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Lewis and Clark
SHOWING RECORD: 39 of 50   Mountain Hemlock
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image: Mountain Hemlock
Photograph by Gary Braasch/Corbis
Mountain Hemlock

Tsuga mertensiana



First Noted by Expedition
February 5, 1806, at Fort Clatsop, Oregon.
 

Description
Tree with tapering trunk, conical crown of slender horizontal or drooping branches, and very slender, curved, drooping leader; a prostrate shrub at timberline. Needles evergreen. Height: 30-100 ft (9-30 m). Diameter: 1-3 ft (0.3-0.9 m).
 

Habitat
Moist, coarse or rocky soils, from sheltered valleys to exposed ridges; with firs and in mixed coniferous forests.
 

Range
Southern Alaska southeast along Pacific Coast to British Columbia and in mountains to central California; also southeastern British Columbia south in Rocky Mountains to northern Idaho and northeastern Oregon.
 

Note
Mountain hemlock is a characteristic species of high mountains, varying greatly in size from a large tree at low altitudes to a dwarf, creeping shrub at the timberline.

Species information from enature.com
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