English oak is a long-lived oak with a broadly rounded to spreading habit with a short trunk. It is an excellent specimen tree or can be planted in a grouping in large open landscapes. The acorns form a valuable food source for several small mammals and some birds but may take up to 20 years to produce fruit. This plant has some cultivated varieties. Go to list of cultivars.
- Deciduous (seasonally loses leaves)
- Zone 4
- Zone 5
- Zone 6
- Zone 7
- Zone 8
- Full sun (6 hrs direct light daily)
- Occasional drought
- Alkaline soil
- Road salt
- Moist, well-drained soil
- Large tree (more than 40 feet)
- Mid winter
- Mid summer
- Mid fall
Size & Form
A large, broadly rounded habit with open crown reaching 40 to 60 feet high and wide
Tree & Plant Care
Best planted in well-drained soil in full sun.
This tree is pH tolerant and has the highest degree of salt tolerance.
Prune oaks in the dormant season to avoid attracting beetles that may carry oak wilt.
Disease, pests, and problems
Native geographic location and habitat
Europe and southwestern Asia
Attracts birds & wildlife
Valuable food source for small mammals and some birds
Bark color and texture
Mature trees grayish-black and deeply furrowed
Leaf or needle arrangement, size, shape, and texture
Alternate, simple, 2-5 inch long lobed leaves with articulate (earlobe-like) base
Dark green to blue green above, lighter beneath
Flower arrangement, shape, and size
Male flowers hang downward in clusters, female flowers are inconspicuous spikes in leaf axils
Fruit, cone, nut, and seed descriptions
Shiny brown when mature
1-inch long acorns are enclosed by a warty cap attached to a 4-inch long stalk.
Acorns may take 20-30 years to develop.
Cultivars and their differences