Black Tupelo (Nyssa sylvatica)

Black Tupelo

Nyssa sylvatica

Its fiery fall foliage blazes like sunset embers against the sky. Deciduous ornamental tree; common names: black tupelo, sour gum.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Full sun to partial shade; thrives in consistent sunlight for optimal fall foliage vibrancy
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Watering Water deeply and infrequently, allowing topsoil to dry between waterings; tolerant of occasional seasonal flooding
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Temperature Hardy to -30°C; adapts to temperate climates, with moderate tolerance for summer heat
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Characteristics

  • Leaf: Oval to obovate, glossy green foliage turning vivid red, orange, or purple in fall
  • Flower: Small, greenish-white clustered blooms; male and female flowers on separate dioecious trees
  • Stem/Bark: Mature bark has deeply furrowed, blocky texture; young stems are smooth and gray
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Care Guide

Watering

Keep soil consistently moist during active growth periods

Fertilization

Apply slow-release balanced fertilizer once at bud break. Avoid high-nitrogen fertilizers that may reduce fall foliage intensity

Eggshell powder topdressing:Crush dried eggshells into fine powder; sprinkle lightly around the base to boost soil calcium levels without altering pH drastically
Pruning
  • Remove dead, damaged, or crossing branches in late winter before new growth emerges
  • Thin crowded inner branches to improve air circulation and light penetration
  • Avoid heavy pruning; maintain the tree's natural rounded canopy shape
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats

Humans: No known toxicity to humans

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Garden Uses & Culture

Culture: Fall foliage symbolizes seasonal transition; often used in memorial plantings for its enduring beauty

Usage: Ornamental shade tree; fruits provide food for native birds and wildlife