northern red oak - Fagaceae Quercus rubra

Video

QURU5

Taxonomy

FamilyFagaceae
GenusQuercus
Speciesrubra
Common Namenorthern red oak
iTree CodeQURU5

Plant Form

FormTree: rounded and symmetrically crown
Height80 feet
Spread50 feet
DeciduousYes

Identification Description

Foliagegreen, lobed with bristled tips 4-8” long; shallow sinusesLeaf Type Information IconSimple
Needles0
Barklight gray/brown, smooth when young; gray with flat-topped ridges, deep furrows with ages
Budterminal: conical, pointed; lateral: slightly raised; both having overlapping scales (imbricate) , many layers of scales, red to grayish brownBud Arrangement Information IconAlternate
Twigslender, red/brown with lenticels
Flowermale: green-yellow catkins in large groups; male and female on same tree (monoecious)
Fruitacorn with shallow cap about 1/4 of the length, mature in autumn after two seasons
Fall Colordark red

Site Characteristics

USDA Zones   info for zonespH LevelsSalt Tolerance
Min3bMin4.3SoilModerate
Max8aMax7.3SprayModerate

Shade ToleranceDrought ToleranceAllelopathy
IntermediateIntolerantYes

Species Status

Nebraska NativeYes Check
U.S. NativeYes Check
Region of OriginUnited States, Canada
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