Carolinian
and Deciduous Forest Trees
of Southern Ontario

Tamarack
Larix laricina

Location in Ontario: Tamarack grows throughout Ontario.


Tamarack, Norfolk County

Genus Larix: This genus includes Larches and Tamaracks, all of which are deciduous conifers which means they lose their needles in the winter. Needles are flexible and found in tufts. Pollen cones are globular and yellow. Seed cones are small and red, green or yellow. All are tall, slender trees. Tamarack is the only species of Larix that grows in Southern Ontario.

Habitat:
Tamarack is found on wet or moist sites.

Landscape Use:
This medium sized tree makes an unusual lawn specimen since its needles turn bright yellow in the fall and are shed. 

TREE FACT: Tamarack is also known as Larch. Although it is a coniferous tree, it is also deciduous, which means it loses its needles in the fall.

Leaves:
This coniferous tree has leaves which are flattened needles found in tufts of 15 to 60. Leaves are shed in the fall, making Tamarack a deciduous coniferous tree.

FALL COLOUR WATCH: Tamarack needles turn brilliant yellow in the fall and are shed during winter.


Fall colours of Tamarack, Norfolk County

Size: This is a medium sized tree, growing up to 25 metres and has an average life of 150 years.

Bark: The bark is reddish-brown and scaly. It contains tannin which was used for tanning leather, but today, artificially produced tannin is used.

TREE FACT: Porcupines love to eat the bark of this tree.

Cones: The seeds are in cones. Immature cones can be pink, red or yellowish-green. Mature cones are light brown and open in August. Seeds are shed in the fall. Cones are produced every 3 to 6 years after 15 years of growth.

Wood: The wood is strong and durable.
Specific gravity: 0.53
Janka Hardness: 590 lb
Wood Comparison Chart
The wood is used for bridges, foundations and boats. It is also used for pulpwood.


Tamarack, University of Guelph Arboretum

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