Centaurea montana
Common Name: 'Perennial cornflower'This well-known knapweed is tough, easy and spreading. Mounds of greyish-green leaves produce blue flower-heads 5cm across, reddish in the centre, from late spring to summer. May-Jul. H50cm S90cm.
£7.00
Care Instructions
Best grown in moist but well-drained soil in sun or partial shade. Tolerant of poor soil. Cut it back after flowering to replenish the foliage and encourage more blooms later in the year.