Alligator Apple (Annona glabra)

Alligator Apple

Annona glabra

Its glossy leaves and fragrant blooms carry tropical charm. Evergreen small tree; common name: alligator apple.

Full sun
2–3/week
Moderate
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Plant Needs

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Sunlight Full sun to partial shade; tolerates coastal salt spray and dappled shade in wetland habitats
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Watering Keep soil consistently moist; tolerates standing water and periodic flooding for short periods
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Temperature Thrives in warm tropical to subtropical temperatures; avoid frost and prolonged exposure below 10°C
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Characteristics

  • Leaf: Glossy elliptical evergreen leaves with leathery texture; dark green upper surface, pale green underside
  • Flower: Fragrant pale yellow to cream blooms with 3 thick, fleshy outer petals
  • Fruit: Round, green apple-like fruit with white, sweet edible pulp when ripe; seeds are toxic
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Care Guide

Watering

Maintain consistent soil moisture; tolerate temporary flooding during heavy rains

Fertilization

Apply diluted balanced fertilizer every 4 weeks. Avoid high-nitrogen fertilizers to prevent excessive foliage growth at the cost of flower and fruit production

Banana peel compost tea:Use fully composted banana peels; dilute 1:25 with water for root drenching to avoid odor and pest issues
Pruning
  • Remove dead, damaged, or diseased branches in early spring to improve airflow
  • Thin crowded inner stems to increase light penetration and support fruiting
  • Trim overgrown branches to maintain desired tree shape and size
  • Remove suckers to direct growth to the main trunk and fruiting branches
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; contains annonacin alkaloids that may cause vomiting, diarrhea, abdominal pain, and lethargy

Humans: Ripe fruit pulp is safe to eat, but seeds contain mild toxic alkaloids that may cause gastrointestinal upset if ingested

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Garden Uses & Culture

Culture: N/A

Usage: Edible ripe fruit; ornamental coastal wetland tree; wetland restoration species to stabilize shorelines