Long-lobed Alocasia (Alocasia longiloba)

Long-lobed Alocasia

Alocasia longiloba

Its lobed leaves unfurl like tropical sails, a dramatic indoor foliage. Common name: Long-lobed Alocasia.

Partial sun
1–2/week
Moderate
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Plant Needs

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Sunlight Bright indirect light; avoid direct midday sun to prevent leaf scorching; tolerates low light for short periods
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Watering Water thoroughly when the top 2–3 cm of soil is dry; avoid waterlogging to prevent root rot
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Temperature Thrives at 18–26°C; protect from temperatures below 15°C to avoid leaf yellowing and stunted growth
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Characteristics

  • Leaf: Large arrow-shaped leaves with deep basal lobes; glossy dark green with prominent pale veins
  • Stem: Thick, fleshy upright petioles; compact clumping growth habit
  • Inflorescence: Small pale green spathe and spadix; rarely produced in indoor cultivation
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Care Guide

Watering

Keep soil slightly moist; mist leaves 2–3 times weekly to boost humidity

Fertilization

Diluted liquid feed every 2 weeks. Use balanced, diluted fertilizer during active growth; avoid feeding in autumn and winter

Composted banana peel tea:Steep fully composted banana peels in water for 24 hours; dilute 1:20 for root drench to avoid nutrient burn
Pruning
  • Remove yellowing or damaged leaves at the base to maintain plant health and airflow
  • Trim overgrown petioles to control plant size and encourage compact growth
  • Repot in spring and trim circling roots to promote new root development
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; calcium oxalate crystals cause oral pain, hypersalivation, and vomiting

Humans: Contains calcium oxalate crystals; ingestion causes oral irritation and swelling

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental indoor foliage; tropical garden plant in frost-free regions