Star Begonia (Begonia heracleifolia)

Star Begonia

Begonia heracleifolia

Its star-shaped leaves carry wild, textured charm. Rhizomatous ornamental begonia; common names: Star Begonia, Heracleum-leaved 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 which can scorch the fuzzy leaves
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Watering Water when the top 2 cm of soil dries completely; avoid overwatering to prevent rhizome rot
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Temperature Thrives at 18–22°C; protect from temperatures below 12°C to avoid cold damage to rhizomes
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Characteristics

  • Leaf: Star-shaped, deeply lobed, fuzzy green with silver veining, undersides reddish-purple
  • Flower: Clusters of small, pale pink or white blooms on upright stems
  • Rhizome: Thick, creeping underground stem that stores moisture
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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 tea:Soak chopped banana peels in water for 3 days; dilute 1:20 for root drench; discard solids to avoid odor and pest infestations
Pruning
  • Remove yellowing or damaged leaves at the base to maintain airflow and appearance
  • Trim spent flower stems after blooming to redirect energy to rhizome and leaf growth
  • Divide overcrowded rhizomes in early spring for propagation; replant healthy sections in fresh soil
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; ingestion causes oral pain, hypersalivation, vomiting, and difficulty swallowing

Humans: Contains calcium oxalate crystals; ingestion causes oral burning and mild swelling; contact may irritate sensitive skin

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental indoor foliage plant; suitable for terrariums and shaded windowsills