Plant Identifier
White Oak

White Oak

Quercus alba

Family: FagaceaeNative: Eastern and central North AmericaIdentified: Oct 17, 2026

Large deciduous tree known for deeply lobed leaves with rounded tips, smooth or slightly irregular sinuses, and grayish-white bark.

Light
Full sun, requiring at least 6 hours of direct sunlight daily
Water
Water deeply when newly planted. Mature trees require watering only during extended dry periods, as they have deep taproots.
Growth
Perennial large deciduous tree, growing 50 to 80 feet tall with an equal or greater spread, exhibiting a slow to medium growth rate
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Care instructions

Provide full sun exposure, well-draining soil, and consistent watering during the establishment phase. Once mature, it is moderately drought-tolerant.

Growing details

Sunlight

Full sun, requiring at least 6 hours of direct sunlight daily

Watering

Water deeply when newly planted. Mature trees require watering only during extended dry periods, as they have deep taproots.

Soil

Prefers deep, moist, well-draining acidic or neutral loam, though adaptable to various soil types with a pH between 4.8 and 6.8

Hardiness zone

USDA Hardiness Zones 3 through 9

Growth habit

Perennial large deciduous tree, growing 50 to 80 feet tall with an equal or greater spread, exhibiting a slow to medium growth rate

Bloom season

Spring, producing inconspicuous yellowish-green male catkins and small female flowers

Propagation

Propagated primarily through acorns planted in autumn, or by specialized grafting for named cultivars

Common pests & issues

Susceptible to fungal leaf spots, powdery mildew, oak wilt, and pests such as defoliating caterpillars and borers

Similar species

Post Oak (Quercus stellata), which features more distinctly cross-shaped or square-lobed leaves with a leathery texture