Elegant and stately plant for rear of border with narrow, stiff and erect stems bearing dense pink-purple flowerheads throughout summer into autumn. Hardy. Full sun. H:1.5m Self seeds readily. Atttracts numerous insects such as butterflies, bees and the humming-bird hawk moth.
Delighful sun-loving hardy perennial, for front of border, as ground cover or perhaps tumbling over a low wall. Electric blue flowers in early summer. Cut back hard after sumer to maintain a compact and neat habit. Fully hardy. H: about 20cm only.
Sun-loving, fully hardy and mound-forming herbaceous perennial, with deeply toothed leaves and erect spikes of bright blue flowers throughout summer. Cut back after flowering to encourage later blooming. H+S about 75cm
Clump forming perennial flowering in May into summer. Particluarly attractive tall flower spikes of the palest blue. Bright green basal rosette of leaves. H:60cm. Full sun or partial shade. Moist but well drained soil. Hardy,
Hardy perennial for full sun or light shade in any decent garden soil. Lightly variegated foliage with the mid-green offest by a delicate cream margin. Slender spires of tiny white flowers summer. Cut back after flowering to encourage a second flush, especially if given some fertiliser and the occaisonal drink. Bees love it!. Fully hardy and easy to grow. H: 90cm
Sun-loving hardy perennial, ideal for mid- to rear-border. Produces elegant, tall spires of lilac-blue flowers from mid-summer onwards, and also makes a very stylish cut flower. Much loved by bees and butterflies. Plant in any reasonable garden soil; perhaps incorporate organic matter at planting time if there is risk of drying out in summer. Fully hardy. H: 90cm