RHS Herbaceous Perennial
'Prince of Wales' forms a very large, dense mound of foliage with silvery grey-green leaves and lavender flowers, borne on slightly-arching grey-green stems to 90cm high, in midsummer
Position
Full shade, Partial shade
Soil Types
Clay, Loam
Max Height
0.5-1 metres
Max Spread
0.5-1 metres