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.
With its big strikingly blue flowers which resemble those of Poppies, this is an unusual garden plant. Needs cool, sheltered position and rich soil. Height 100 cm. Spread 45cm.
