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Quercus alba, photographed by an iNaturalist contributor
(c) Heather Pickard, some rights reserved (CC BY-NC), uploaded by Heather Pickard · CC BY-NC
#156 most planted

Quercus alba

White oak · also Eastern white oak, Stave oak, Canada oak

SpreadingDeciduous
11,891
trees mapped
0.12%
of all named trees
27
cities
7.5 in
median trunk (19 cm, 11,603 measured)

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Quercus alba, commonly known as white oak, is a long-lived hardwood native to eastern and central North America. It can reach magnificent heights in forests and develops a broad, massive canopy in open spaces. Its wood is highly valued for commercial purposes, and its acorns provide food for wildlife.

Where it grows

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

  1. Toronto · Canada
    3,813—5.1 in
  2. New York City · United States
    2,270—9.0 in
  3. Washington, DC · United States
    1,2868.0 yr24 in
  4. Mississauga · Canada
    719—11 in
  5. Ottawa · Canada
    682—7.9 in
  6. Denver · United States
    587—3.0 in
  7. Burlington, ON · Canada
    534—6.7 in
  8. Boston · United States
    37011 yr30 in
  9. Montreal · Canada
    3144.0 yr2.0 in
  10. Lethbridge · Canada
    2819.8 yr3.9 in
  11. Ajax · Canada
    269—3.1 in
  12. Longueuil · Canada
    155—19 in
  13. Quebec City · Canada
    1534.6 yr2.0 in
  14. Halifax · Canada
    1455.8 yr1.6 in
  15. Kingston · Canada
    138—4.3 in
  16. Burlington · United States
    56—24 in
  17. Edmonton · Canada
    523.0 yr2.4 in
  18. Calgary · Canada
    17—3.1 in
  19. Moncton · Canada
    14—5.9 in
  20. Vancouver · Canada
    8—8.1 in
  21. Berlin · Germany
    730 yr10 in
  22. Paris · France
    5—3.1 in
  23. New Westminster · Canada
    5—7.9 in
  24. London · United Kingdom
    4—13 in
  25. San Francisco · United States
    4—8.0 in
  26. Kelowna · Canada
    2—15 in
  27. Helsinki · Finland
    1—2.0 in

Traits

Form
Spreading
Foliage
Deciduous
Mature height
50–60 ft
Canopy spread
60 ft
Lifespan
450 years
Growth rate
Moderate
Water needs
Moderate
Wildlife value
High
Blooms
Mar, Apr, May

Trunk diameters across every city: median 7.5 in, mean 14 in, 90th percentile 35 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
  • Eastern Canadian Forest-Boreal transition
  • Eastern Great Lakes lowland forests
  • Mississippi lowland forests

Temperate Grasslands, Savannas & Shrublands

  • Central US forest-grasslands transition
  • Central Tallgrass prairie

Other Quercus in the catalogue

74 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).