· japanese stewartia is a deciduous tree that ranges from 12 to 40 feet tall, with a slightly smaller spread. · in this article, i’ll go over japanese stewartia ’ s traits, its preferred growing conditions, and how to care for the tree. Tall (3. 6-12 m) and 8-25 ft. Typically grows up to 12-40 ft. Slow-growing, japanese stewartia features an elegant pyramidal habit and is one of the glories of the garden. The japanese stewartia is a small to medium-sized deciduous flowering tree with multi-season interest. Wide (2. 4-7. 5 m) It is multistemmed and pyramidal to oval-shaped with low branches. Japanese stewartia are small to medium sized trees with a pyramidal or columnar shape. Stewartia pseudocamellia, commonly called japanese stewartia , is a small, slow-growing, pyramidal, deciduous tree native to the mountains of japan and the korean peninsula. If you didn’t know about the japanese stewartia before, i’m pretty sure you’ll be planning to add one to your garden before you’re finished reading. Winner of the prestigious award of garden merit of the royal horticultural society. Small white flowers with yellow centers bloom in summer. When grown as multi-stemmed shrubs, they generally only reach to 15 tall. · native to japan, this small specimen tree is known for its attractive exfoliating bark and delicate blooms in the late summer and fall that closely resemble camellias, as evidenced by its species name, stewartia pseudocamellia. It’s multi-stemmed and shrubby in habit, growing in a pyramidal to oval shape. When grown as trees, they can reach up to 40.