Herbaceous Perennial
A mound-forming deciduous perennial with toothed and veined, ovate-shaped dark green leaves. Trumpet-shaped, lightly fragrant flowers, lilac to purple coloured, are borne on upright stems throughout the summer.
Position
Full sun, Partial shade
Soil Types
Chalk, Loam
Max Height
0.1-0.5 metres
Max Spread
0.5-1 metres