University of Illinois Extension - Selecting Trees for Your Home
http://www.urbanext.uiuc.edu/treeselector
http://www.urbanext.uiuc.edu/treeselector
Cockspur Hawthorn
Crataegus crus-galli
Crataegus crus-galli
4 pictures total.
Cockspur Hawthorn in flower
Size:
Small
Medium
Large
Exposure/ Light Requirements:
Full Shade
Full Sun
Partial Sun/Shade
Pests and Problems:
Fungal Disease
- Cedar-Hawthorn Rust (Gymnosporangium globosum)
- Gray Mold [Trees and Shrubs] (Botrytis cinerea and other species)
- Wood Rots and Decays (Many genus and species involved)
Insect Damage
Fireblight, rust and scab.
| Hardiness Zone: | 4 - 6 |
| 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
 Moist, Well-DrainedWet
|
| Tolerance: |
Alkaline SoilDry Sites Salt
Soil Compaction
Wet Sites
Wind |
| Uses: |
Barrier
Border
Foundation
Hedge
Massing
Naturalizing
Screen
Specimen
|
| Foliage Color: |
Green |
| Fall Foliage Color: |
Purple Red |
| Additional Notes: | Tree has long, sharp thorns on branches. |
