Scientific Name
Quercus oblongifolia
Common Name
Mexican Blue Oak
Tree Description
Quercus oblongifolia, Mexican blue oak, is a small evergreen tree with a unique blue foliage color. It thrives in harsh environments with full sun and dry soil. Additionally, it is resistant to fires as well as various pests and diseases like aphids or sudden oak death.
Tree Size
Small
Height at Maturity
20ft–30ft
Width at Maturity
20ft–30ft
Growth Rate
36 inches/year
Foliage Type
Evergreen
Sun Exposure
Sun
Water Needs
Low Water
Potential Issues
Potential root damage moderate. Allergy and poison hazard.
Average performance rating from pre-trial survey of experts
Excellent
Field Trial Monitoring Results
Excellent potential utility as an urban tree based on evaluation of 3 trees, healthy crown, 100% survival, fast growth rate. No signs of pests or diseases found. These plants are likely hybridized with Quercus grisea. Sun damage on one individual.
Propagation Results
Poor germination with seed sown outside in October. Slow growing.
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