Hardheads,Knapweed. Dense mat-forming perennial with grey-woolly leaves. Buds covered in brown, white-tipped bracts, open to clear blue and reddish violet flowerheads. Max Height 30cm. Max Spread 60cm. Flowers May to June. Full sun. Hardy. Water thoroughly before planting.
Centaurea triumfettii ssp. stricta
Dense mat-forming perennial with grey-woolly leaves. Buds covered in brown, white-tipped bracts, open to clear blue and reddish violet flowerheads.
Category: Perennials
Additional information
| Generic | Centaurea |
|---|---|
| Species | triumfettii |
| Varietry | ssp. stricta |
| Common Name | Hardheads, Knapweed |
| Flower Colour | blue, violet |
| Soil | |
| Aspect | Full sun |
| Foliage | Herbaceous |
| Height | 30cm |
| Family | Asteraceae |
| Spread | 60cm |
| Growth Speed | |
| Growth Habit | Mat-forming |
| Fragrance | FALSE |
| Foliage Colour | green |
| Flowers From | May, June |
| Colour Fruit | |
| Fruits When | |
| Moisture | 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 millefolium
A perennial with green leaves. Flat flowerheads of red, pink or yellow.
Achillea ‘Coronation Gold’
A clump forming perennial with evergreen silvery grey leaves. Flat yellow flowerheads.
Acanthus mollis
A clump-forming perennial with dark green leaves. Spikes of white flowers with purple bracts produced in summer. .
Achillea ‘Hoffnung’
Compact, clump-forming with mid-green leaves. Creamy , sand-coloured flowers.
Achillea grandifolia
A perennial with grey-green leaves. Stout stems with white flowerheads.
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.
