Hardy Begonia (Begonia grandis)

Hardy Begonia

Begonia grandis

Delicate pink blooms rise above heart-shaped leaves for late-season garden charm. Herbaceous perennial; common name: Hardy Begonia.

Partial sun
1–2/week
Moderate
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Plant Needs

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Sunlight Bright indirect light; tolerates partial shade, avoid intense midday sun to prevent leaf scorch
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Watering Water when the top 2–3 cm of soil dries completely; avoid waterlogging to prevent root rot
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Temperature Thrives in 15–25℃; tolerates light frost down to 5℃ during winter dormancy
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Characteristics

  • Leaf: Heart-shaped, glossy green with red undersides, asymmetrical base
  • Flower: Clusters of pale pink to white, four-petaled blooms on upright stems
  • Stem: Succulent, green to reddish, fleshy texture
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Care Guide

Watering

Keep soil evenly moist but not soggy

Fertilization

Diluted balanced liquid feed every 2 weeks. Cease feeding in late summer as flowering concludes to prepare for dormancy

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 spent flower stems to maintain tidy growth and encourage potential late-season reblooming
  • Cut back foliage to ground level after the first autumn frost to prepare for winter dormancy
  • Thin overcrowded clumps in early spring to improve airflow and reduce disease risk
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; may cause drooling, vomiting, oral pain, and difficulty swallowing

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

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Garden Uses & Culture

Culture: Symbolizes gratitude and delicate beauty in some Eastern Asian horticultural traditions

Usage: Ornamental garden plant, container foliage, and cut flower for late-season arrangements