RHS An herbaceous perennial that reaches approximately 81cm in height when in flower. It forms a clump of arching, strap-like green leaves and unusual, wavey-edged, lavender-purple flowers, edged white with a darker purple eye-zone above a green throat to 15cm across in summer
Position
Soil Types
Max Height
0.5-1 metres
Max Spread
0.1-0.5 metres