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Sorbus americana, photographed by an iNaturalist contributor
(c) jpc.raleigh, some rights reserved (CC BY-NC) · CC BY-NC
#288 most planted

Sorbus americana

American mountain-ash · also Mountain-ash, Dogberry, Roundwood

Deciduous
4,722
trees mapped
0.05%
of all named trees
19
cities
5.1 in
median trunk (13 cm, 4,596 measured)
8.4 yr
median age (28% have a planting date)

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The American mountain-ash is a deciduous perennial tree native to eastern North America.

Where it grows

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

  1. Calgary · Canada
    1,943—7.9 in
  2. Edmonton · Canada
    1,8238.4 yr3.9 in
  3. Toronto · Canada
    467—6.7 in
  4. Mississauga · Canada
    138—2.4 in
  5. Vancouver · Canada
    87—10 in
  6. Quebec City · Canada
    70—5.9 in
  7. Copenhagen · Denmark
    405.8 yr—
  8. Montreal · Canada
    336.7 yr2.0 in
  9. Ottawa · Canada
    30—2.4 in
  10. Helsinki · Finland
    277.8 yr2.0 in
  11. Kingston · Canada
    21—3.9 in
  12. Halifax · Canada
    12—1.6 in
  13. Los Angeles · United States
    935 yr1.5 in
  14. Victoria · Canada
    9—3.1 in
  15. New York City · United States
    4—26 in
  16. Lethbridge · Canada
    3—3.1 in
  17. New Westminster · Canada
    3—8.1 in
  18. Boston · United States
    2—9.3 in
  19. Amsterdam · Netherlands
    1——

Traits

Foliage
Deciduous

Trunk diameters across every city: median 5.1 in, mean 7.1 in, 90th percentile 15 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 Sorbus in the catalogue

21 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).