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Salix alba, photographed by an iNaturalist contributor
(c) saartje281, some rights reserved (CC BY-NC) · CC BY-NC
#102 most planted

Salix alba

White willow

Deciduous
20,655
trees mapped
0.20%
of all named trees
27
cities
9.8 in
median trunk (25 cm, 10,854 measured)
30 yr
median age (63% have a planting date)

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Salix alba, also known as white willow, is a medium to large deciduous tree native to Europe and parts of Asia. It grows up to 10-30 meters tall with an irregular crown and distinctive white-haired leaves. Its flowers appear in catkins in early spring, and it requires ample water.

Where it grows

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

  1. Amsterdam · Netherlands
    11,53931 yr9.8 in
  2. London · United Kingdom
    3,513—5.6 in
  3. Winnipeg · Canada
    2,175—18 in
  4. Edmonton · Canada
    1,0429.4 yr5.1 in
  5. Berlin · Germany
    41947 yr24 in
  6. Montreal · Canada
    3564.1 yr9.4 in
  7. Copenhagen · Denmark
    3087.8 yr2.4 in
  8. Helsinki · Finland
    301—16 in
  9. Ottawa · Canada
    2695.9 yr8.3 in
  10. Paris · France
    220—12 in
  11. Denver · United States
    154—15 in
  12. Calgary · Canada
    61—8.7 in
  13. Quebec City · Canada
    586.3 yr3.5 in
  14. Mississauga · Canada
    51—17 in
  15. Boston · United States
    4723 yr40 in
  16. New York City · United States
    41—21 in
  17. Kingston · Canada
    31—34 in
  18. Kelowna · Canada
    21—24 in
  19. Longueuil · Canada
    16—18 in
  20. Vancouver · Canada
    14—22 in
  21. Lethbridge · Canada
    74.8 yr1.6 in
  22. Moncton · Canada
    3—7.9 in
  23. Burlington · United States
    2—4.0 in
  24. Los Angeles · United States
    2—13 in
  25. Victoria · Canada
    2—19 in
  26. Buenos Aires · Argentina
    2—32 in
  27. New Westminster · Canada
    1—28 in

Traits

Foliage
Deciduous
Mature height
50–80 ft
Canopy spread
40–70 ft
Water needs
High
Drought tolerance
Low
Blooms
Mar, Apr, May

Trunk diameters across every city: median 9.8 in, mean 13 in, 90th percentile 30 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

  • Baltic mixed forests
  • Central China Loess Plateau mixed forests
  • Central European mixed forests
  • East European forest steppe
  • Western European broadleaf forests

Temperate Conifer Forests

  • East Afghan montane conifer forests

Temperate Grasslands, Savannas & Shrublands

  • Alai-Western Tian Shan steppe

Mediterranean Forests, Woodlands & Scrub

  • Aegean and Western Turkey sclerophyllous and mixed forests

Other Salix in the catalogue

34 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).