Herbaceous Perennial
A rosette-forming perennial with large coarse-looking green foliage and tall thin spikes of a metre in length holding pendent, nodding clusters of violet-blue flowers in summer. A native of steppes in Eastern Europe.
Position
Full sun
Soil Types
Loam, Sand, Chalk
Max Height
1-1.5 metres
Max Spread
0.1-0.5 metres