A well known plant from olden days. Ideally put at the back of a border, where its dark blue flower spikes with their white centres will be spectacular. Needs some support. Height 150 cm. Spread 60 cm.
The silver veined dark green foliage is very impressive when it reappears. The stiff steely blue flowerstems and flowers add to its magic in summer. Height 60 cm. Spread 40 cm.
An excellent groundcover plant. The large violet blue flowers have a white centre and a touch of red. Attractive foliage with good autumn colour. Height 30 cm. Spread 60 cm.
Ideal plant for cottage garden! The plant will be smothered by large blue flowers with darker veins. These pale to pearly grey when maturing. Height 40 cm. Spread 60 cm.
The violet-blue flowers have white centres and appear from late spring to November. Rewarding plant, rich flowering and a strong grower. Height 45 cm. Spread 50 cm.
The evergreen and stiff leaves will add interest to your border. The pale china blue flowers appear from early to late summer. Likes a sunny position. Height 40 cm. Spread 30 cm