Distinct American hybrid. Clear yellow flowers over holly-like leaves. Plant in light shade, away from summer drought and winter waterlogging, but water in well in its first year.
Wave blooming, cherry blossom petalled pin. White flowers with merest hint of blue. Darker blue reverse. Tends to be lower growing than average. Slow to clump and relatively difficult.
Tough, spreading evergreen perennial. Golden yellow flowers over fresh bronze leaves in early spring. Plant in light shade, away from summer drought and winter waterlogging, but water in well in its first year.
Flat blooming, often with slight curl at the petal edge, cherry blossom petalled thrum. White-edged purple/magenta coloured flowers, which tend to be smaller than average.
American hybrid (Sunshowers Fariy Wings). Abundant flowers yellow petals and pale pink sepals on spikes to 30cm. Semi evergreen. Humus rich in light shade