C.alpina Frankie
Mid blue bell shaped 2" (5cm) flowers in
April and May. This recent introduction

Jackmanii Rubra

Closer to Jackmanii Alba than Jackmanii. Velvety-crimson 4-6" (10-14cm) blooms are sometimes quite double in June if left unpruned. Single blooms are then produced into early September. Mature height 12-20' (3.5-6m). Pruning group B2 or C.