Fish Poison Tree
barringtonia asiatica
Also known as: ["Beach Barringtonia","Putat Laut"]
Overview
A tropical tree species native to coastal regions of the Indo-Pacific, known for its large, leathery leaves and distinctive pinkish-white flowers.
Benefits & Perks
["fragrant flowers","wildlife attractant (bees, butterflies, birds)","shade tolerant"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Ericales |
| Family: | Lecythidaceae |
| Genus: | Barringtonia |
| Botanical Name: | Barringtonia asiatica |
Plant Characteristics
Basic Information
- Category: Trees
- Suitable Location: coastal gardens or tropical landscapes
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"20–30°C"}
- Hardiness: {"zones":"10–12"}
- Misting: rarely required, only if ambient humidity is very low
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Well-draining, loamy soil with added organic matter; can tolerate sandy soils if amended with compost.
Maintenance Level
- Maintenance Level: moderate
- Toughness Level: high
- Pruning Frequency: Annually or every 2 years; after flowering or in early spring.
- Pruning Intensity: Moderate; remove up to one-third of old growth to rejuvenate the plant.
Care Details
Ideal Sunlight Coverage:
Bright, indirect sunlight for 6–8 hours daily; can tolerate partial shade, especially in intense heat.
Sunlight Tolerance Tips:
Acclimate gradually to intense sunlight to avoid leaf burn; protect from direct midday sun; adjust placement based on seasonal light intensity.
Care Requirements
Care Difficulty
moderatemoderate
Sunlight
full sun to partial shade
Rotate plant weekly for even growth; use sheer curtains to filter intense light; avoid placing near west-facing windows in summer.
Watering
every 7–10 days during active growth, reduce in winter
Water thoroughly until it drains from the bottom; allow soil to dry between waterings; avoid overwatering, especially in cooler months.
Soil
well-draining, sandy loam with organic matter
pH: Slightly acidic to neutral (pH 6.0–7.0).
Use a mix of potting soil, perlite, and compost; avoid heavy clay soils; ensure pots have drainage holes.
Temperature
Prefers warm temperatures between 65–85°F (18–29°C); tolerates brief dips to 50°F (10°C) but thrives in consistently warm conditions.
Avoid sudden temperature fluctuations; protect from cold drafts; maintain consistent warmth for optimal growth.
Fertilizing
every 2–3 months during growing season
Apply fertilizer after watering to prevent root burn; flush soil occasionally to prevent salt buildup; adjust frequency based on plant growth.
Propagation
Methods
Stem cuttings or seeds; stem cuttings are more common for home growers.
Step-by-Step Propagation Guide
- Take a 4–6 inch cutting with at least two nodes.
- Remove lower leaves.
- Dip in rooting hormone.
- Plant in medium.
- Keep moist and warm.
Best Time: Spring or early summer when the plant is actively growing.
Environment
Warm, humid environment with indirect light; maintain consistent moisture in the medium.
Medium
Well-draining mix of peat, perlite, and sand; can also use water propagation for cuttings.
Hormone
Rooting hormone is recommended to improve success rates.
Timeline
Cuttings may root in 4–8 weeks; seed germination can take several weeks to months.
Tools Needed
Pruning shears, rooting hormone, small pots, well-draining medium, plastic wrap or propagator.
Quick Tips
Use healthy, non-flowering stems for cuttings; maintain high humidity around cuttings; ensure the medium is consistently moist but not waterlogged.
Pruning & Repotting
Pruning Guide
Method
Selective pruning of branches to shape the plant; remove crossing or crowded branches to improve air circulation.
Pruning Plan
Prune to maintain shape, encourage bushier growth, and remove dead or diseased branches; best done after flowering or in early spring.
Tools
Pruning shears, loppers, gloves, disinfectant for tools.
Checklist
Disinfect tools; prune during dormancy or after flowering; remove dead or diseased wood; shape the plant evenly.
Repotting Guide
Best Season
Spring, before the active growing season begins.
Pot Size
Choose a pot one size larger (1–2 inches wider) than the current one; ensure it has drainage holes.
Method
Remove plant gently; trim any circling roots; place in a new pot with fresh, well-draining soil; water thoroughly after repotting.
Suggestions
Repot every 2–3 years or when roots fill the pot; necessary to refresh soil and provide space for growth.
Checklist
Select appropriate pot size; prepare fresh soil mix; trim roots if necessary; water after repotting; place in shaded area for a few days.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture before watering; water thoroughly; ensure proper drainage; adjust frequency based on season.
How to Apply Water Properly
Water directly at the root zone, ensuring even saturation; water early in the morning to reduce evaporation; ensure excess water drains away to prevent waterlogging.
Watering Schedule Tips
Water deeply once 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 compost or well-rotted manure for fertility; ensure soil is loose and aerated.
Temperature Stress Management
Signs of Temperature Issues
Chlorosis or leaf drop in cold stress; wilting or scorching in excessive heat.
Cold Stress
Slows growth; may cause leaf drop or browning; increases susceptibility to root rot due to reduced metabolic activity.
Solution: Move to a warmer location; protect from drafts; reduce watering in cooler conditions; use a space heater if necessary.
Hot Stress
Leaves may wilt, scorch, or drop; growth may slow; increased water loss through transpiration.
Solution: Provide shade during peak heat; increase humidity with misting or a humidifier; water more frequently but avoid waterlogging.
Fertilizing Guide
Fertilizing Checklist
Use diluted fertilizer; apply during active growth; avoid winter feeding; flush soil periodically.
Fertilizing Method
Use a balanced, water-soluble fertilizer diluted to half strength every 4–6 weeks during the growing season (spring to early fall); avoid fertilizing in winter.
Common Problems & Solutions
Toxicity Warning
Cats
ToxicCats are susceptible to the toxic effects of Barringtonia asiatica, particularly from its seeds and fruits. The plant's toxic compounds can cause severe gastrointestinal and neurological symptoms in felines.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Dogs
ToxicThe seeds and fruits of Barringtonia asiatica are toxic to dogs, containing compounds that can cause severe gastrointestinal distress and potential neurological symptoms. Ingestion can lead to significant health complications.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Humans
ToxicBarringtonia asiatica contains saponins and other toxic compounds that can cause severe gastrointestinal and neurological effects upon ingestion. These compounds disrupt cellular functions and can lead to systemic toxicity.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: Is Barringtonia asiatica safe for pets?
A: No, it is toxic to dogs and cats.
Q: What are the traditional uses of this plant?
A: Historically, its seeds have been used to stun fish for fishing.
Q: Does it require full sun?
A: Yes, it thrives in full sun but can tolerate partial shade.
Quick Reference
| Family: | Lecythidaceae |
| Care: | moderate |
| Light: | full sun to partial shade |
| Water: | every 7–10 days during activ |
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