Herbaceous Perennial
A robust, herbaceous perennial forming large clumps of upright stems with dark green ovate leaves. Tightly-packed terminal racemes of small, deep violet-blue bell-shaped flowers provide a long flowering display in summer
Position
Full sun, Partial shade
Soil Types
Chalk, Sand
Max Height
0.1-0.5 metres
Max Spread
0.5-1 metres