Triangle Palm (Dypsis decaryi)

Triangle Palm

Dypsis decaryi

Its triangular frond whorls create sharp, sculptural symmetry. Evergreen palm tree; common name: Triangle Palm.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Full sun to partial shade outdoors; bright indirect light indoors to avoid leaf scorch
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Watering Water deeply when the top 15–20 cm of soil dries completely; avoid standing water to prevent root rot
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Temperature Thrives in 18–30°C; protect from frost below 10°C to prevent foliage damage
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Characteristics

  • Leaf: Triangular whorls of arching, pinnate fronds with blue-green, fine-textured leaflets
  • Stem: Slender, smooth trunk with persistent fibrous leaf sheaths forming a layered base
  • Inflorescence: Creamy-yellow, branched flower clusters emerging beneath frond whorls
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Care Guide

Watering

Keep soil consistently moist but not waterlogged; increase frequency during hot, dry spells

Fertilization

Diluted balanced palm fertilizer every 4 weeks. Avoid over-fertilizing to prevent salt buildup in soil

Banana peel compost tea:Compost banana peels for 2–3 weeks, steep in water for 24 hours, dilute 1:20 for root drench to support frond health
Pruning
  • Trim brown, dead fronds at the base to maintain a tidy appearance
  • Remove spent flower clusters to redirect energy toward foliage growth
  • Avoid cutting green fronds, as they support photosynthesis and structural stability
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA confirmed non-toxic to cats

Humans: No known toxicity to humans

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Garden Uses & Culture

Culture: Symbolizes tropical elegance and geometric structural order in landscape design

Usage: Ornamental landscape palm for gardens; large indoor specimen plant for high-ceiling spaces