White Oak

Quercus alba · Deciduous broadleaf hardwood

White Oak

Plant Family

Fagaceae

Tree Category

Shade Tree, Forest Tree, Timber Tree

Variety / Cultivar

Species type (no specific named cultivar identified)

Hardiness Zones

USDA Zones 3-9

About This Tree

Large, majestic deciduous shade tree with a broad, rounded crown, sturdy spreading branches, and a massive trunk at maturity. Known for long lifespan and durable hardwood.

Leaf Characteristics

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

Bark Characteristics

Light gray to whitish, shallowly fissured into scaly blocks or vertical strips, becoming rugged and deeply furrowed on very old trunks

Growing Information

Origin Region

Eastern and central North America

Growing Season

Leafs out in mid-spring, produces flowers in spring, drops acorns in autumn, enters winter dormancy late autumn

Sunlight & Water Needs

Full sun preferred; moderate water needs once established with good drought tolerance

Mature Size

Height of 50-80 feet, spread of 50-80 feet, slow to moderate growth rate, can live for centuries

Special Characteristics

High-value timber, excellent fall color, strong wind resistance, highly durable wood historically used in shipbuilding

Wildlife & Ecology

Acorns provide vital nutrition for numerous mammals and birds; supports hundreds of caterpillar species and provides nesting habitat

Identified on 8/4/2026
White Oak - Quercus alba | Tree Identifier