Tsuga mertensiana (N)

Common name: mountain hemlock

Family name: Pinaceae

Useful cultivars and selections:  ‘Elizabeth’

USDA Hardiness Zone:  4

Mature height and spread:  12m; 8m

Form: evergreen conifer

Water use: medium

Soil requirements: rich, well-drained soil, full sun to part shade

Leaf arrangement:  needles radially around the stem, 10-20mm, stomatal lines on both sides, “Base attached to the stem via a roundish “peg” and short petiole (Oregon State University, Landscape Plants), the needles on short shoot are grouped in star-like clusters.

Flower/cone/fruit description(s):  cones are stalkless, 5-8cm

Limitations: do not like dry wind and air pollution

Suitable uses:  specimen

Quick ID description:  stomatal line on both sides, stalkless

Photographs: http://oregonstate.edu/dept/ldplants/tsme.htm