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Tsuga canadensis, photographed by an iNaturalist contributor
(c) jaskir, some rights reserved (CC BY-NC), uploaded by jaskir · CC BY-NC
#324 most planted

Tsuga canadensis

Eastern hemlock · also Eastern hemlock-spruce, Canadian hemlock, Pruche du Canada

ConiferEvergreen
3,650
trees mapped
0.04%
of all named trees
26
cities
8.3 in
median trunk (21 cm, 3,467 measured)
18 yr
median age (50% have a planting date)

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Tsuga canadensis is an evergreen conifer with a dense, pyramidal crown and small needles arranged in flat sprays. Native to eastern North America, it thrives in cool, moist forests and is tolerant of shade and various soil conditions. It provides food and cover for wildlife but is threatened by the Hemlock woolly adelgid.

Where it grows

Trees in each city's inventory, with the share of that city's named trees this species accounts for.

  1. Boston · United States
    1,40118 yr37 in
  2. Toronto · Canada
    731—3.1 in
  3. Montreal · Canada
    3484.0 yr2.0 in
  4. Quebec City · Canada
    2484.9 yr2.0 in
  5. Mississauga · Canada
    200—3.5 in
  6. Ottawa · Canada
    164—4.1 in
  7. Halifax · Canada
    104—9.3 in
  8. New York City · United States
    87—6.0 in
  9. Burlington, ON · Canada
    83—5.1 in
  10. Longueuil · Canada
    75—6.3 in
  11. Washington, DC · United States
    68—14 in
  12. Kingston · Canada
    40—0.8 in
  13. Helsinki · Finland
    242.8 yr5.9 in
  14. Burlington · United States
    13—31 in
  15. Moncton · Canada
    114.3 yr1.2 in
  16. Vancouver · Canada
    10—14 in
  17. Ajax · Canada
    9—2.4 in
  18. Copenhagen · Denmark
    87.8 yr—
  19. Amsterdam · Netherlands
    857 yr—
  20. London · United Kingdom
    6—3.1 in
  21. Denver · United States
    3—3.0 in
  22. Berlin · Germany
    3—9.5 in
  23. Victoria · Canada
    2—6.1 in
  24. Paris · France
    2—8.9 in
  25. New Westminster · Canada
    1—0.4 in
  26. Calgary · Canada
    1—3.9 in

Traits

Form
Conifer
Foliage
Evergreen
Mature height
40–100 ft
Canopy spread
30 ft
Lifespan
500 years
Growth rate
Fast
Sun
Part shade, Full shade
Soil
Moist, Well-drained
Water needs
Moderate
Wildlife value
High
Blooms
Mar, Apr, May

Trunk diameters across every city: median 8.3 in, mean 18 in, 90th percentile 50 in. Measured at breast height, as published by each inventory.

Native range

Terrestrial ecoregions where this species is native. Trees in the dataset mostly stand well outside it.

Temperate Broadleaf & Mixed Forests

  • Eastern Canadian Forest-Boreal transition
  • Eastern Great Lakes lowland forests
  • New England-Acadian forests

Other Tsuga in the catalogue

8 of the top 2,000 species are in this genus.

Interested in talking trees? arborary.world@gmail.comTree data © the respective municipal publishers and © OpenStreetMap contributors (ODbL).