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Mountain hemlock on a mountain slope · Photo: Walter Siegmund, CC BY-SA 3.0

Photo credits
  1. Mountain hemlock on a mountain slope. Photo by Walter Siegmund, CC BY-SA 3.0, via Wikimedia Commons.
  2. Mountain hemlocks in a subalpine meadow. Photo by Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, via Wikimedia Commons.
  3. Mountain hemlock cones. Photo by Peter Stevens from Seattle, CC BY 2.0, via Wikimedia Commons.
  4. Mountain hemlock foliage. Photo by Vertaholic, CC BY-SA 4.0, via Wikimedia Commons.

Evergreen conifer

Mountain Hemlock

Tsuga mertensiana

A slow, sculptural alpine native with blue-green needles. Good for small gardens and rockeries.

Max height
30 ft
Typical height
20 to 30 ft
Spread
10 to 15 ft
Growth per year
6 in or less
Growth rate
Slow
Light
Sun to part shade
Hardiness zones
5 to 8
Native to
Mountains of western North America, Alaska to California
MaintenanceLow

Wants cool roots, mulch and summer water. No pruning.

Specimen

See it at scale

Mountain Hemlock, up to 30 ft tall and 15 ft wide

Compare with

Similar trees

Same use, closest in size

Shore Pine

Pinus contorta var. contorta

Height20 to 35 ftSpread15 to 25 ftGrowth1 to 2 ft / yrZones6 to 9
Low maintenance

Weeping Alaskan Cedar

Callitropsis nootkatensis 'Pendula'

Height25 to 35 ftSpread8 to 12 ftGrowthAbout 1 ft / yrZones4 to 8
Low maintenance

Austrian Pine

Pinus nigra

Height40 to 60 ftSpread20 to 40 ftGrowth12 to 18 in / yrZones4 to 7
Low maintenance