Tsuga mertensiana is a large evergreen conifer growing up to 20 to 40 meters (66 to 131 feet) tall, with exceptional specimens as tall as 59 m (194 ft) tall. They have a trunk diameter of up to 2 m (6 + 1 ⁄ 2 ft).

Conifer, evergreen tree, 30-100 ft (9-30 m), narrowly conical, branches and twigs thin and nodding; bard charcoal gray to reddish brown, scaly and deeply fissured.

While long known as true Northwest Cascades native, growing to height of 60-100’ (but very narrow in width), this hemlock is also grown as a yard ornamental for gardeners looking for a tough, slow growing pyramidal conifer with tight foliage. This is an evergreen tree bearing flattened, single needles, spirally arranged around the limbs.

Tsuga Species: mertensiana Family: Pinaceae Uses (Ethnobotany): The mountain hemlock is used primarily as an ornamental. Its wood is inferior to the western hemlock and is not typically used for lumber or pulpwood. This tree grows in high altitudes which also …

One of the most widespread mountain hemlock communities is the mountain hemlock-Pacific silver fir/big huckleberry (Tsuga mertensiana-Abies amabilis/Vaccinium membranaceum) type found in British Columbia (9) and the Oregon and Washington Cascades (1,20).

Bright green lichen grows on the trunks of Mountain Hemlocks above the snow line in Crater Lake National Park. In the Landscape: Some consider the Mountain Hemlock to be the best native conifer for a small garden. It can be used as a specimen tree in a container or to create a focal point in a rock garden.

2025年2月10日 · Description of the evolution, biology, distribution, ecology, and uses of Tsuga mertensiana (mountain hemlock).

Tsuga mertensiana is a superbly snow-adapted species, growing even where snow-pack lies deep and late. This image was taken during an early summer 'Junuary' snowstorm, with winter snow still lying after a cold, wet spring (Mt Hood, OR, around 1900 m asl; 13th June 2022).

Tsuga mertensiana is a tree that is native to California, and also found elsewhere in North America and beyond.

The word tsuga is the Japanese name for the native hemlocks of Japan. The word mertensiana is named for Karl Heinrich Mertens (1796-1830), German naturalist and physician, who discovered it at Sitka, Alaska.