Cockspur Hawthorn (Crataegus crus-galli)-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers

Tree

Cockspur Hawthorn
Crataegus crus-galli

Cockspur Hawthorn in flower
Cockspur Hawthorn in flower
 
Features
Flat clusters of small, creamy white flowers in late spring; flowers have an unpleasant scent; bright red fruit late summer, often lasting into winter; glossy green summer foliage, turning purplish-red in autumn. 
 
Culture
Full sun; moist, well-drained soil, but tolerant of drought; pH adaptable. 
 
Cultivars
var. inermis which is thornless 
 
Mature Height
20-30 Feet
 
Size
Medium
Large
 
 
Mature Form
Broad rounded with distinctly horizontal branches 
 
Native To:
United States (and Illinois) 
 
USDA Hardiness Zone
4 - 6 
 
Soil Conditions
Moist, Well-Drained
 
 
Tolerance
Alkaline Soil
Dry Sites
Wind
 
 
Exposure/Light Requirements
Full Sun
 
 
Uses
Massing
Screen
Specimen
 
 
Foliage Color
Green
 
 
Fall Foliage Color
Purple
Red
 
 
Pests and Problems

Environmental Damage

Fungal Disease

Insect Damage


Additional pests and problems that may affect this plant:

Fireblight, rust and scab.
 
Additional Notes
Tree has long, sharp thorns on branches.

 

 
Related Resources
Home, Yard & Garden Pest Guide
Illinois Commercial Landscape and Turfgrass Pest Management Handbook
U of IL - Distance Diagnosis through Digital Imaging
U of IL - Plant Clinic