Soursop (Annona muricata)

Soursop

Annona muricata

Its spiny fruit holds tropical sweetness, a bold contrast to glossy leaves. Evergreen fruiting tree; common names: soursop, guanabana.

Full sun
2–3/week
Moderate
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Plant Needs

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Sunlight Full sun to partial shade; young plants benefit from dappled shade to prevent leaf scorch in hot climates
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Watering Water deeply when the top 5–10 cm of soil dries out; avoid waterlogging to prevent root rot
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Temperature Thrives in warm tropical temperatures; cannot tolerate frost or temperatures below 10°C
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Characteristics

  • Leaf: Glossy oblong to elliptical leaves; dark green upper surface, pale green underside
  • Flower: Large yellow-green fleshy flowers with three outer petals; faintly fragrant
  • Fruit: Spiny heart-shaped green fruit with white, juicy aromatic flesh
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Care Guide

Watering

Keep soil consistently moist; increase watering frequency during hot, dry spells

Fertilization

Apply balanced diluted fertilizer every 4 weeks. Avoid over-fertilizing to prevent excessive foliage growth at the expense of fruiting

Banana peel compost tea:Compost banana peels for 2–3 weeks, steep in water for 3 days, dilute 1:20 for root drench; avoid applying undiluted compost to prevent root burn
Pruning
  • Remove dead, diseased, or crossing branches to improve airflow and light penetration
  • Thin crowded branches to promote fruiting and maintain a compact tree shape
  • Prune container-grown trees in spring to control height and encourage bushier growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; contains annonacin, a neurotoxin that may cause vomiting, diarrhea, and neurological signs

Humans: Ripe fruit flesh is safe in moderation; excessive seed ingestion or unripe fruit may cause neurotoxic effects and gastrointestinal upset

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Garden Uses & Culture

Culture: N/A

Usage: Edible fruit used in beverages, desserts, and jams; traditional medicinal applications with limited scientific validation