Common knapweed
Common knapweed
Centaurea nigra
Variation
Shipping within 4-10 working days
- Black to dark purple flowers.
- Compact, easy-care perennial.
- Blooms from summer to autumn.
- Winter-hardy and long-lasting.
- Perfect for naturalistic gardens.
Centaurea nigra is admired for its deep purple flower heads that give naturalistic plantings a wild and authentic appearance. This native perennial flowers over many weeks and provides an important food source for bees and other beneficial insects. It thrives in sunny locations with well-drained soil and blends beautifully into wildflower meadows and informal garden settings.
Care/Water
Centaurea nigra is a hardy plant with low water needs. During extended dry periods, regular watering is recommended. Allow the soil to dry slightly between waterings.
Maintenance
Remove faded flowers to extend the blooming season. Cut back after flowering to encourage fresh growth. This keeps the plant strong and healthy.
Location
Prefers sunny locations. Ideal for meadow plantings, natural gardens, and perennial borders. Adapts well to various soil types.
Tip
Highly valuable for biodiversity. An excellent choice for pollinator-friendly gardens.
Centaurea nigra is a decorative plant with delicate flowers and attractive foliage, enhancing beds, borders, and group plantings. It provides vibrant accents and natural structure.
The plant thrives in sunny locations.
| Flowering months | |
|---|---|
| Density per m2 | 5 a 7 |
| Max height full grown | 90 cm |
| Plant family name | Centaurea |
| Standing | Part shade, Full sun |
| Properties | Summer bloomer, Rock garden, Full sun, Butterfly plant, Border plant., Attracts bees |
| Flower color | Mixed |
| Leaf color | Black |
Delivery costs
| BE € 4,95 | NL € 5,95 |
| DE € 6,95 | FR € 9,95 |
| AT € 14,95 | DK € 16,95 |
| IT € 16,95 | ES € 19,95 |
| SK € 19,95 | CZ € 19,95 |
| SE € 20,95 | IE € 20,95 |
| LU € 20,95 |
Payment methods
- Eco Edenred - Sodexo - Monizze with online @ checkout payment method