Dumb Cane 'Tiki' (Dieffenbachia maculata Tiki)

Dumb Cane 'Tiki'

Dieffenbachia maculata Tiki

Variegated leaves paint calm green and cream, a lush indoor focal point. Evergreen foliage plant; common name: Dumb Cane 'Tiki'.

Partial sun
1–2/week
Beginner
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Plant Needs

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Sunlight Bright indirect light to preserve variegation; avoid harsh direct sunlight which can scorch leaves; tolerates low light but variegation may fade
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Watering Water when the top 2–3 cm of soil feels dry; avoid overwatering to prevent root rot and fungal growth
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Temperature Thrives in 18–25°C; avoid cold drafts and temperatures below 12°C which can cause leaf yellowing
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Characteristics

  • Leaf: Ovate, glossy green with irregular creamy-white variegation along midrib and margins
  • Stem: Thick, fleshy, upright green stem with prominent leaf scars
  • Inflorescence: Pale green spathe enclosing a spadix (rarely produced in indoor cultivation)
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Care Guide

Watering

Keep soil evenly moist but not waterlogged; mist leaves occasionally to boost humidity

Fertilization

Diluted balanced liquid feed every 4 weeks. Discontinue fertilization in autumn and winter when growth slows

Banana peel compost tea:Compost banana peels for 2 weeks, steep in water, dilute 1:20 for root drench; avoid using raw peels to prevent pest infestations
Pruning
  • Remove yellow or damaged leaves at the base to maintain plant health and appearance
  • Trim overgrown stems in spring to encourage bushier, more compact growth
  • Wipe leaves weekly with a damp cloth to remove dust and preserve variegation clarity
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; ingestion leads to oral pain, drooling, vomiting, and difficulty swallowing

Humans: Contains calcium oxalate crystals; ingestion causes oral irritation, swelling, and temporary difficulty speaking

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Garden Uses & Culture

Culture: Variegated foliage symbolizes freshness and calm in modern interior design

Usage: Indoor ornamental foliage; recognized for mild air-purifying properties per NASA clean air study