Centaurea nigra is a species of perennial flowering plant, and a stalwart of any meadow type planting intended to attract bees. The fluffy mauve flowerheads are in fact one of the very best sources of nectar of any plant found naturally gowing in Britain. Full sun and moist but well drained soil preferred. Fully hardy. Height: about 1m
Snow-in-summer. Vigorous ground cover for a sunny position, small silver-white leaves and masses of star-shaped white flowers in late spring/summer. Needs well drained soil, even a gravel garden, and full sun. Fully hardy. H:10cm
Low-growing hardy perennial for a sunny and well drained position - good for tumbling over low walls for example. This gorgeous little alpine perennial is very long flowering. The attractive lilac-blue flowers with dark veins and a small yellow lip emerge in mid summer and carry on flowering into the autumn. Hardy. H: 20cm
Clump forming perennial, loosley reembling a very refined thistle - less the spines!. Small and intensely dark red flowers float over the border on tall stems - very attractive to bees. Valuable plant for a sunny border. Fully hardy. H:1m
Late spring flowering hardy perennial suitable for partial or full shade. Branching stems carry tight clusters of small, very fragrant, rounded bell-shaped creamy-white flowers. Forming an effective ground cover once established. Plant in a leafy, fertile, humus-rich, moist but well drained soil. H: 20cm.