Centaurea nigra - Knapweed, Common 10g

Common/Black Knapweed: M, N, P, B, *, June-September

PERENNIAL growing to 0.6 m (2ft). Not suitable on damp or acid sites, prefers dry calcareous soil . Hardy to zone 5. 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 10g/£4.05 (sow any time of year)