RHS An herbaceous perennial that reaches approximately 89cm in height when in flower. It forms a clump of arching, strap-like, green leaves and fragrant, nocturnal, rich, grape-purple flowers that have a dark merlot-purple eye and edge, white mid-ribs above a greenish-yellow throat to 20cm across in summer
Position
Soil Types
Max Height
0.1-0.5 metres
Max Spread
0.1-0.5 metres