Herbaceous Perennial
A compact perennial to 30cm tall and 60cm wide with aromatic, bluntly toothed, grey-green leaves. Spikes of deep purple-blue flowers in tiered whorls are produced from summer into early autumn
Position
Full sun, Partial shade
Soil Types
Chalk, Loam, Sand
Max Height
0.1-0.5 metres
Max Spread
0.5-1 metres