Color: Purple Flower Size: 5-7″ (12-18cm) Flowering Period: June-Sept Mature Height: 9-12′ (3-4m) Pruning Group: C Planting Aspect: Sun/ Partial Shade USDA Zone: 3 Suitable For Container: Yes Foliage: Deciduous Price Group: Standard About Gypsy Queen Velvety plum-purple 5-7″ (12-18cm) flowers from July to September. Mature height 9-12′ (3-4m). Pruning group C.