Elephant Ear
alocasia longiloba
Also known as: ["African Mask Plant","Crispy Wave Plant"]
Overview
A tropical plant with large, arrow-shaped leaves and striking variegation, native to Southeast Asia.
Benefits & Perks
["aesthetic foliage","shade tolerant","rare/collector’s item"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Liliopsida |
| Order: | Alismatales |
| Family: | Araceae |
| Genus: | Alocasia |
| Botanical Name: | Alocasia longiloba |
Plant Characteristics
Basic Information
- Category: Leaf Plants
- Suitable Location: indoor pot in a humid room with bright, filtered light
- Suitable For:
- Is Weed: No
- Allergenicity: moderate
Environmental Needs
- Climate: {"temperatureRange":"18–30°C"}
- Hardiness: {"zones":"10–12"}
- Misting: every 2–3 days to maintain high humidity
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Well-draining, rich in organic matter; mix of peat, perlite, and orchid bark.
Maintenance Level
- Maintenance Level: moderate
- Toughness Level: moderate
- Pruning Frequency: As needed, typically every 1–2 months during growing season.
- Pruning Intensity: Light to moderate; focus on removing only unhealthy or overgrown parts.
Care Details
Ideal Sunlight Coverage:
Bright indirect light for 6–8 hours daily; adjust to morning sun in winter if needed.
Sunlight Tolerance Tips:
Gradually acclimate to brighter light to prevent leaf burn; protect from direct afternoon sun; adjust placement based on indoor/outdoor conditions.
Care Requirements
Care Difficulty
moderatemoderate
Sunlight
bright indirect light, protected from direct sun
Rotate plant weekly for even growth; use sheer curtains to filter intense light; avoid direct sun exposure.
Watering
every 7–10 days during active growth, reducing frequency in winter
Water deeply to encourage root growth; allow soil to dry partially between waterings; avoid overwatering.
Soil
well-draining, rich in organic matter with peat or coco coir
pH: Slightly acidic to neutral (pH 5.5–6.5).
Use a pot with drainage holes; avoid heavy clay soils; top-dress with organic matter annually.
Temperature
Prefers 65–85°F (18–29°C); thrives in warm, stable conditions; sensitive to cold drafts.
Avoid sudden temperature changes; maintain stable warmth; protect from cold drafts.
Fertilizing
every 2–4 weeks during growing season (spring–summer), none in winter
Apply fertilizer to moist soil to prevent root burn; flush soil occasionally to prevent salt buildup; avoid over-fertilizing.
Propagation
Methods
Stem cuttings or division of rhizomes.
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), and indirect light.
Medium
Well-draining mix of peat, perlite, and sand.
Hormone
Recommended to promote root development.
Timeline
Roots may develop in 3–6 weeks; new growth in 2–3 months.
Tools Needed
Pruning shears, rooting hormone, propagation tray, humidity dome.
Quick Tips
Use sterile tools to prevent disease; maintain consistent moisture; provide bottom heat for faster rooting.
Pruning & Repotting
Pruning Guide
Method
Cut stems just above a leaf node or bud; remove entire leaves if necessary.
Pruning Plan
Remove dead or damaged leaves to maintain plant health and aesthetics; encourage new growth.
Tools
Clean, sharp pruning shears or scissors.
Checklist
Inspect plant; sanitize tools; cut cleanly; dispose of clippings; clean up debris.
Repotting Guide
Best Season
Spring or early summer when the plant is actively growing.
Pot Size
Increase pot size by 1–2 inches in diameter; ensure good drainage.
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; promotes growth and prevents root-bound conditions.
Checklist
Check root health; prepare new pot; use fresh soil; water after repotting; monitor for stress.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture; water deeply; ensure proper drainage; adjust for season.
How to Apply Water Properly
Water at the base of the plant, ensuring even moisture distribution to the root zone; water until it drains from the bottom; avoid wetting foliage to prevent fungal issues.
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 sand for drainage; incorporate compost for fertility; ensure aeration with orchid bark.
Temperature Stress Management
Signs of Temperature Issues
Yellowing leaves, stunted growth, or leaf drop in cold; wilting or brown leaf edges in heat.
Cold Stress
Slows growth, causes leaf discoloration, and may lead to root rot due to reduced metabolic activity.
Solution: Move to a warmer location; protect from drafts; reduce watering in cooler conditions.
Hot Stress
Leaves may wilt, curl, or develop brown edges; growth may slow due to excessive transpiration.
Solution: Increase humidity, provide shade during peak heat, and ensure adequate watering.
Fertilizing Guide
Fertilizing Checklist
Check season; dilute fertilizer; apply to moist soil; monitor for signs of over-fertilization.
Fertilizing Method
Use balanced liquid fertilizer diluted to half strength every 4–6 weeks during growing season (spring/summer); reduce or stop in fall/winter.
Common Problems & Solutions
Toxicity Warning
Cats
ToxicCats are highly sensitive to the calcium oxalate crystals in Alocasia longiloba. Ingestion can cause severe oral and gastrointestinal irritation, leading to pain, swelling, and potential respiratory issues.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Dogs
ToxicIn dogs, ingestion of Alocasia longiloba can lead to oral irritation, gastrointestinal upset, and respiratory distress due to the presence of calcium oxalate crystals. The plant's toxicity can cause significant discomfort and potential health risks.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Humans
ToxicAlocasia longiloba contains calcium oxalate crystals, which can cause severe irritation and swelling of the mouth, throat, and digestive tract upon ingestion. The crystals physically irritate the mucous membranes, leading to pain and discomfort.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: Is Alocasia longiloba toxic to pets?
A: Yes, it is toxic to dogs and cats if ingested.
Q: How often should I water Alocasia longiloba?
A: Water when the top inch of soil is dry, ensuring good drainage to prevent root rot.
Q: Does Alocasia longiloba require direct sunlight?
A: No, it prefers bright, indirect light and can tolerate shade.
Quick Reference
| Family: | Araceae |
| Care: | moderate |
| Light: | bright indirect light, protect |
| Water: | every 7–10 days during activ |
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