FNPS Plant Database
Betula nigra
river birch
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Nomenclature
Common Name:
river birch
Synonym(s):
Genus species:
Betula nigra
Family:
Betulaceae
Plant Specifics
Form:
tree
Size:
50-80 ft tall by 40 ft wide
Life Span:
long-lived perennial; moderately long-lived
Flower Color:
green, insignificant
Fruit Color:
Phenology:
deciduous; inconspicuous blooms in spring
Noted For:
Landscaping
Recommended Uses:
Specimen plant located where the salmon-colored shaggy bark can be seen. Use for shoreline erosion control. Has been used for mine reclamation due to its tolerance of acidic soils.
Considerations:
Although native to floodplains, it is not tolerant of extended periods of flooding.
Availability:
Propagation:
Seed. Naturally transported by wind and water.
Light:
Moisture Tolerance:
Always Flooded------------------------------------------------Extremely Dry
Stays Wet ---to--- Not wet but not extremely dry
Salt Water Flooding Tolerance:
Not salt tolerant of inundation by salty or brackish water
Salt Spray/Salty Soil Tolerance:
Low/no tolerance of salty wind or direct salt spray
Soil or Other Substrate:
Clay, Loam, Sand
Soil pH:
6.5 and lower
Suitable to Grow In:
8A, 8B, 9A

USDA zones are based on the average annual extreme minimum winter temperature.

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Ecology
Wildlife:
Birds and small mammals consume seed.
Larval host for mourning cloak (Nymphalis antiopa) and dreamy duskywing (Erynnis icelus) butterflies.
Native Habitats:
river floodplains
Natural Range in Florida:
Visit the USF Libraries Atlas of Florida Plants
Comments:
Ethnobotany:
Cut as pulpwood. Has been used for cabinetry where fine or strong wood is not needed.
General Comments:
Noted for its shaggy, peeling salmon-colored bark. The natural form is a single-trunked tree, but multi-trunked cultivars are common. Southernmost birch in the United States.






