Некоторые его в 4 зону запихивают:Oxydendrum arboreum - Sourwood Zone 4 to 7    SEE ZONE MAP Exceptional ornamental with handsome glossy summer foliage. A medium tree to 45 feet, it prefers full sun and an acidic, well drained soil. Honeybees relish the nectar of the delicate, heather like blooms. Autumn is a further pleasure for senses, as the foliage shows off its rich blends of orange, red and yellow.