Centaurea Montana


Centaurea Montana, Hardheads, Knapweed. Mat-forming robust Herbaceous perennial with narrow mid-green leaves woolly beneath. Woolly stems carry blue flowerheads with reddish violet petals. Ideal for use in a border. Max Height 45cm. Max Spread 60cm. Flowers April to July.



Plant in moist well drained soil. Full sun, Hardy.


General Herbaceous & Perennial Planting and care

  • Water the pot thoroughly and allow to drain fully.
  • Dig a hole twice the size of the pot being planted and fork over the base. Adding some planting compost.
  • Remove the pot gently, if well rooted cut off the pot.
  • Ensure that the top of the Root ball is level with the surrounding soil.
  • Replace the remaining soil and heel in, water the area thoroughly.
  • Water regular until established.
  • Apply some general fertiliser every spring.