Nyssa biflora

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Swamp Black Gum, Swamp Tupelo


Also known as Nyssa sylvatica var. biflora

Plant Specifics

Size:60-80 ft tall by 40 ft wide
Life Span:Long-lived perennial
Flower Color:NA
Fruit Color:NA
Phenology:Deciduous. Blooms in spring. Fruits ripen in fall.
Noted for:Fall color, Hurricane wind resistance


Recommended Uses:Grows naturally in swamps and best planted in moist areas. For moist settings, it is appropriate both as a shade tree and as a fall-color specimen tree in those parts of the state that get good fall cooling.
Availability:Native nurseries, FNPS plant sales
Light: Full Sun,  Part Shade
Moisture Tolerance:
always floodedextremely dry
 (Stays Wet ----- to ----- Somewhat moist, no flooding)
Moisture Tolerance: Stays Wet ----- to ----- Somewhat moist, no flooding
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:Organic material (muck), Sand
Soil pH:Acidic



Fruite eaten by birds and small to medium sized animals.


Pollinated by bees.

Native Habitats:Dome swamps, strand swamps. Tolerates extended periods of inundation.

Distribution and Planting Zones

Natural Range in Florida
USDA Zones

Suitable to grow in:
8A 8B 9A 9B 

USDA zones are based on minimum winter temperatures


General Comments:Its more upland relative, Nyssa sylvatica, grows well in sandy uplands and is highly similar in appearance. Somewhat slow growing.