Habitat
- native to eastern United States
- hardy to zone 4
Habit
and Form
- a medium-sized, deciduous tree
- upright oval crown, open
- 50 to 60' tall
- 50' to 60' wide
- coarse texture
- moderate growth rate
Summer
Foliage
- alternate leaf arrangement
- simple, deciduous leaves
- obovate leaf shape
- 4" to 8" long
- 2" to 4
" wide
- lobed, rounded
- white hairs on leaf underside
- dark green leaf color
Autumn
Foliage
Flowers
- monoecious
- male flowers are pendulous yellow-green catkins
- blooms in May
- messy
Fruit
- rounded acorn
- 0.5' to 1" across
- usually found in pairs
- long peduncle
- involucre covers a third of acorn
- attracts wildlife
Bark
- lower branches droop
- yellowish brown stems
- deeply furrowed and ridged bark
- flaky
- dark brown bark color
Culture
- part shade to full sun
- likes swampy situations
- prefers acidic soil
- transplant from container
- drought tolerant
Landscape
Use
- shade tree
- lawn tree
- specimen
- park tree
- for large area
Liabilities
- borers oak slug
- caterpillars
- variable oak caterpillars
- gypsy moth
- anthracnose
- canker
- powdery mildew
ID
Features
- leaves with rounded lobes
- imbricate, ovate, chestnut brown, 0.25" long buds that are
pubescent
- dark brown, flaky bark
- acorns usually found in pairs
Propagation
Cultivars/Varieties
'Asjes' (Rosehill®) - This plant is most likely a hybrid
with Q. robur (English oak), which it strongly resembles. It is resistant
to leaf ailments such as mildew and features a somewhat fastigiate, upright
form with lustrous green foliage. The acorns resemble those of English oak.
'Long' (Regal Prince®, a selection of Quercus x warei)
- This new selection is the result of a cross with a fastigiate English oak
(Quercus robur 'Fastigiata). It is a vigorous upright-oval grower reaching
60' tall and only 25' wide. The foliage is handsome all season with a silvery
lower surface. Due to its parentage, this plant is tolerant of a wide range
of conditions, including both wet and dry soil.
