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.
Aromatic grey-green foliage. Dark lavender-blue flowers come in flushes from early Summer. Will continue to Autumn once deadheaded. Height 60cm. Spread 80cm. Drought tolerant.
Bushy, clump-forming. Useful for edging. Loose spikes of soft lavender-blue flowers in July-Aug. Height 45 cm. Position in full sunlight and in well drained soil.