RHS Conservatory Greenhouse Herbaceous Perennial
A lush, clump-forming perennial to 1m with large, lance-shaped leaves, dark green above, paler beneath, on long stems. In summer, stems up to 65cm tall carry clusters of small, pale green flowers with four large, pale green, leaf-like bracts and long, pale green 'whiskers', all suffused with grey
Position
Full sun, Partial shade
Max Height
0.5-1 metres
Max Spread
0.5-1 metres