Herbaceous Perennial
An upright perennial to 75cm tall, of loose, open habit, with oval, grey-green leaves to 10cm long, and long, lax spikes of deep indigo-blue flowers over a long period in summer
Position
Full sun
Soil Types
Chalk, Loam, Sand
Max Height
0.5-1 metres
Max Spread
0.1-0.5 metres