Fern-leaved Begonia (Begonia foliosa Kunth)

Fern-leaved Begonia

Begonia foliosa Kunth

Fern-like foliage cascades softly, a delicate trailing beauty. Evergreen trailing begonia; common name: Fern-leaved Begonia.

Partial sun
1–2/week
Beginner
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Plant Needs

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Sunlight Bright indirect light; avoid direct midday sun which can scorch delicate foliage
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Watering Water when the top 2 cm of soil feels dry; avoid overwatering to prevent root rot
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Temperature Thrives at 18–22°C; protect from temperatures below 12°C to prevent leaf drop and stunted growth
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Characteristics

  • Leaf: Small, ovate to lanceolate, fern-like bright green leaves with finely serrated margins
  • Flower: Clusters of tiny pink or white blooms on thin, delicate stalks
  • Stem: Slender, trailing stems that root easily at leaf nodes
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Care Guide

Watering

Keep soil evenly moist but not waterlogged; mist foliage 2–3 times weekly to boost humidity

Fertilization

Diluted balanced liquid feed every 2 weeks. Cease fertilization in autumn and winter when growth slows

Banana peel compost tea:Fully compost banana peels for 2–3 weeks, steep in water for 24 hours, dilute 1:20 for root drench; avoid raw peels to prevent pest infestations
Pruning
  • Pinch back trailing stem tips regularly to encourage bushier, fuller growth
  • Remove yellowing or damaged leaves to improve air circulation and maintain plant appearance
  • Trim leggy stems in early spring to promote new, compact growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

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

Humans: Contains soluble calcium oxalate crystals; ingestion causes mild oral irritation, and contact may trigger mild skin rash

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental hanging basket plant; terrarium foliage; trailing ground cover in shaded outdoor gardens (in warm climates)