Color: White Flower Size: 5-7″ (12-18cm) Flowering Period: May June & Aug Mature Height: 6-9′ (2-3m) Pruning Group: B1 Planting Aspect: Sun/ Partial Shade USDA Zone: 4 Suitable For Container: Yes Foliage: Deciduous Price Group: Standard About Snow Queen A good white from New Zealand. 5-7″ (12-18cm) flowers, white with a hint of blue at the margins, and striking dark tipped stamens. The blooming time is May, June and August on a compact 6-9′ (2-3m) plant. Pruning group B1.