Alocasia ‘Borneo Giant’ / Giant Elephant Ear (Alocasia macrorrhizos)
Alocasia ‘Borneo Giant’ is a true oversized tropical statement plant known for its massive, upright “elephant ear” leaves and bold, architectural presence. In warm, humid conditions it can grow into an impressive, jungle-style focal point—perfect for large landscapes, pool areas, and oversized containers where you want dramatic height and lush greenery.
Ideal for: tropical landscape beds, pool areas (with partial shade), privacy backdrops, large patio containers, and warm-climate gardens where you want maximum impact foliage.
🌿 Plant Features
Botanical Name: Alocasia macrorrhizos
Common Name: Alocasia ‘Borneo Giant’, Giant Taro, Giant Elephant Ear
Plant Type: Tropical foliage plant (Aroid / Elephant Ear)
Foliage: Huge, upright, glossy green leaves; thick texture with strong tropical presence
Growth Habit: Upright clumping plant; thick stems; dramatic scale
Mature Size:
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Outdoors (warm climates): ~8–15+ ft tall (can be larger in ideal conditions)
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Indoors/containers: ~4–8 ft tall (varies by pot size, light, and care)
Visual Style: Oversized “jungle” statement plant
USDA Zones: 9–11 (can be grown in 8 with winter protection; protect from frost)
🪴 Care & Maintenance Guide
🌞 Light
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Best: Bright, indirect light indoors
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Outdoors: Partial shade to filtered sun (morning sun is ideal)
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Avoid: Harsh afternoon sun (leaf scorch) and deep shade (slower growth)
💧 Watering
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Water when the top 1–2 inches of soil begin to dry
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Keep soil evenly moist but never soggy
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Tip: Bigger leaves come from consistent moisture + warmth, but poor drainage can cause root rot
🪨 Soil
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Rich, well-draining tropical/aroid mix
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Great mix idea: potting soil + orchid bark + perlite
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Containers must have drainage holes
🌡️ Temperature & Humidity
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Ideal temperature: 65–90°F (18–32°C)
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Prefers moderate to high humidity for best leaf size and clean edges
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Avoid cold drafts and temperatures below 55°F (13°C)
🌿 Fertilization
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Feed every 3–4 weeks during spring and summer (it’s a heavy feeder)
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Use a balanced fertilizer at label rate
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Reduce feeding in fall/winter
✂️ Pruning
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Remove yellowing/damaged leaves at the base with clean shears
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Cut back after cold damage in cooler climates (it may resprout from the corm/rhizome)
⚠️ Common Issues
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Yellow leaves: overwatering or poor drainage
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Brown edges: low humidity, inconsistent watering, or mineral buildup
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Drooping: thirsty plant, cold stress, or sudden changes
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Pests (indoors): spider mites/thrips—treat early if detected
📦 What You’ll Receive
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One healthy Alocasia ‘Borneo Giant’ (Alocasia macrorrhizos) in a nursery pot
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Natural variations in leaf size, height, and fullness are normal
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Minor cosmetic leaf marks may occur from normal growing/handling
✅ Acclimation Tip
After delivery, let the plant settle 2–4 days in a stable spot with bright, indirect light. Avoid repotting immediately. Water only if the top of the soil has started to dry.
⚠️ Safety Note
Alocasia is toxic if ingested (pets and children) and contains calcium oxalate crystals. Keep out of reach, and wash hands after handling or pruning.