Triangle Palm
dypsis decaryi
Also known as: ["Three-sided Palm","Neodypsis decaryi"]
Overview
A striking palm native to Madagascar, recognized for its unique triangular stem and feathery, arching fronds.
Benefits & Perks
["aesthetic foliage","rare/collector’s item"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Liliopsida |
| Order: | Arecales |
| Family: | Arecaceae |
| Genus: | Dypsis |
| Botanical Name: | Dypsis decaryi |
Plant Characteristics
Basic Information
- Category: Trees
- Suitable Location: indoor pot in bright, indirect light or sheltered outdoor location
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"15–30°C"}
- Hardiness: {"zones":"10–12"}
- Misting: every 2–3 days in dry climates, rarely required in humid environments
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Well-draining potting mix with added sand or perlite for aeration.
Maintenance Level
- Maintenance Level: moderate
- Toughness Level: moderate
- Pruning Frequency: As needed, typically every 6–12 months or when fronds become unsightly.
- Pruning Intensity: Light to moderate; avoid removing more than 20% of foliage at once.
Care Details
Ideal Sunlight Coverage:
Bright indirect light for 6–8 hours daily; tolerates some direct morning sun but avoid harsh afternoon sun.
Sunlight Tolerance Tips:
Acclimate gradually to direct light; protect from intense sun to prevent scorching; adjust placement based on indoor/outdoor conditions.
Care Requirements
Care Difficulty
moderatemoderate
Sunlight
bright, indirect light or partial shade
Rotate plant for even growth; use sheer curtains to filter intense light; avoid direct afternoon sun.
Watering
every 7–10 days during active growth, reduce in winter
Water deeply to encourage root growth; allow soil to dry between waterings; avoid overwatering.
Soil
well-draining, slightly acidic potting mix
pH: Slightly acidic to neutral (pH 6.0–7.0).
Use a mix with good drainage; avoid heavy clay soils; ensure pots have drainage holes.
Temperature
Prefers 65–85°F (18–29°C); tolerates brief dips to 50°F (10°C) but thrives in warm conditions.
Avoid sudden temperature changes; protect from cold drafts; maintain consistent warmth for best growth.
Fertilizing
every 4–6 weeks during growing season, none in winter
Fertilize only when actively growing; flush soil occasionally to prevent salt buildup; avoid overfertilizing.
Propagation
Methods
Stem cuttings or division of suckers; stem cuttings are more common for home growers.
Step-by-Step Propagation Guide
- Take a healthy cutting.
- Apply rooting hormone.
- Plant in medium.
- Maintain humidity.
- Wait for roots.
Best Time: Spring or early summer when the plant is actively growing.
Environment
High humidity (70–90%); warm temperatures (75–85°F); indirect light.
Medium
Well-draining mix of peat, perlite, and sand; can also use water propagation for cuttings.
Hormone
Rooting hormone is recommended to speed up root development.
Timeline
Roots may develop in 4–8 weeks; new growth typically appears after 2–3 months.
Tools Needed
Pruning shears, rooting hormone, propagation tray, humidity dome.
Quick Tips
Use healthy, non-flowering stems; maintain consistent moisture; provide bottom heat for faster rooting.
Pruning & Repotting
Pruning Guide
Method
Cut fronds at the base; use clean, sharp tools to prevent damage or disease.
Pruning Plan
Remove dead or damaged fronds to maintain appearance and health; shape as needed to control size.
Tools
Pruning shears, sterilizing solution, gloves.
Checklist
Identify dead/damaged fronds; sterilize tools; cut cleanly; dispose of clippings.
Repotting Guide
Best Season
Spring, before the active growing season begins.
Pot Size
Choose a pot 1–2 inches larger in diameter than the current one.
Method
Remove plant gently; trim roots if needed; place in new pot with fresh soil; water lightly.
Suggestions
Repot every 2–3 years or when roots fill the pot; necessary to refresh soil and provide space.
Checklist
Check root bound status; prepare new pot; trim roots; add fresh soil; water lightly.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture; water deeply; ensure drainage; adjust for season.
How to Apply Water Properly
Water directly at the root zone until water drains from the bottom; ensure even moisture without waterlogging; water in the morning to reduce evaporation.
Watering Schedule Tips
Water thoroughly when the top 1–2 inches of soil are dry; reduce frequency in winter to prevent root rot.
Soil Improvement
Add perlite or coarse sand for drainage; incorporate organic matter for fertility; ensure proper aeration.
Temperature Stress Management
Signs of Temperature Issues
Yellowing leaves (cold stress); brown leaf tips or wilting (heat stress).
Cold Stress
Slows growth; may cause leaf discoloration or drop; vulnerable to root rot in cold, wet soil.
Solution: Move to a warmer location; protect from drafts; reduce watering in cool conditions.
Hot Stress
Leaf scorch; wilting despite moist soil; reduced vigor in extreme heat.
Solution: Provide shade during peak heat; increase humidity; water more frequently if soil dries quickly.
Fertilizing Guide
Fertilizing Checklist
Check growth phase; dilute fertilizer; apply to moist soil; stop in dormant season.
Fertilizing Method
Use balanced liquid fertilizer diluted to half strength every 4–6 weeks during growing season (spring/summer); cease in fall/winter.
Common Problems & Solutions
Toxicity Warning
Cats
Non-toxicDypsis decaryi is not considered toxic to cats. There are no known toxic effects or physiological impacts associated with this plant when ingested by cats.
⚡ Toxic If:
if eaten
Dogs
Non-toxicDypsis decaryi is not considered toxic to dogs. There are no known toxic effects or physiological impacts associated with this plant when ingested by dogs.
⚡ Toxic If:
if eaten
Humans
Non-toxicDypsis decaryi, commonly known as the Triangle Palm, is not considered toxic to humans. There are no known toxic effects or physiological impacts associated with this plant.
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: How much light does the Triangle Palm need?
A: It thrives in bright, indirect light but can tolerate some direct sunlight.
Q: Is the Triangle Palm suitable for indoor growing?
A: Yes, it can be grown indoors in a spacious area with adequate light.
Q: How often should I water the Triangle Palm?
A: Water moderately, allowing the top inch of soil to dry between waterings.
Quick Reference
| Family: | Arecaceae |
| Care: | moderate |
| Light: | bright, indirect light or part |
| Water: | every 7–10 days during activ |
Get Expert Care Tips
Download the Plantious app for personalized care reminders and plant identification!
Google Play App Store