Arborvitae, Oriental
Thuja (Platycladus) orientalis
Cupressaceae - Cypress

Description

See Northern White-Cedar.

Leaves: Bright yellowish or medium green in summer, but can turn brown during winter; scales triangular, in pairs, bluntly pointed, grooved on back side, small (1/16" to 1/8" long); branchlets almost vertical, somewhat flattened; resinous smell when crushed; evergreen.

Twigs/buds: Twigs arranged in vertically flattened sprays.

Flowers/fruit: Monoecious; fruit a cone; 1/3" to 1" long; upright; 6 to 8 scales, thicker than above.

Bark: Grayish-brown, orange, or reddish-brown; thin, shredding, fibrous, and stringy; it is often separated into long strips.

Wood: Information unavailable.

General: Native to Korea, Manchuria, and northern China. Medium to slow growth. Prefers abundant water, but may survive on drier sites.

Landscape Use: Planted in Utah, but generally not very cold hardy and will winter burn. Not as desirable as Thuja occidentalis. Zones 6-9.

Cultivars: 'Aurea Nana', 'Baker', 'Beverleyensis', 'Blue Cone', 'Bonita', 'Compacta', 'Conspicua', 'Elegantissima', 'Filiformis Aurea', 'Filiformis Erecta', 'Fruitlandii', 'Golden Ball', 'Green Cone', 'Juniperoides', 'Meldensis', 'Minima', 'Pyramidalis', 'Sieboldii', 'Westmont'.

Characteristics

General

Family Cupressaceae - Cypress
Cultivar Availability Yes
Hardiness Zone 6-9
Type Conifer
Utah Native No

Growth

Growth Rate Low
Mature Height Medium
Longevity Medium
Is Good Under Power Lines No
Crown Shapes Pyramidal

Ornamental

Bark No
Fall Color No
Flowers No
Foliage Yes
Fruit Yes

Tolerance

Shade Low
Salt Low
Drought Medium
Poor Drainage High
Alkalinity High
Transplanting Medium