How to Propagate very dark purple knapweed?
Propagate by seed sown in pots in a cold frame in spring or propagate by division in spring or autumn
very dark purple knapweed · Propagation
very dark purple knapweed · Centaurea calocephala
Any well-drained soil in full sun; good drought resistance. A fairly dry, poor soil is best as plants can be invasive if soil is rich and moist
Watering: Moderate regular watering, avoid prolonged drought and stagnant waterloggingSunlight: Full sunInformation to be completed