Page authors: Don Knoke, David Giblin
Juniperus communis
common juniper, mountain juniper

Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America, except for the southern Great Plains and south-central U.S., to the Atlantic Coast.

Habitat: Lowland forest edge and balds to open, rocky alpine areas.

Cones: April-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Wind


Prostrate, dioecious shrub or small tree 1-3 m. tall.


The bark very thin, reddish-brown, shredding and scaly.


Leaves mostly in 3u00e2u20acu2122s, needle-like to narrowly lanceolate, stiff and pungent, 7-12 mm. long, jointed at the base of the free portion, concave and whitish on the lower surface, dark green above.


Staminate cones ovoid, 3-5 mm. long, with 12-16 stamens; ovulate cones maturing the second season, berry-like, bluish-black, 6-9 mm. long, 1- to 3-seeded.

Accepted Name:
Juniperus communis L.
Publication: Sp. Pl. 2: 1040. 1753.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Juniperus communis in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Juniperus communis checklist entry

OregonFlora: Juniperus communis information

E-Flora BC: Juniperus communis atlas page

CalPhotos: Juniperus communis photos

35 photographs:
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