Tamarack (Larix laricina)

Tamarack

Also known as: Eastern larch, Black larch, Eastern tamarack

Tamarack (Larix laricina) goes by many names, including hackmatack, eastern larch, black larch, and red larch. In the Algonquin language, tamarack means "wood used for snowshoes." Early settlers would leave the stumps after cutting one of these trees down. Later, they would harvest them. These naturally curved stumps were perfect for use as ship knees when putting together a boat.

Scientific classification

Species

Tamarack (Larix laricina)

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10 m to 20 m

Plant Height

4 m to 9 m

Spread

Green, Yellow, Blue, Orange

Leaf Color

Brown, Red, Pink

Fruit Color

Yellow, Pink, Purple, Red

Flower Color

Brown

Stem Color

Winter dormancy

Dormancy

Deciduous

Leaf type

0 - 32 ℃

Ideal Temperature

Spring, Summer

Growth Season

Rapid

Growth Rate

Images of Tamarack

Attributes of Tamarack

Growth Rate

Tamarack's rapid growth rate prominently manifests in spring and summer, influencing its continuous vertical ascent. This expeditious growth impacts its larch-like foliage development and needle dropping rate. These seasons also herald denser leaf formation due to sprints of accelerated growth, enhancing the overall health and vitality of the plant.

Distribution of Tamarack

Distribution Map

The tamarack is a coniferous tree native to the boreal forests of North America, thriving particularly in its northern region. Its introduced range extends to temperate regions of the Northern Hemisphere, including parts of Scandinavia where it has been successfully established.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Swamps, dry plateau, slopes

Hemisphere Trend Curve

Northern

Sorthern

Culture

Garden Use

As a small, dense conifer, tamarack is an excellent choice for planting near streams, ponds, and swampy areas. Its bright bluish-green needles change to an eye-catching yellow in the fall, and the branches provide structure to the visual landscape. It offers the best landscaping effect when planted in large groups.

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Care Guide for Tamarack

Every 1-2 weeks

Water

Full sun

Sunlight

0 - 32 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Tamarack prefers moist, cool environments similar to its native wetlands. It needs moderate moisture, with watering every 1-2 weeks, keeping soil damp but not soggy. Outdoor growth leads to a deciduous phase, reducing water needs as it sheds needles for winter dormancy.

Fertilize: For tamarack, apply balanced fertilizers annually in early spring to promote healthy growth. Use sparingly to avoid over-fertilization. Adjust amounts for maturity, and water after fertilization for nutrient absorption. Avoid fall applications to protect against frost damage to new growth.

Pruning: Tamarack has deciduous needles and a conical shape. Prune in early spring to remove dead or crossing branches, promoting airflow and light. Minimal pruning is needed; thinning can prevent disease and improve structure, enhancing growth and longevity. Refer to horticultural guides for best practices.

Propagation: Tamarack propagates effectively in autumn and winter using layering, cutting, or sowing. New shoot growth indicates successful propagation. For best results, select moist, well-draining soil.

Repotting: Repot tamarack every 2-3 years in spring, using a spacious container with well-draining soil. After repotting, water thoroughly and ensure ample sunlight. Maintain moderate moisture and avoid root disruption for optimum growth and recovery.

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