White Oak

Quercus alba · Deciduous Broadleaf Hardwood

White Oak

Plant Family

Fagaceae

Tree Category

Shade Tree / Forest Tree

Variety / Cultivar

Standard species type (no specific named cultivar)

Hardiness Zones

USDA Hardiness Zones 3 to 9

About This Tree

A magnificent large deciduous tree with a massive trunk, spreading crown, and strong horizontal branches. Known for its longevity and majestic presence in mature forests and landscapes.

Leaf Characteristics

Simple, alternate leaves with 7 to 9 rounded lobes, deep sinuses, dark green in summer, turning rich red to purplish-brown in autumn

Bark Characteristics

Light gray to whitish bark, deeply furrowed into scaly blocks and ridges, providing a distinct rugged texture that helps with identification

Growing Information

Origin Region

Eastern and central North America, well-adapted to temperate woodlands and urban landscapes

Growing Season

Leafs out in mid-spring, produces inconspicuous flowers and acorns in autumn, enters dormancy in late fall

Sunlight & Water Needs

Requires full sun, moderate watering needs once established, and exhibits good drought tolerance

Mature Size

Mature height of 50 to 80 feet with an equal or greater spread, slow to moderate growth rate, and a lifespan of several centuries

Special Characteristics

Highly durable hardwood used in timber and shipbuilding, notable resistance to decay, excellent autumn color

Wildlife & Ecology

Supports a vast array of wildlife including squirrels, blue jays, and deer which consume the sweet acorns, provides crucial nesting habitat for birds

Identified on 8/24/2026