Veined Bristle Fern (Trichomanes venosum)

Veined Bristle Fern

Trichomanes venosum

Delicate lacy fronds unfurl like tiny green lace. Epiphytic fern; common name: Veined Bristle Fern.

Partial sun
2–3/week
Moderate
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Plant Needs

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Sunlight Bright indirect, filtered light; avoid direct sunlight which can scorch fragile fronds
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Watering Keep growing medium consistently moist; 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: Delicate pinnately divided lacy fronds with prominent, visible venation; thin, translucent tissue.
  • Rhizome: Slender, creeping rhizome that anchors to mossy bark or rock surfaces.
  • Sori: Spore-producing structures clustered along frond margins.
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Care Guide

Watering

Maintain consistent moisture; mist daily to boost ambient humidity

Fertilization

Diluted low-nitrogen liquid feed once every 6 weeks. Do not fertilize in winter when growth slows

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 brown, damaged fronds at the base to maintain plant appearance
  • Trim overgrown rhizomes to control spread in enclosed terrariums
  • Gently clear dead plant material to reduce fungal growth risk
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats

Humans: No known toxic effects on humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental terrarium plant; epiphytic garden specimen in humid shaded areas