White Oak (Quercus alba)-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers

Tree

White Oak
Quercus alba

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White Oak leaves
White Oak leaves
 
Features
Purplish red fall color; form. 
 
Culture
Full sun; moist, well drained soil; prefers slightly acid soil pH. 
 
Cultivars
 
 
Mature Height
50-75 Feet
 
Size
Large
 
 
Mature Form
Broad rounded 
 
Native To:
United States (and Illinois) 
 
USDA Hardiness Zone
4 - 8 
 
Soil Conditions
Moist, Well-Drained
 
 
Tolerance
Salt
Wind
 
 
Exposure/Light Requirements
Full Sun
 
 
Uses
Shade
Specimen
 
 
Foliage Color
Green
 
 
Fall Foliage Color
Purple
Red
 
 
Pests and Problems

Bacterial Disease

Environmental Damage

Fungal Disease

Insect Damage


Additional pests and problems that may affect this plant:

Gypsy moth and anthracnose (other problems are possible, but usually not serious).   Very sensitive to root disturbances (digging) and compaction.
 
Additional Notes
Very difficult to transplant due to deep taproot.

 

 
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