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Portland Nursery

STEWARTIA

Stewartias are specimen quality trees that are native to Japan, Korea, and the southeastern U.S. All are slow-growing, all-season performers that show off fresh green leaves in spring, white flowers resembling single camellias in summer, and colorful foliage in autumn. Exfoliating bark creates a beautiful spectacle in winter after leaves fall. Stewartias look wonderful in woodland settings or placed as specimens against darker backgrounds.

Fall color and exfoliating bark are some of their best characteristics. Stewartias should not be hidden in the garden. Use them as a focal point to sit back and enjoy year round.

Stewartia Species

Stewartia koreana Korean Stewartia – S. koreana: Similar but smaller than S. pseudocamellia, dense 20-30’, pyramidal, orange- red in fall, 3” June-July white blooms are more open than others, very showy bark flakes off to show a patchwork of green, gray, brown, rust, terra-cotta, and cream.

S. koreana has been reported to be the most heat tolerant. Zones 5-8

Silky Stewartia – S. malacodendron:
The silky Stewartia has large white flowers, 2-3” wide with purple anthers. Flowers are born in summer. This rare specimen grows 12-15’ tall and wide sometimes taller and wider. Great red to deep purple fall color. Likes to grow in a moist well drained location. Native to SE united states. Zones (6) best in 7-9

Stewartia monadelpha Tall Stewartia – S. monadelpha:
Grows to 25’ t x 20’w, slender upward angled branches, often shrubby, leaves turn brilliant red in fall, small 1½” cupped flowers, rich brown, small scaled bark when young, smooth cinnamon-colored bark with age, very heat tolerant. Zones (5) Best in 6-8

Mountain Stewartia – S. ovata
Shrub or tree 10-15’high and wide, distinctly zigzag branching, leaves grow 2-5” long, turn orange to scarlet in fall, flowers 3” have frilled petals, non-descript bark. Zones 5-9

Stewartia pseudocamellia Japanese Stewartia – S. pseudocamellia
Japanese Stewartia is a small to medium sized pyramidal-oval tree 30-40’, 20-25’wide dark green leaves may turn yellow, red to dark reddish purple in fall, 2½”white cupped blooms and orange anthers in July, very showy bark shows a patchwork of green, gray, brown, rust, terra-cotta, and cream. Zones (4) best in 5-9
StewartiaRostrata Stewartia – S. rostrata:
Upright tree to 15’ (can reach 40’ in the wild) Grayish ridged furrowed bark. Flowers buds surrounded by reddish tinged bracts, 2-21/2” diameter white flowers. Zones 6-8

Sawtoothed Stewartia – S. serrata: Saw toothed Stewartia is a small Japanese tree with a height to about 30’. Flowers may appear earlier than other species. Zone 6

Chinese Stewartia -S. sinensis Chinese Stewartia – S. sinensis: Small tree or shrub 15-25’, rich, light tan-white amazing bark is smooth like marble, on young plants, bark exfoliates in long sheets, leaves turn subdued red in fall, white fragrant cup-shaped 1½” blooms. Zones 6-9

Silky Stewartia – S. malacodendron:
The silky Stewartia has large white flowers, 2-3” wide with purple anthers. Flowers are born in summer. This rare specimen grows 12-15’ tall and wide sometimes taller and wider. Great red to deep purple fall color. Likes to grow in a moist well drained location. Native to SE united states. Zones (6) best in 7-9

Stewartia

Stewartia pseudocamellia

FACTS: STEWARTIA

Family: Theacaea

Common name: Stewartia

Native: Most of the species are native to eastern Asia in China, Japan, Korea, Laos, Myanmar, Thailand, and Vietnam, with two (S. malacodendron, S. ovata) in southeast North America, from Virginia and Kentucky south to Florida and Louisiana

Foliage: Alternately arranged, simple, serrated, usually glossy, green in summer purples to oranges in fall.

Flowers: Perfect, white – Born July – August 21/2” – 3” in diameter

Size: 10’ – 40’ tall and 15-25’ wide

Light: Best in partial shade will tolerate full sun with generous water.

Soil: Moist well drained, like acid soil

Disease: Insect and disease free

Hardiness: Zone (4) best in 5-8