SelecTree: Tree Detail

SOUR GUM
Nyssa sylvatica

Nyssa sylvatica Nyssa sylvatica Nyssa sylvatica Nyssa sylvatica Nyssa sylvatica Nyssa sylvatica Nyssa sylvatica Nyssa sylvatica Nyssa sylvatica Nyssa sylvatica Nyssa sylvatica Nyssa sylvatica Nyssa sylvatica Nyssa sylvatica Nyssa sylvatica

Photo Locations: Corvallis, OR, Dallas Arboretum - Dallas, TX, Louisiana State Arboretum - Ville Platte, LA, UC Berkeley Botanic Garden - Berkeley, CA, San Luis Obispo, CA, Hoyt Arboretum - Portland, OR, Los Angeles County Arboretum - Arcadia, CA, Finch Arboretum - Spokane, WA and The National Arboretum - Washington, DC

General Notes

Withstands drought. Tolerates poor drainage and low soil oxygen found in compacted urban soil. Reliable fall color. Leaves are elliptic obovate.

Native to Eastern United States.

Trees may be referred to as male or female.

Family: Nyssaceae

Additional Common Names

SOUR GUM, TUPELO, PEPPERIDGE, BLACK GUM, BLACK TUPELO, WATER TUPELO, BLACKGUM

Tree Characteristics

Erect or Spreading with a High Canopy.

Conical or Oval Shape.

Has Deciduous foliage.

Height: 30 - 50 feet.

Width: 20 - 30 feet.

Growth Rate: 12 to 24 Inches per Year.

Longevity Greater than 150 years.

Leaves Ovate, Glossy Dark Green, Red, Orange or Multicolored, Deciduous.

Flowers Inconspicuous. Greenish-Yellow. Flowers in Spring. Has either male or female flowers (dioecious). Trees may be sold as male or female.

Black or Mostly Blue Drupe, Medium (0.50 - 1.50 inches), fruiting in Fall or Winter Wildlife use it.

Bark Black, Dark Brown or Red Brown, Blocky, Furrowed or Scaly.

Shading Capacity Rated as Moderate in Leaf.

Shading Capacity Rated as Moderate out of Leaf.

Litter Issue is Dry Fruit.

Tree Site Conditions & Constraints

Sunset Zones 2 - 10 and 14 - 21.

USDA Hardiness Zones 5 - 9.

Exposure Full Sun to Partial Shade.

Wet to Dry Soil.

Drought tolerant.

Clay, Loam or Sand Texture.

Highly Acidic to Highly Alkaline Soil pH.

Salinity Tolerance is Moderate on Coast.

Seaside Tolerance is Good in Mild Zone.

Pests & Disease Information

Susceptible to Fusarium, Phytophthora, Root Rot, Rust and Verticillium.

Health, Safety & Environmental Concerns

Branch Strength Rated as Strong.

Root Damage Potential Rated as Low.

Allergy Health Hazard.

Desirable Wildlife Plant.

Attracts Birds.

Deer Palatable.

Wildlife use Fruit.

Special Uses & Values

Riparian.

Cite this tree:
SelecTree. "Nyssa sylvatica Tree Record." 1995-2018. Aug 16, 2018.
< https://selectree.calpoly.edu/tree-detail/nyssa-sylvatica >

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