Calabash Tree (Crescentia cujete)

Calabash Tree

Crescentia cujete

Its gourd-like fruits hold cultural utility and tropical charm. Evergreen flowering tree; common name: calabash gourd tree.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Requires full sun to partial shade; tolerates brief direct sunlight but benefits from afternoon shade in hot climates
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Watering Water deeply when the top 5–10 cm of soil is dry; avoid overwatering to prevent root rot
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Temperature Thrives in warm tropical temperatures; protect from frost below 10°C to prevent leaf damage
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Characteristics

  • Leaf: Simple, obovate to elliptical, glossy green, clustered at stem tips
  • Flower: Funnel-shaped, pale green to cream, fragrant, opens exclusively at night
  • Fruit: Large, hard-shelled gourd-like fruit, up to 30 cm in diameter
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Care Guide

Watering

Maintain consistent soil moisture during active growth periods

Fertilization

Apply diluted balanced fertilizer every 2 weeks. Cease fertilization during winter dormancy

Banana peel compost tea:Compost banana peels for 2–3 weeks, steep in water for 24 hours, dilute 1:20 for root drench; avoid using raw peels to prevent pest infestations
Pruning
  • Remove dead, damaged, or crossing branches in early spring to improve airflow
  • Thin dense canopy to promote light penetration and even fruit development
  • Trim suckers at the base to maintain a neat tree shape and redirect energy to main growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no documented toxicity

Humans: Non-toxic to humans; no known adverse effects from ingestion or contact

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Garden Uses & Culture

Culture: Fruits are used to craft containers, musical instruments, and decorative items in Mesoamerican and Caribbean cultures

Usage: Ornamental landscape tree; fruit used in traditional folk medicine for minor ailments