Color: Blue Flower Size: 4-6″ (10-15cm) Flowering Period: June-Sept Mature Height: 4-6′ (1-2m) Pruning Group: B2 Planting Aspect: Sun/ Partial Shade USDA Zone: 4 Foliage: Deciduous Suitable for Container: Yes Price Group: 2 About Konigekind A recent German introduction. This royalty protected variety has 4-6″ (10-14cm) mauve-blue cup shaped flowers that are free flowering on a compact 4-6′ (1-2m) plant. Blooming time is late spring to early autumn. Pruning group B2.