RHS 1999 
Herbaceous Perennial
Clump-forming perennial about 90cm tall, with lance-shaped mid-green leaves, and bearing large clusters of greenish-white flowers, the outer petals with a central deep purple blotch, the inner ones with a brown-flecked yellow flush in the throat
Position
Full sun, Partial shade
Soil Types
Chalk, Clay, Loam, Sand
Max Height
0.5-1 metres
Max Spread
0.1-0.5 metres