Ashe's Blackjack Oak | Quercus marilandica var. ashei

Scientific Name

Quercus marilandica var. ashei

Common Name

Ashe's Blackjack Oak

Photo of Quercus marilandica var. ashei.
Tree Description

Quercus marilandica var. ashei, Ashe's blackjack oak, is a deciduous tree that reaches mature height between 30-50 ft, and prefers environments with partial shade and dry soils. Its glossy dark green foliage forms a round, spreading, crown, and acorns provide cover, food, and a habitat for local wildlife.

Tree Size
Height at Maturity
Width at Maturity
Growth Rate
Foliage Type
Sun Exposure
Water Needs
Low Water
Medium Water
Potential Issues

Allergy health hazard

Average performance rating from pre-trial survey of experts
Field Trial Monitoring Results

Fair potential utility as an urban tree based on evaluation of 6 trees, healthy crown, 100% survival, slow growth rate. Leaf dieback and herbivory on a few individuals; additionally some individuals show signs of chlorosis. Trees have nice red fall color.

Propagation Results

We had poor germination with fresh seed, fall sown outside. We got no germination with 90 day cold stratification in perlite, peat, vermiculite in plastic bag in refrigerator.

Additional Images
Photo of Quercus marilandica var. ashei.