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Mountain hemlock

Mountain hemlock

Tsuga mertensiana

treeβ›… part shadeπŸ’§πŸ’§ moderate waterZone 5a – Zone 7b

A slow-growing evergreen conifer native to high elevations in the Pacific Northwest, valued for its dense, attractive foliage and compact form. Mountain hemlock thrives in cool, moist climates and makes an excellent specimen tree for alpine or woodland gardens.

Overview

Form
conical to pyramidal
Growth Rate
slow
Size
40–125β€² tall Γ— 20–40β€² wide
Dormancy
evergreen

Tolerances & Soil

low

Flood Tolerance

none
Zone 5aZone 7b
1471013
ColderWarmer
Zone range: Zone 5a to Zone 7b

pH Range

4.57.3
7.0
3.556.589
pH range: 4.5 to 7.3

Soil Texture

Coarse

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

SummerWinter

Canopy

The tallest trees that form the overstory.

Succession Role

mid successionalclimax

Native to the United States

Native Range

Pacific Northwest mountains (Oregon to British Columbia)

Native to: Oregon, Washington

Function & Care

biomass/mulchwindbreak

Establishment & Care

Establishment
moderate
Maintenance
low
Propagation
seed

Companion Planting

Plants well with