Herbaceous Perennial
An evergreen, clump-forming perennial to 1m tall. In summer, lavender-blue flowers with a darker stripe down the centre of each petal emerge from rich purple buds to form a rounded head borne on a sturdy upright stem
Position
Full sun
Soil Types
Chalk, Loam, Sand
Max Height
0.5-1 metres
Max Spread
0.1-0.5 metres