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Common Knapweed Seeds (Centaurea nigra)
Common Knapweed Seeds (Centaurea nigra)
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Common Knapweed Seeds (Centaurea nigra)

Common knapweed or hardheads is a colourful meadow plant of the thistle family. Tight purple flowers, with lance-shaped leaves. Forms dense clumps over time, ideal for sunny meadows and hedgebanks.

  • Height: 30 - 60cm
  • Flowers: June - September
  • Soil Requirement: Well-drained
  • Light Requirement: Full sun and partial shade 
  • Seeds per gram: 500

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