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Tamarack (Larix laricina)


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At a glance

Names

Latin (scientific) name: Larix laricina

Common English name: Tamarack

Other names: Hackmatack, Eastern Larch, American Larch, Alaska Larch, Juniper

French name: Mélèze laricin

Type

conifer tree icon

Deciduous-Conifer

Plant Hardiness Zone

0a, 0b, 1a, 1b, 2a, 2b, 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b

Status

species native to Canada

Native

Size at Maturity

25 m

Life Expectancy

Where it grows

Plant Hardiness Zone

0a, 0b, 1a, 1b, 2a, 2b, 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b

Habitat

Found mixed with Black Spruce and Eastern White Cedar.

Preferred Soil Type

Cold, wet, poorly drained sites.

Distribution Across Canada

What it looks like

At Maturity

Medium sized tree, triangular outline, narrow straight trunk.

Bark

conifer tree icon

Greyish, becomes scaly with age.

Leaf

Flattened, in bunches of approximately 40, about 3 cm long, bluish, turning yellow in autumn and falling off.

Bud

deciduous tree icon

Cone

Small ovoid cones face up, 2 cm long

Other

conifer tree icon

One of the few “deciduous” coniferous trees. Leaves turn a brilliant yellow and fall off in the winter.  Th official arboreal emblem of the Northwest Territories. Also considered a hard-soft wood, can be used for hardwood flooring.

What affects it

Pests

Larch case-bearer, sawfly.

Common diseases

Wood rot and several rust fungi.

Values and Uses

Edible fruit/nut tree?

No

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