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Pacific hemlock

Tsuga heterophylla

Last reviewed: August 2026

Pacific hemlock (Tsuga heterophylla)
Photo: (c) Lyrae, some rights reserved (CC BY), uploaded by Lyrae

Light

shade

Water

medium

Size

1200"–2400" H × 300"–420" W

Bloom

Apr, May

Native to

CA, ID, MT, OR and 1 more states

Pollinators

wind pollinated

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This hemlock is a large, shade-tolerant evergreen conifer with short, flat needles of uneven length and a graceful, drooping leader. It grows in coniferous forest, often regenerating in deep shade beneath other trees.

Wildlife value

As a wind-pollinated conifer it offers little to pollinators, but its dense, layered branches provide important cover and nesting habitat for forest birds.

Common questions

How much sun does Pacific hemlock need?
Pacific hemlock grows best in shade conditions.
When does Pacific hemlock bloom?
Pacific hemlock blooms in April and May.
Where is Pacific hemlock native?
Pacific hemlock (Tsuga heterophylla) is native to CA, ID, MT, OR and 1 more states, per vouchered herbarium specimen records and regional native plant society lists.
What pollinators does Pacific hemlock attract?
Pacific hemlock draws wind pollinated.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

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