Crataegus viridis
Winter King Hawthorn
Tree Characteristics
Leaves:
Deciduous
Height:
6 - 9m
Width:
6 - 11m
Growth Rate:
Moderate
Tree Tolerances
Plant Hardiness Zone:
4, 5, 6
Shade Tolerance:
Full Sun
pH Tolerance:
Tolerant of acid to alkaline soil (5.0 to 8.0)
Drought Tolerance:
Very High
Flooding Tolerance:
Moderate
Salt Spray Tolerance:
Unknown
Soil Salt Tolerance:
Unknown
Planting site and Native Range
Planting Site:
Parks, Highway, Residential, Wide Median, Restricted Urban Site
Native to Ontario:
No
Native to North America:
Yes
Insects and Diseases
Hawthorns are susceptible to many pest and disease problems. This includes rusts, fireblight, twig and leaf blight, aphids and borers.
Management Notes
- Thorns are a safety issue for some sites
- Pruning may be necessary for low branches
- Suckers frequently on common rootstock (C. phaenopyrum) for ‘Winter King’ cultivar