Oriental Arborvitae
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Oriental Arborvitae
 
(Platycladus orientalis)
 
NORTHWEST CORNER OF OLD MAIN
 
34 Classic foundation shrub, now grown huge

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In Depth Platycladus orientalis, Oriental Arborvitae
Location: NORTHWEST CORNER OF OLD MAIN
Family: Cupressaceae
Distribution: Western China and North Korea; northeastern Iran
Habitat: Steep rocky hillsides and cliffs
Habit: Dense shrub-like conifer with conical form
Flowering: Female cones are small bluish-green, male cones are small and inconspicuous
Natural History Notes: This evergreen tree has become very popular for landscaping purposes throughout the world for many years, especially in the south, southwestern sections of the U.S., southern Europe, and eastern Asia. It is one of the standard evergreens for low maintenance in mesic gardens. Foliage has a vertical quality. Even older specimens usually keep their foliage dense all the way to the ground, making the species a common choice for wind breaks and screening. Arborvitae is reasonably very tolerant in chalky or alkaline soils, which is commonly the situation in arid areas. However, no one would call it a desert plant.