'C. 'Bluebird'' clematis Description
Atragene Group, Early Small Flowered, Group 1, Macropetala Group.
Blue. 4 petals. Average diameter 2.25". Semi-double, bell-shaped bloom form. Mid-to-late spring, occasional flowers later.
Height of 8' to 10' (245 to 305 cm).
USDA zone 3b through 9b. Plant in sun or partial shade. Suitable for growing in a container. No pruning required. Shape or tidy up the plant AFTER flowering is finished. It blooms on the previous year's growth, so resist the urge to prune it in early spring.