University of Illinois Extension
University of Illinois Extension - Selecting Trees for Your Home
http://www.urbanext.uiuc.edu/treeselector
Cockspur Hawthorn
Crataegus crus-galli
Cockspur Hawthorn in flower
Size:

Small
Size: medium
Medium
Size: large
Large
Exposure/ Light Requirements:
Full Shade not required.
Full Shade
Full Sun required.
Full Sun
Partial Sun/Shade not required.
Partial Sun/Shade
Hardiness Zone: 4 - 6 
[Find Your Zone]
Mature Height: 20-30 Feet
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 Form: Broad rounded with distinctly horizontal branches
Native To: United States (and Illinois)
Soil Conditions:
Dry
Soil condition: Moist, Well-DrainedMoist, Well-Drained
Wet
Tolerance:
Tolerance: Alkaline SoilAlkaline Soil
Tolerance: Dry SitesDry Sites
Salt
Soil Compaction
Wet Sites
Tolerance: WindWind
Uses:
Use for: Massing.Massing
Patio
Use for: Screen.Screen
Shade
Use for: Specimen.Specimen
Street
Wind Break
Foliage Color: Green
 
Fall Foliage Color: Purple
Red
 
Additional Notes: Tree has long, sharp thorns on branches.

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