Betula nigra
- BOTANICAL NAME: Betula nigra
- PRONUNCIATION: BET-u-la NI-gra
- COMMON NAME: Red or River Birch
- FAMILY: Betulaceae
- NATIVITY: Eastern North America; found along streams and rivers of southern coastal plain where it is the only birch found.
- GROWTH HABIT: Pyramidal when young, rounded when mature, multitrunked, low-branched; 40'-70' (90') tall. Can average 2' growth per year. Medium to fast growth rate.
- HARDINESS: Zone 4-9
- CULTURE: Moist, rich, acid soil, but adaptable to soil moisture. Heat tolerant.
- SUCCESSIONAL STATUS: Seral
- FACULTATIVE STATUS: Facultative wetland
- LANDSCAPE USE: An outstanding native tree with attractive ornamental bark.
- FOLIAGE: Alternate, simple, 1 ½" - 3 ½" long, ovate, acuminate, serrate margin. Sometimes has shallow lobes.
- BUDS: Small, less than 1/5" long, chestnut-brown. Male catkins present fall to spring (all Betula), borne in 2's and 3's; 2"-3" long.
- BARK: Exfoliating; gray-brown to ivory or copper-colored.
- FRUIT: Small nutlet borne in catkins.
- PROPAGATION: Easy from seed or cuttings.
- PESTS: Leaf miner; considered borer-resistant.
- CULTIVARS: