Tea (Colocasia esculenta 'Tea/ Coffee Cup')

Tea

Colocasia esculenta 'Tea/ Coffee Cup'

Curled leaves form whimsical cup shapes, a playful tropical foliage. Ornamental tuberous perennial; common name: Tea/Coffee Cup Elephant Ear.

Partial sun
2/week
Moderate
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Plant Needs

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Sunlight Bright indirect light; tolerate partial shade, avoid harsh midday direct sun that can scorch leaf margins
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Watering Keep soil consistently moist but not waterlogged; avoid letting roots sit in standing water to prevent rot
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Temperature Thrives in 18–27°C; protect from temperatures below 12°C to prevent tuber damage and dormancy
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Characteristics

  • Leaf: Heart-shaped with upward-curled margins forming cup-like structure; glossy dark green to bronze hue
  • Stem: Thick fleshy petioles; upright, pale green to reddish-brown
  • Inflorescence: Spadix enclosed in pale green spathe (rarely produced indoors)
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Care Guide

Watering

Keep substrate evenly moist; mist leaves 2–3 times weekly to boost humidity

Fertilization

Diluted balanced liquid feed every 2 weeks. Pause fertilization in winter when plant enters dormancy

Banana peel compost tea:Compost banana peels for 2 weeks; steep in water for 24 hours, dilute 1:20 for root drench; avoid raw peels to prevent pest infestations
Pruning
  • Remove yellowing or damaged leaves at the base of petioles to maintain airflow
  • Trim overgrown petioles to control plant size and encourage compact growth
  • Cut back all foliage to tuber level before winter dormancy in cold outdoor regions
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; calcium oxalate crystals cause oral pain, drooling, vomiting, and difficulty swallowing

Humans: Contains calcium oxalate crystals; ingestion causes oral irritation, swelling of lips and tongue

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental foliage; edible tubers when cooked thoroughly to break down toxic calcium oxalate crystals