Herbaceous Perennial
A compact perennial to 60cm tall and 30cm wide with upright stems bearing pale to mid-green, aromatic, bluntly-toothed leaves. Whorls of violet-blue flowers to 2.5cm long are borne on long spikes from summer into autumn
Position
Partial shade
Soil Types
Chalk, Loam, Sand
Max Height
0.5-1 metres
Max Spread
0.1-0.5 metres