Canadian Hemlock (Tsuga canadensis) is a slow-growing, long-lived (800+ years) evergreen conifer native to eastern North America, prized for its graceful, pyramidal shape and shade tolerance. Growing 40–70 feet tall, it features delicate, feathery foliage, making it excellent for screening, privacy hedges, or ornamental use in USDA zones 3–8. 
 
Key Details
Appearance: Features soft, dark green, short needles with two white bands underneath, arranged in flat sprays, and drooping, slender branches.
Conditions: Thrives in moist, acidic, well-drained, cool soils and prefers partial shade, though it can tolerate full sun.
Landscape Use: Highly versatile; can be used as a large specimen tree, a sheared hedge, or a windbreak.
Wildlife: Provides excellent habitat and cover for various wildlife. 
Usage and Characteristics
Growth Rate: Slow to moderate, generally 1–2 feet per year once established.
Size: Reaches 40–70 feet in height and 25–35 feet in width.
Bark: Changes from gray-brown and smooth on young trees to dark, reddish-brown with deep fissures on mature trees.
Maintenance: Requires regular watering during dry spells and is best sheltered from harsh, drying winds.