Centaurea nigra - Knapweed, Common 2g

Common/Black Knapweed: M, N, P, B, *, Jun-Sept

PERENNIAL growing to 0.6 m (2ft). Not suitable on damp or acid sites. Hardy to zone 5. It is in flower from June to September. This plant similar to Greater Knapweed is particularly suitable in pastures, persisting for many years even when grazed, and in neglected tussocky grassland. The flowers are pollinated by Bees, flies, lepidoptera, self. Produces POLLEN & NECTAR SEEDS 2g/£1.55.