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.