Dark crimson flowers, VII–VIII; dark green foliage; compact; height 31–45cm; spread 46–60cm.
Introduced by Rock Spray Nursery (Truro, Massachusetts, USA) before 1990; this was later queried – we ‘now believe it is either ‘Allegro’ or ‘Corbett’s Red’.’*
Named after the nursery in USA which introduced it.
