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Quercus rubra

Red Oak

Pronunciation
KWER-kus RU-bra
Pronunciation Audio
Family
Genus
Nativity

Nova Scotia to Pennsylvania, west to Minnesota and Iowa

Growth Habit

In youth is has a rounded habit and remains rounded in old age with a symmetrical silohouette. Fast growth rate, up to 2 feet per year.

Hardiness
4
Culture

Sandy loam, acid soils in full sun.

Facultative Status
Facultative
Landscape Use

The acorns attract all kinds of wildlife. Red oak is a valuable, fast growing oak for lawns, parks and golf courses. It has use as a street tree. It is native to the northeastern United States, including Delaware. Easy to transplant.

Foliage

Alternate, simple, 4 to 8 inch long, 7-11 pointed lobes with shallow sinuses compared to Q. palustris and Q. coccinea. Emerge reddish, become dark-green in summer, turn variable reds in fall.

Buds

Buds are chestnut-brown, about .33 inches, sharply pointed.

Bark

Steel-gray with ridges and furrows, often mingled with flattened gray areas on the larger branches and main trunk.

Flower

Insignificant flowers in separate male and female catkins appear in spring.

Fruit

Medium brown with gray streaks on the cap. Nut (acorn) .75 to 1 inch long with involucre (cup) covering about one quarter of nut.

Propagation

Seed, hybridizes freely.

Pests
Gypsy moth
Cultivars

'Aurea' - Clear to golden yellow leaves.

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