RHS An herbaceous perennial that reaches approximately 74cm in height when in flower. It forms a clump of arching, strap-like green leaves and large, fragrant, unusual, wavy-edged, pale-lavender coloured flowers that have a large, pale yellow throat to 17cm across in summer
Position
Soil Types
Max Height
0.5-1 metres
Max Spread
0.1-0.5 metres