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Crataegus, photographed by an iNaturalist contributor
no rights reserved · CC0
#100 most planted

Crataegus

Hawthorn · also Quickthorn, Thornapple, May-tree

21,900
trees mapped
0.21%
of all named trees
29
cities
4.0 in
median trunk (10 cm, 19,117 measured)

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Crataegus, commonly known as hawthorn, comprises several hundred species of shrubs and trees native to the Northern Hemisphere's temperate regions. They provide high value to wildlife, attracting bees and birds. Many species are susceptible to diseases like fireblight and generally have medium water use.

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
    4,702—5.5 in
  2. London · United Kingdom
    4,678—1.9 in
  3. New York City · United States
    3,745—4.0 in
  4. Edmonton · Canada
    1,37415 yr5.5 in
  5. Toronto · Canada
    1,371—3.1 in
  6. Denver · United States
    1,370—3.0 in
  7. Mississauga · Canada
    726—6.3 in
  8. Montreal · Canada
    594—7.1 in
  9. Berlin · Germany
    49633 yr6.9 in
  10. Ottawa · Canada
    441—3.9 in
  11. Copenhagen · Denmark
    33042 yr2.8 in
  12. Winnipeg · Canada
    256—3.9 in
  13. Boston · United States
    255—7.0 in
  14. Helsinki · Finland
    236—2.0 in
  15. Quebec City · Canada
    216—7.9 in
  16. Kelowna · Canada
    188—3.9 in
  17. Victoria · Canada
    169—10 in
  18. Longueuil · Canada
    124—5.9 in
  19. Amsterdam · Netherlands
    11227 yr5.9 in
  20. Vancouver · Canada
    110—10 in
  21. Paris · France
    105—4.4 in
  22. Halifax · Canada
    87—4.7 in
  23. Burlington, ON · Canada
    65—7.5 in
  24. Ajax · Canada
    62—2.0 in
  25. Kingston · Canada
    42—6.3 in
  26. Melbourne · Australia
    20—4.4 in
  27. Burlington · United States
    204.8 yr4.0 in
  28. New Westminster · Canada
    5—7.9 in
  29. Lethbridge · Canada
    1—1.6 in

Traits

Mature height
10–15 ft
Canopy spread
10–15 ft
Wildlife value
High
Blooms
Mar, Apr, May

Trunk diameters across every city: median 4.0 in, mean 5.4 in, 90th percentile 10 in. Measured at breast height, as published by each inventory.

Other Crataegus in the catalogue

29 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).