Hardheads,Knapweed. Mat-forming robust perennial with narrow mid-green leaves woolly beneath. Woolly stems carry blue flowerheads with reddish violet petals. Max Height 45cm. Max Spread 60cm. Flowers April to July. Full sun. Hardy. Water thoroughly before planting.
Centaurea montana
Mat-forming robust perennial with narrow mid-green leaves woolly beneath. Woolly stems carry blue flowerheads with reddish violet petals.
Category: Perennials
Additional information
| Generic | Centaurea |
|---|---|
| Species | montana |
| Varietry | |
| Common Name | Hardheads, Knapweed |
| Flower Colour | blue, violet |
| Soil | |
| Aspect | Full sun |
| Foliage | Herbaceous |
| Height | 45cm |
| Family | Asteraceae |
| Spread | 60cm |
| Growth Speed | |
| Growth Habit | Mat-forming |
| Fragrance | FALSE |
| Foliage Colour | green |
| Flowers From | April, 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 |
| Toxicity | |
| Pruning | |
| Pruning Time | |
| Pests and diseases | |
| Maintenance | |
| Propagation |
Related products
Achillea ‘Hoffnung’
Compact, clump-forming with mid-green leaves. Creamy , sand-coloured flowers.
Acanthus mollis
A clump-forming perennial with dark green leaves. Spikes of white flowers with purple bracts produced in summer. .
Achillea millefolium ‘Cerise Queen’
A perennial with dark green leaves. Bright magenta-pink flowerheads.
Achillea millefolium ‘Lilac Beauty’
A perennial with dark green leaves and lilac flowerheads. Free flowering.
Achillea ‘Huteri’
Mounds of aromatic grey foliage and heads of snow-white flowers on short stems.
Acanthus hungaricus
A clump-forming perennial with dark green leaves. Spikes of white-pink flowers with purple bracts produced in summer.
Achillea ptarmica
A perennial with dark green finely cut leaves. Bears loose off-white flowerheads.
