Tamarack – Larix Laricina

General – small to medium-sized, averaging 18 m (60 ft) high, deciduous conifer with a sparse, open, narrow, conical crown. Trunk straight. Bark with small scaly patches, grey to red-brown. Twig sender, light brown, numerous short, spur branches.

Tamarack Leaves – Deciduous, flat needle, light green, appear in spirals on spur shoots after first year, 2 – 3 cm (3/4 – 1 in) long, turn yellow in the fall and fall off.

Flowers – monoecious, males yellowish, small and round in clusters near branch tips; females reddish brown, numerous scales, egg shaped, appearing in May

Fruit – small, 2 – 3 cm (3/4 – 1 in) light brown, egg shaped cone; persist throughout the winter.


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Found throughout Northwestern Ontario. Tamarack can tolerate a wide range of soil conditions but grows most commonly on wet to moist organic soils (Histosols) such as sphagnum peat and woody peat. The latter is usually better decomposed, has more nitrogen and mineral nutrients, and is less acid than sphagnum peat. Tamarack grows fairly well on extremely dry soils where these are shallow over bedrock or where the water table is low, but it can die from drought on such sites. Often found in mixed stands with black spruce and white cedar.

Tamarack stands cast light shade and so usually have a dense undergrowth of shrubs and herbs. Dominant tall shrubs include speckled alder and red-osier dogwood; low shrubs include Labrador-tea and leatherleaf. Characteristically the herbaceous cover includes sedges and false Solomon’s seal. Ground cover is usually composed of sphagnum moss and other mosses.


The heavy, durable wood is used principally for pulpwood, but also for posts, poles, rough lumber, and fuelwood. Wildlife use the tree for food and nesting; it is also esthetically appealing and has significant potential as an ornamental.