Michigan State University Extension
Ornamental Plants plus Version 3.0 - 00001444
11/12/99

Thuja orientalis (Platycladus orientalis)--Oriental Arborvitae


Hardiness Zones: 6 to 11
Height: 20 ft Spread: 12 ft Form: pyramidal
Type: narrow-leaved shrub
Annual Growth Rate: less than 12 inches

Comments: Oriental Arborvitae is less hardy than American
Arborvitae. The species (Vis. 1) grows 18 to 25 feet tall
and spreads 10 to 12 feet. It tolerates pruning and can be
used as a hedge plant.

Cultivars:
'Aurea Nana' - A pyramidal form with golden-yellow
foliage.
'Blue Cone' - A pyramidal form 8 feet tall and 4 feet
wide with bluish-green foliage.
'Collen's Gold' - A narrow, upright form with orange-
yellow foliage.
'Elegantissima' - A narrow pyramid with dark green
foliage tipped with gold.
'Minima Glauca' - A pyramidal to rounded plant with
bluish-green foliage. Usually with a height and
width of about 4 feet.
'Westmont' - Slow growing, globe form (Vis. 2) with dark
green foliage tipped with gold (Vis. 3). A height of
about 3 feet and a width of 2 feet.

References for Cultivars: Zelenka Nursery 1995, Lake
County Nursery 1995, Monrovia Nursery Company 1997, Iseli
Nursery 1999, Gee Farms 1999.


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