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Wild Flower Common Knapweed Centaurea Nigra Seeds
Wild Flower Common Knapweed Centaurea Nigra Seeds
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Common Knapweed - Centaurea Nigra
Common Knapweed purple (and occasionally white) flowers bloom from June to September. It is a tall native grassland perennial that grows well in moderately fertile soil. It lives for many years but will need open ground to regenerate. It attracts many insects and other animals.
It grows easily from seed and can be sown at any time.