Wildflower Common Knapweed Centaurea nigra Seeds

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.