(Brown knapweed). Another beautiful and versatile perennial cornflower to add to the pollinator garden. Low clumps of green leaves, rough to touch, and throughout summer upright stems with a multitude of cornflower-like flowers in a bright rose-pink-purple colour. An excellent plant for bees and butterflies, and ideal in wildflower gardens and meadows. 50-80cm H x 30-40cm W. 1 litre pot.