Phantom Hydrangea (Tree Form) has giant, densely packed, conical blooms that measure up to 15”. The Phantom (tree form) Hydrangea have upright stems that stay up, without flopping. The Phantom  (tree form) Hydrangea is the only variety that is know to withstand full sun, unlike the other Hydrangea varieties. This Phantom (tree form) is a great addition to any type of garden or landscape. (USDA Zones 5-9)