Clematis ‘Dorothy Toliver’ (syn. ‘Dorothy Tolver’) (Jonathan Gooch 1987) – A fairly recent English introduction which resulted as a cross between ‘Niobe’ and ‘Vyvyan Pennel’. It bears large 6″-wide flowers of a rich mauve-pink in late spring and repeats in August- September. The blooms are occasionally semi-double. Grows 8-12′ high. Pruning group B. Hardy to zone 4.
Clematis ‘Honora’ – (Alistar Keay 1998) – This possible sport of ‘Gypsy Queen’ was discovered by a Mrs. Edwards of Christchurch, New Zealand. It bears large violet-purple blooms accented with a darker raspberry bar (with complimenting red stamens) from June through to September. This vigorous cultivar requires hard pruning. Grows 9-12′ high. Pruning group C. Hardy to zone 4.
Clematis VANCOUVER ‘Mystic Gem’ (Weins 2014) – This Canadian introduction from Clearview Horticultural Products was bred for disease resistance and its showy 6-8″ wide flowers. The white blooms have prominent pink bars and beautiful purple tipped stamens. Flowers in May and June, and again in September. Grows 6-9′ high. Pruning group B. Zone 4.
Clematis ‘Deborah Dahl’ (syn. VANCOUVER ‘Deborah Dahl’) (Weins 2014) – Another Clearview introduction which was named after the sister of the breeder, Fred Weins Sr. It bears large 7-9″ flowers of pale lavender which are nicely contrasted by red-tipped stamens. ‘Deborah Dahl’ blooms from May to June and again in September. Grows 6-9′ high. Pruning group B. Zone 4.
Clematis ‘Westerplatte’ (Franczak 1994) – This Polish introduction was named after a division that defended the Westerplatte peninsula against the Nazis in WWII. It produces 4-5″ wide flowers of a true velvety-red with contrasting yellow stamens (also red-tipped), blooming in spring on old wood and also in late summer. Grows 6-8′ high. Pruning group B or C. Z4.