Northwest Conifers

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Rocky Mountain Juniper Juniperus scopulorum

Leaves: The scale-like leaves are arranged in opposite pairs. They are green or gray-green, with no resin dots like those on Western Juniper.

Twig

Cones: The cones form small,soft, juicy berries that are blue and coated with a white film.

Bark: The bark is reddish-brown. On larger trees, it breaks into flat ridges with long flaky scales.

Bark

Where it grows: Rocky Mountain Juniper is not common in the Northwest. It grows in a few mountainous, dry areas in central Washington and the northeast corners of Oregon and Washington. It also grows throughout much of the Rocky Mountains.

Map

USGS Distribution Map

Seaside  juniper: Curiously, some of these junipers grow in the Puget Sound area. Based on DNA analysis, they have recently been classified as a separate species: Seaside juniper (Juniperus maratima.) Although these junipers live in a very different habitat from the Rocky Mountain junipers east of the Cascades, they look very similar. The best way to distinguish them is by location.

Uses: There are several popular cultivars of this species. It is also a popular bonsai plant.

Names: The name scopulorum refers to "tree growing in rocky ground."
Pronounce Juniperus scopulorum.

Tree


© 2012 Ken Denniston