Kidney-leaf Begonia (Begonia reniformis)

Kidney-leaf Begonia

Begonia reniformis

Its kidney-shaped leaves carry soft, velvety charm. Evergreen herbaceous perennial; common name: Kidney-leaf Begonia.

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 scorch and fading
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Watering Water when the top 2 cm of soil feels dry; avoid overwatering to prevent root rot and fungal growth
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Temperature Thrives in 18–24℃; avoid temperatures below 12℃ to prevent leaf drop and stunted growth
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Characteristics

  • Leaf: Reniform (kidney-shaped), velvety bright green with subtle reddish undersides
  • Flower: Small pale pink or white cluster blooms on thin, upright stems above foliage
  • Stem: Short, clumping, covered in fine, light brown hairs
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Care Guide

Watering

Keep soil evenly moist but not waterlogged

Fertilization

Diluted balanced liquid feed every 2 weeks. Avoid fertilizing in winter when growth slows to prevent nutrient buildup

Banana peel compost tea:Compost banana peels for 2 weeks, steep in water for 24 hours, dilute 1:20 with water for root drenching to avoid over-fertilization
Pruning
  • Remove yellowing or damaged leaves at the base to improve airflow and maintain appearance
  • Pinch back stem tips in early spring to encourage bushier, more compact growth
  • Trim spent flower stems to redirect energy to foliage development
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; ingestion may cause oral irritation, drooling, and vomiting

Humans: Contains calcium oxalate crystals; causes mild mouth irritation if chewed; may trigger skin irritation in sensitive individuals

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental indoor foliage plant, closed terrarium specimen