Scaly Tongue Fern (Elaphoglossum crinitum)

Scaly Tongue Fern

Elaphoglossum crinitum

Fuzzy, leathery fronds bring quiet forest charm. Evergreen epiphytic fern; common name: Hairy Tongue Fern.

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 delicate fronds
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Watering Keep growing medium consistently moist but not waterlogged; use distilled or rainwater to prevent mineral buildup
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Temperature Thrives in warm, humid conditions; avoid temperatures below 15°C to prevent frond browning
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Characteristics

  • Frond: Leathery, lanceolate sterile fronds with dense brown scales on stalks and undersides
  • Sporangia: Clustered on narrower fertile fronds, distinct from sterile foliage
  • Rhizome: Short, creeping rhizome covered in fine, brown hair-like scales
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Care Guide

Watering

Keep growing medium evenly moist; mist 2–3 times weekly to maintain humidity

Fertilization

Diluted orchid fertilizer once monthly. Use half-strength fertilizer to avoid burning delicate root systems

Banana peel compost tea:Compost banana peels for 2–3 weeks, steep in water, dilute 1:20 for root drench; avoid raw peels to prevent mold growth
Pruning
  • Remove brown, dead fronds at the base to improve plant appearance and airflow
  • Trim overcrowded rhizomes in spring to prevent overcrowding in terrariums
  • Gently brush away excess scales only if they fully cover new emerging fronds
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

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

Humans: Non-toxic to humans; no known adverse health effects from handling or ingestion

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental epiphyte for terrariums, vertical gardens, or shaded indoor displays