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Centaurea nigra seed

Common Knapweed / Black Knapweed / Hardheads
This plant flowers from June to September, they are purple and occationally white. 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 attractes loads of insects and other animals.

It grows easily from seed and can be sown at any time.


Centaurea nigra seed