaves and stout leafy stems carrying a bright yellow thistle-like flower. Max Height 1.4m. Max Spread 60cm. Flowers June to July. Full sun. Hardy. Water thoroughly before planting.
Centaurea macrocephala
Clump-forming robust perennial with mid-green leaves and stout leafy stems carrying a bright yellow thistle-like flower.
Additional information
| Generic | Centaurea |
|---|---|
| Species | macrocephala |
| Varietry | |
| Common Name | Hardheads, Knapweed |
| Flower Colour | yellow |
| Soil | |
| Aspect | Full sun |
| Foliage | Herbaceous |
| Height | 1.4m |
| Family | Asteraceae |
| Spread | 60cm |
| Growth Speed | Fast |
| Growth Habit | Clump-forming |
| Fragrance | FALSE |
| Foliage Colour | green, grey |
| Flowers From | June, July |
| Colour Fruit | |
| Fruits When | |
| Moisture | Moist, Well drained |
| Protection | |
| Hardiness | Hardy |
| Planting | Water thoroughly before planting |
| Care | Keep moist in first year |
| Border | Border, Dried flowers |
| Toxicity | |
| Pruning | |
| Pruning Time | |
| Pests and diseases | |
| Maintenance | |
| Propagation |
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