Green Ash (Fraxinus pennsylvanica)-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers

Tree

Green Ash
Fraxinus pennsylvanica

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Green Ash leaves
Green Ash leaves
 
Features
Clear yellow autumn color. 
 
Culture
Full sun; moist, well drained soil; tolerates drought, wet sites, alkaline soils and salt. 
 
Cultivars

Many, including

  • 'Marshall's Seedless'-good pyramidal form, no seeds, good yellow autumn color.
  • 'Patmore'- oval form, no seeds, very hardy.
  • 'Prairie Spire' - narrow habit, good yellow autumn color, very hardy.
  • 'Summit'-pyramidal form, good yellow autumn color, very hardy.
 
 
Mature Height
50-60 Feet
 
Size
Large
 
 
Mature Form
Irregular, sometimes oval 
 
Native To:
United States (and Illinois) 
 
USDA Hardiness Zone
3 - 8 
 
Soil Conditions
Dry
Moist, Well-Drained
Wet
 
 
Tolerance
Alkaline Soil
Dry Sites
Salt
Wet Sites
 
 
Exposure/Light Requirements
Full Sun
 
 
Uses
Screen
Shade
Street
 
 
Foliage Color
Green
 
 
Fall Foliage Color
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, cankers, and anthracnose.
 
Additional Notes

This species is NOT recommended for planting in states where the Emerald Ash Borer is present.

This is a very adaptable species, but also variable in habit and fall color. Best results will be achieved by selecting a cultivar.

 

 
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