Dwarf Tree Fern (Blechnum gibbum)

Dwarf Tree Fern

Blechnum gibbum

Fronds unfurl like folded green scrolls, a compact evergreen fern. Common name: Dwarf Tree Fern.

Partial sun
2/week
Beginner
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Plant Needs

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Sunlight Bright indirect light; avoid direct midday sun which can scorch fronds
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Watering Keep soil consistently moist but not waterlogged; avoid drying out completely
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Temperature Thrives in warm, humid conditions; protect from temperatures below 10°C to prevent leaf damage
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Characteristics

  • Frond: Arching, pinnate fronds up to 1 m long; glossy dark green leaflets with smooth margins
  • Trunk: Short, scaly, brown trunk covered with persistent old frond bases
  • Sori: Linear spore clusters on underside of fertile fronds
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Care Guide

Watering

Keep substrate evenly moist; mist fronds regularly to boost humidity

Fertilization

Diluted balanced feed every 4 weeks. Avoid over-fertilizing to prevent leaf burn

Banana peel compost tea: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 issues
Pruning
  • Remove brown, dead fronds at the base to maintain tidy appearance
  • Trim damaged frond tips to prevent spread of browning
  • Gently remove old frond bases from trunk to improve airflow
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no reported adverse reactions

Humans: Non-toxic to humans; no adverse effects from ingestion or contact

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental foliage for indoor terrariums, shaded patios, or tropical gardens