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Tamarack

Tamarack (*Larix laricina*), also called eastern larch or American larch, is a deciduous conifer native to North America.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 27, 2026|2 min read| Fact-checked

Tamarack (Larix laricina), also known as eastern larch or American larch, is a deciduous conifer native to North America. It is notable for its soft needles that turn yellow and fall in autumn, and its preference for wet, cold habitats such as bogs and swamps. The species has a broad Canadian range, occurring across nearly all provinces and territories.

Description

Tamarack is a slender, pyramid-shaped conifer that typically reaches 40–80 feet (12–24 m) in height. It has soft needles, small cones, and reddish-brown bark. Unlike most conifers, tamarack is deciduous, meaning it loses all its needles in the fall.

Distribution and habitat

The species is widespread across Canada and parts of the northern United States, with isolated populations in Alaska. It is most often associated with swamps, bogs, and other wet, poorly drained sites. Tamarack commonly grows in cold, wet, organic-rich soils.

Ecology

Tamarack is adapted to cold climates and often grows in saturated, organic-rich soils. Its stands can support a range of birds and other wildlife, though it is not a major food source for many species. In some wetland habitats, it may occur in pure or near-pure stands.

Uses

The wood of tamarack is valued mainly for pulpwood and some low-volume utility uses such as posts, poles, ties, and cribbing. It is also used locally for fuel and some lumber. The tree is planted as an ornamental species for its seasonal colour and distinctive form.

Key facts

  • Tamarack is a conifer that sheds its needles each fall, unlike most evergreens.
  • It is native across much of Canada, from eastern Yukon and the Northwest Territories to Newfoundland, and into the northern United States.
  • The species often grows in cold, wet, poorly drained soils, especially bogs and swamps.
  • Its needles are soft and turn golden-yellow before dropping in autumn.
  • Tamarack wood is used for pulpwood and, locally, for posts, poles, ties, and other utility products.
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Canadian context

Tamarack is a distinctly Canadian tree in both range and identity, occurring across nearly all provinces and territories and in many wetland ecosystems. It is one of the best-known deciduous conifers in Canada and appears in provincial references such as Ontario’s species pages.[8][11]

Frequently asked questions

Is tamarack a pine tree?
No. Tamarack is in the pine family, Pinaceae, but it is a larch in the genus Larix.
Does tamarack lose its needles?
Yes. Tamarack is a deciduous conifer and sheds its needles every fall.
Where does tamarack grow naturally?
It grows across much of Canada and in northern parts of the United States, especially in cold, wet habitats such as bogs and swamps.
How tall does tamarack get?
Mature trees are commonly about 40 to 80 feet tall, though size varies with site conditions.
What is tamarack wood used for?
It is used mainly for pulpwood and, locally, for posts, poles, ties, cribbing, fuel, and some lumber.

References

  1. Wikipediahttps://en.wikipedia.org/wiki/Larix_laricina
    Supports: Scientific name, common names, and broad native range across Canada and the northern United States.
  2. Tamarack Nature Preservehttps://www.tamaracknaturepreserve.org/fun-facts
    Supports: Deciduous conifer nature, seasonal needle colour change, and general ecological notes.
  3. Minnesota DNRhttps://www.dnr.state.mn.us/trees/tamarack.html
    Supports: Habitat, uses of the wood, and occurrence in northern wetlands.
  4. Government of Ontariohttps://www.ontario.ca/page/tamarack
    Supports: Scientific name and common names used in Canada.
  5. Wild Adirondackshttps://wildadirondacks.org/trees-of-the-adirondacks-tamarack-larix-laricina.html
    Supports: Typical height and wetland habitat description.
  6. Virginia Tech Dendrologyhttps://dendro.cnre.vt.edu/dendrology/landowner_detail.cfm?ID=159
    Supports: Deciduous conifer status and habitat preferences.
  7. USDA Plantshttps://plants.sc.egov.usda.gov/DocumentLibrary/plantguide/pdf/pg_lala.pdf
    Supports: North American distribution, including Canada and northeastern United States.
  8. Concordia Universityhttps://www.concordia.ca/artsci/loyola-college-diversity-sustainability/Larix_laricina.html
    Supports: Canadian range and bog/swamp habitat.