Herbaceous Perennial
A herbaceous perennial forming a mound of simple stems of a distinctly dark colour. They bear slightly blue-green leaves which turn yellow in autumn. The flower buds are steely-blue and open to clusters of five-petalled blue stars in late spring to early summer
Position
Full sun, Partial shade
Soil Types
Chalk, Clay, Loam, Sand
Max Height
0.5-1 metres
Max Spread
0.5-1 metres