Glowing amethyst (H1) flowers, VII–XI; dark green foliage; height 31–45cm; spread 61–75cm. It can have an untidy habit but in bloom is outstanding. Almost a bi-colour, with the process the other way round, as buds open white and blooms turn lilac-purple [RHS 78A].
Introduced by J. F. Letts before 1963.
Name unknowned.
