To 60 cms in height. Beautiful with lavender blue flowers spring/summer and sometimes in autumn. Clump forming with slender stems. Sun. Winter dormant.
White blooms speckled with violet in spring. Tolerates sun in the south, suitable for part/full shade. Self seeds. Leaves and flowers edible. Winter dormant.
Lovely unusual spikey ball-shaped clusters of deep blue flowers. Suits 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.
To 75 cms. Lance-shaped leaves and panicles of pretty, fragrant, white flowers with a pink blush, in summer and autumn. Moist but free draining soil in sun or light shade. Some winter dormancy.