Kutej Durian (Durio kutejensis)

Kutej Durian

Durio kutejensis

Its spiky husk hides creamy, aromatic flesh—tropical fruit treasure. Evergreen tropical tree; common names: Kutej Durian, Red Durian.

Full sun
2–3/week
Moderate
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Plant Needs

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Sunlight Requires full direct sunlight for 6–8 hours daily; tolerates partial midday shade in extreme tropical heat
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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 survive prolonged exposure below 18°C
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Characteristics

  • Leaf: Elliptic to oblong, glossy dark green upper surface, pale pubescent underside, 10–25 cm long
  • Flower: Clustered pale yellow to cream blooms, fragrant, borne directly on trunk and large branches
  • Fruit: Spiky ovoid reddish-brown husk; contains creamy, edible arils surrounding large seeds
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Care Guide

Watering

Increase watering to 2–3 times weekly during dry periods; maintain consistent soil moisture

Fertilization

Apply balanced organic fertilizer every 4 weeks to support flowering. Avoid high-nitrogen fertilizers to prevent excessive foliage growth over fruiting

Banana peel compost tea:Use fully composted banana peels steeped in water for 3 days; dilute 1:20 for root drench to avoid odor and pest issues
Pruning
  • Remove dead or diseased branches in late winter to improve canopy airflow
  • Thin overcrowded inner branches to allow sunlight penetration for fruit development
  • Prune lower trunk branches to create clear access for fruit harvesting
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA unlisted; ingestion of leaves or raw seeds may cause mild vomiting or diarrhea

Humans: Ripe fruit arils are edible; raw seeds may cause mild gastrointestinal irritation if ingested

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Garden Uses & Culture

Culture: N/A

Usage: Edible fruit production; ornamental tropical canopy tree