Color: Purple Flower Size: 6-8″ (15-20cm) Flowering Period: May June & Sept Mature Height: 5-8′ (2-3m) Pruning Group: B1 Planting Aspect: Sun/ Partial Shade USDA Zone: 4 Suitable For Container: Yes Foliage: Deciduous Price Group: 2 About Clematis Vancouver™ Danielle A Clematis Vancouver™ Clearview Introduction named after the granddaughter of the breeder (Fred Wein Sr.). A cross Between The President and Violet Charm. Danielle, has the wonderful color of the President and the excellent flower form of Violet Charm. This compact 5-8′ (1.5-3m) variety has deep purple blue flowers with striking red tipped stamens. The blooming time is late spring and again in early autumn. Pruning group B1.