Herbaceous Perennial
A low-growing, mat-forming, semi-evergreen to evergreen perennial bearing oval to triangular, toothed, silver leaves with narrow, mid-green margins and spikes of whorled, bright purple flowers in summer.
Position
Full shade, Partial shade
Soil Types
Loam, Sand, Clay, Chalk
Max Height
0.1-0.5 metres
Max Spread
0.5-1 metres