Welcome To Vineland Research and Innovation Centre

Crataegus phaenopyrum

Washington Hawthorn

Tree Characteristics

Leaves:

Deciduous

Height:

6 - 9m

Width:

6 - 8m

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:

Moderate

Planting site and Native Range

Planting Site:

Parks, Highway, Residential, Wide Median, Restricted Urban Site

Native to Ontario:

No

Native to North America:

Yes

Photograph provided by Glen Lumis
Photograph provided by Glen Lumis
Photograph provided by Glen Lumis
Photograph provided by Glen Lumis

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

Cultivars 

Lustre, Prezam, Westwood I