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Fraxinus americana, photographed by an iNaturalist contributor
(c) William Van Hemessen, some rights reserved (CC BY-NC), uploaded by William Van Hemessen · CC BY-NC
#54 most planted

Fraxinus americana

Fraxinus americana · also White ash, American ash, Cane ash

BroadleafDeciduous
44,925
trees mapped
0.44%
of all named trees
34
cities
11 in
median trunk (28 cm, 43,860 measured)

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Fraxinus americana, also known as white ash, is a tall, fast-growing deciduous tree with a rounded crown. Native to eastern and central North America, it supports diverse wildlife and provides valuable timber. This species is threatened by the emerald ash borer but has been observed to colonize soils with heavy metals.

Where it grows

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

  1. Denver · United States
    10,123—9.0 in
  2. Buenos Aires · Argentina
    9,863—12 in
  3. Ottawa · Canada
    6,251—14 in
  4. Calgary · Canada
    4,715—2.0 in
  5. Toronto · Canada
    2,217—13 in
  6. Vancouver · Canada
    2,195—12 in
  7. New York City · United States
    2,172—16 in
  8. Montreal · Canada
    1,86630 yr13 in
  9. Boston · United States
    898—15 in
  10. Edmonton · Canada
    77311 yr3.1 in
  11. Amsterdam · Netherlands
    69920 yr9.8 in
  12. Halifax · Canada
    553—9.3 in
  13. Quebec City · Canada
    387—17 in
  14. London · United Kingdom
    350—4.4 in
  15. Paris · France
    331—7.5 in
  16. Moncton · Canada
    252—7.9 in
  17. Kingston · Canada
    185—15 in
  18. Berlin · Germany
    18344 yr11 in
  19. Mississauga · Canada
    180—12 in
  20. Ajax · Canada
    112—13 in
  21. Kelowna · Canada
    101—12 in
  22. Winnipeg · Canada
    98—7.9 in
  23. New Westminster · Canada
    7717 yr5.7 in
  24. Lethbridge · Canada
    7418 yr12 in
  25. Copenhagen · Denmark
    524.8 yr—
  26. San Francisco · United States
    49—15 in
  27. Burlington, ON · Canada
    45—6.9 in
  28. Burlington · United States
    33—21 in
  29. Longueuil · Canada
    27—10 in
  30. Melbourne · Australia
    21—3.8 in
  31. Los Angeles · United States
    2036 yr8.2 in
  32. Victoria · Canada
    20—3.1 in
  33. Helsinki · Finland
    2—2.0 in
  34. Washington, DC · United States
    1——

Traits

Form
Broadleaf
Foliage
Deciduous
Mature height
50–80 ft
Canopy spread
50 ft
Growth rate
Fast
Water needs
Moderate
Pollution tolerance
High
Wildlife value
High

Trunk diameters across every city: median 11 in, mean 12 in, 90th percentile 21 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

  • East Central Texas forests
  • Mississippi lowland forests
  • Northeast US Coastal forests

Other Fraxinus in the catalogue

20 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).