Distribution: Occurring chiefly west of the Cascades crest and in the northeast counties in Washington; Alaska to California, also in southeastern British Columbia, northern Idaho and western Montana.
Habitat: Moist, deep forests from sea level to middle elevations in the mountains
Growth Duration: Perennial
Conservation Status: Not of concern
Trees to 50 m. tall, with a narrow crown, the leader and branches drooping.
Bark dark brown to reddish-brown, becoming thick and furrowed, cross-ridged to form small scales; young branches with both short and long pubescence.
Needles flat, grooved, glossy yellow-green on the upper surface, white over most of the lower surface, 8-20 mm. long, highly variable in length, spread at right angles to the branches.
Staminate cones yellow, 3-4 mm. long, on short stalks near the branch tips; ovulate cones ovoid, 1.5-2.5 cm. long, greenish, becoming brown, single at the branch tips.
PNW Herbaria: Specimen records of Tsuga heterophylla in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Tsuga heterophylla checklist entry.
OregonFlora: Tsuga heterophylla information.
E-Flora BC: Tsuga heterophylla atlas page.
CalPhotos: Tsuga heterophylla photos.
USDA Plants: Tsuga heterophylla information.