RHS / Joanna Kossak Herbaceous Perennial
A clump-forming tuberous perennial with ovate, dark green leaves and tall, sturdy spikes of fragrant long white tubular flowers with contrasting velvety-looking deep purple mouths, which appear in the summer
Position
Partial shade
Soil Types
Loam, Sand
Max Height
0.1-0.5 metres
Max Spread
0.1-0.5 metres