Common knapweed

Common knapweed

Centaurea nigra

Variation

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  • 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

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Pickup 15% discount

Kleine Dries 25 - 8600 Diksmuide   

  • Discount not combinable with other promotions

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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    

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