Washington Hawthorn (Crataegus phaenopyrum)-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers

Tree

Washington Hawthorn
Crataegus phaenopyrum

Washington Hawthorn leaves
Washington Hawthorn leaves
 
Features
Flat clusters of small, creamy white flowers in spring; flowers have an unpleasant scent; bright red fruit in autumn and winter; fall color is mild orange-red. 
 
Culture
Full sun; moist, well-drained soil, but tolerant of drought; pH adaptable. 
 
Cultivars
 
 
Mature Height
20-30 Feet
 
Size
Small
Medium
 
 
Mature Form
Broad rounded to oval with distinctly horizontal branches 
 
Native To:
United States (and southern Illinois) 
 
USDA Hardiness Zone
5 - 8 
 
Soil Conditions
Dry
Moist, Well-Drained
 
 
Tolerance
Alkaline Soil
Dry Sites
Wind
 
 
Exposure/Light Requirements
Full Sun
 
 
Uses
Massing
Screen
Specimen
 
 
Foliage Color
Green
 
 
Fall Foliage Color
Orange
Red
 
 
Pests and Problems
 
Additional Notes
This species is less susceptible to the rust diseases that disfigure other hawthorns.

 

 
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