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Crataegus crus-galli, photographed by an iNaturalist contributor
(c) Andrew Braun, some rights reserved (CC BY-NC), uploaded by Andrew Braun · CC BY-NC
#252 most planted

Crataegus crus-galli

Cockspur hawthorn · also Cockspur thorn, Newcastle hawthorne, Newcastle thorn

Deciduous
6,321
trees mapped
0.06%
of all named trees
20
cities
3.0 in
median trunk (8 cm, 5,823 measured)

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Crataegus crus-galli is a hawthorn species known for its large thorns, 1 1/2 to 3 inches long, and attractive fall color. It produces edible fruit and is widely used in horticulture. A thornless variety, 'inermis', is also available.

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
    2,042—3.0 in
  2. London · United Kingdom
    1,031—2.1 in
  3. Quebec City · Canada
    6614.9 yr2.0 in
  4. Toronto · Canada
    478—3.1 in
  5. Ottawa · Canada
    4129.9 yr1.6 in
  6. New York City · United States
    388—4.0 in
  7. Vancouver · Canada
    315—6.0 in
  8. Montreal · Canada
    2913.0 yr2.0 in
  9. Berlin · Germany
    18526 yr5.3 in
  10. Kingston · Canada
    130—1.2 in
  11. Boston · United States
    10123 yr3.8 in
  12. Burlington, ON · Canada
    814.8 yr2.0 in
  13. Victoria · Canada
    77—13 in
  14. Copenhagen · Denmark
    4318 yr2.8 in
  15. New Westminster · Canada
    3828 yr5.9 in
  16. Burlington · United States
    225.8 yr2.0 in
  17. Edmonton · Canada
    1611 yr2.8 in
  18. Amsterdam · Netherlands
    747 yr—
  19. Helsinki · Finland
    2—2.0 in
  20. Paris · France
    1——

Traits

Foliage
Deciduous
Mature height
20–30 ft
Canopy spread
20–35 ft
Growth rate
Moderate
Wildlife value
High
Blooms
Mar, Apr, May

Trunk diameters across every city: median 3.0 in, mean 4.0 in, 90th percentile 9.0 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
  • Mississippi lowland forests
  • New England-Acadian forests

Temperate Grasslands, Savannas & Shrublands

  • Central US forest-grasslands transition
  • Central Tallgrass prairie
  • Nebraska Sand Hills mixed grasslands

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).