Color: Blue Flower Size: 6-8″ (15-20cm) Flowering Period: July-Sept Mature Height: 6-9′ (2-3m) Pruning Group: B2 Planting Aspect: Sun/ Partial Shade USDA Zone: 4 Suitable For Container: Yes Foliage: Deciduous Price Group: Standard About Sympatia This Polish variety bred by Stefan Franczak has large 6-8″ (15-20cm) rosy-lilac flowers from July to September. Mature height is 6-9′(2-3m). Pruning group B2.