River Birch
Betula nigra · Deciduous broadleaf hardwood
Plant Family
Betulaceae
Tree Category
Shade Tree / Ornamental / Native
Variety / Cultivar
Dura Heat or Heritage (commonly multi-stemmed landscape cultivars)
Hardiness Zones
Thrives in USDA Hardiness Zones 4 through 9, adapting well to varying temperature ranges and summer heat.
About This Tree
A medium to large deciduous tree often featuring multiple trunks with distinctive peeling, colorful bark, a graceful oval to rounded canopy, and a moderate to fast growth rate.
Leaf Characteristics
Alternate, simple leaves, diamond-shaped to ovate with doubly serrated margins, 1 to 3 inches long, medium green turning yellow in autumn.
Bark Characteristics
Exfoliating (peeling) bark revealing shades of creamy white, cinnamon, reddish-brown, and dark gray underneath, becoming rough and dark at the base on older trees.
Growing Information
Origin Region
Native to the Eastern and South-Central United States, typically found along riverbanks and floodplains.
Growing Season
Leafs out in early spring, produces small catkins in spring, drops leaves in autumn after turning yellow, and enters dormancy through winter.
Sunlight & Water Needs
Prefers full sun to partial shade, requires consistent moisture, and performs well in wet soils while having moderate drought tolerance once established.
Mature Size
Mature height of 40 to 70 feet with a spread of 40 to 60 feet, moderate-to-fast growth rate, and a typical lifespan of 50 to 75 years.
Special Characteristics
High resistance to bronze birch borer compared to other birches, excellent tolerance for wet or poorly drained soils, and highly valued for its striking multi-season exfoliating bark.
Wildlife & Ecology
Provides seeds and catkins consumed by birds and small mammals, offers nesting sites, and serves as a larval host for several butterfly and moth species.