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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.

Good for: Bees and a goldfinch magnet in the autumn
Height: 30-60cm
Prefers: Sun and well drained soils
Flowers: June - September
Seeds per gram: 500

Sowing Rate: 3g/sqm