White Ash (Fraxinus americana)-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers

Tree

White Ash
Fraxinus americana

White Ash form
White Ash form
 
Features
Fall color is yellow, yellow and purple, or purple. 
 
Culture
Full sun to partial shade; moist, well drained soil; tolerates wet sites, pH adaptable. 
 
Cultivars
  • 'Autumn Applause'-oval habit,reliable maroon fall color.
  • 'Autumn Blaze' -very hardy, oval form, purple fall color.
  • 'Autumn Purple'-purple fall color, seedless.
 
 
Mature Height
50-80 Feet
 
Size
Large
 
 
Mature Form
Oval to irregular 
 
Native To:
United States (and Illinois) 
 
USDA Hardiness Zone
4 - 8 
 
Soil Conditions
Moist, Well-Drained
Wet
 
 
Tolerance
Alkaline Soil
Wet Sites
 
 
Exposure/Light Requirements
Full Sun
Partial Sun/Shade
 
 
Uses
Shade
Street
 
 
Foliage Color
Green
 
 
Fall Foliage Color
Purple
Yellow
 
 
Pests and Problems

Environmental Damage

Fungal Disease

Insect Damage

Phytoplasma Disease


Additional pests and problems that may affect this plant:

Ash borer, ash flower gall, Verticillium wilt, and cankers. White ash is sensitive to environmental problems.
 
Additional Notes
This species is NOT recommended for planting in states where the Emerald Ash Borer is present.

 

 
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