very dark purple knapweed · Pests & diseases

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