Common Knapweed — Flowers

Centaurea nigra

Full sun, light watering — fully hardy.

Photograph of Common Knapweed — iNaturalist / GBIF

Sow: Apr
Plant out: Apr
In flower: Jun, Jul, Aug, Sep

Sun: Full sun
Water: Low
Difficulty: Easy
Hardiness: H6
Season: summer
Height: 50–100 cm
Spacing: 50 cm
Pets: Safe around pets
Bee friendly: Bee friendly
Native: Native

Growing notes

Grows to 0.5-1 metres. Space about 10-50cm apart. In flower Jun-Sep.