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Canadian Hemlock

Tsuga canadensis

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Canadian Hemlock (Tsuga canadensis) at Snavely's Garden Corner

Canadian Hemlock

Canadian Hemlock

(Photo courtesy of NetPS Plant Finder)

Canadian Hemlock (Tsuga canadensis) at Snavely's Garden Corner

Canadian Hemlock foliage

Canadian Hemlock foliage

(Photo courtesy of NetPS Plant Finder)

Height:  60 feet

Spread:  30 feet

Sunlight:  full sun  partial shade  full shade 

Hardiness Zone:  3b

Other Names:  Eastern Hemlock

Description:

A delicate and beautiful conifer of the Eastern forests, with soft needles and an open habit of growth, upright and broadly conical, also makes a great hedge; needs adequate moisture, rich, acidic and organic soils and shelter from drying winds

Ornamental Features

Canadian Hemlock has dark green foliage which emerges light green in spring. The needles remain dark green throughout the winter. Neither the flowers nor the fruit are ornamentally significant.

Landscape Attributes

Canadian Hemlock is an evergreen tree with a strong central leader and a distinctive and refined pyramidal form. It lends an extremely fine and delicate texture to the landscape composition which can make it a great accent feature on this basis alone.

This tree will require occasional maintenance and upkeep, and is best pruned in late winter once the threat of extreme cold has passed. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;

  • Insects

Canadian Hemlock is recommended for the following landscape applications;

  • Shade
  • Vertical Accent
  • Hedges/Screening

Planting & Growing

Canadian Hemlock will grow to be about 60 feet tall at maturity, with a spread of 30 feet. It has a low canopy with a typical clearance of 3 feet from the ground, and should not be planted underneath power lines. It grows at a medium rate, and under ideal conditions can be expected to live for 70 years or more.

This tree performs well in both full sun and full shade. It does best in average to evenly moist conditions, but will not tolerate standing water. It is not particular as to soil type, but has a definite preference for acidic soils. It is quite intolerant of urban pollution, therefore inner city or urban streetside plantings are best avoided, and will benefit from being planted in a relatively sheltered location. Consider applying a thick mulch around the root zone in winter to protect it in exposed locations or colder microclimates. This species is native to parts of North America.

 
 
Hardiness Zone Plant Height Minimum Sunlight Soil pH Preference
Characteristics
Shade  Articulation  Screening 
Applications
Texture  Plant Form  Winter Value 
Ornamental Features

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