To 20 cms. Bright white buttons of double flowers held on thin wiry stems above narrow green foliage. Sun. Rockery. Winter dormant
Elegant and cottagey. Perfectly erect spikes to one metre tall are densely decorated with single white flowers studded with purple and orange eyes. Rich green leaves form a handsome rosette. Essential for formal or cottage gardens. Cut spent spikes and it will bounce back with new ones. Self-sows! Winter dormant.
Popular variety. Clumps of handsome dark green foliage, which colours well in autumn. The flowers are rich violet-blue, heavily veined on 60 cm stalks in midsummer. Sun/part shade. Clump forming hardy perennial. Winter dormant.
Alpine. 30 to 40 cms when in flower. Dense mat of grey green rosettes with silvery edging. Panicles of small starry flowers with long yellowish-white petals. Rockery. Sun or light shade.
To 80 cms. Forms a compact mould. Long stems bear large, frilly deepest lilac blue blooms summer to autumn, that are ideal for picking. Sun or part shade in containers or garden.