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Juniperus occidentalis Hook.
USDA Symbol: juoc
USDA Native Status: Native to U.S.
Western juniper is a 15-50 ft., evergreen tree with a massive, squat trunk; large, wide-spreading branches; and reddish-brown, shreddy bark. Foliage is gray-green and berries are blue-black at maturity. Younger specimens are more trim and erect than their mature counterparts, with paler green foliage.
Western Juniper is common at high altitudes in the Sierra Nevada. Giants reach a trunk diameter of 16 (5 m) and an estimated age of more than 2000 years. This species may develop thick, long roots that entwine rock outcrops, mimicking the shape of the branches.
Plant CharacteristicsDuration: Perennial Habit: Tree Leaf:
Green Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: Apr , May
CA , ID , NV , OR , WA Native Distribution:
Mts. from c. & s.e. WA, to CA, s.e. ID & NV Native Habitat:
Dry slopes & flats from 3000-10,500 ft. USDA Native Status: L48(N)
Growing ConditionsWater Use: Low
Light Requirement: Sun
Soil Moisture: Dry
CaCO3 Tolerance: High
Soil Description: Rocky soils.
Conditions Comments: Trees often grow from cracks in the solid granite of higher mts. and become picturesque specimens. In favorable conditions, trees may attain a diameter of 25 ft. and an estimated age of 3000 years.
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Native Seed Network
- Corvallis, OR
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Record Modified: 2007-01-01
Research By: TWC Staff