Bird's Nest Fern (Asplenium antiquum)

Bird's Nest Fern

Asplenium antiquum

Its rosette holds fronds like a green nest, soft and sculptural. Evergreen epiphytic fern; common name: bird's nest fern.

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 frond edges
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Watering Water the central rosette thoroughly when the top 2 cm of growing medium feels dry; avoid waterlogging
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Temperature Thrives at 18–25°C; temperatures below 12°C will cause frond browning and stunted growth
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Characteristics

  • Leaf: Arching lance-shaped fronds with entire margins; glossy dark green, up to 1 m long
  • Rosette: Tight central cup (nest) collects debris and retains moisture
  • Spores: Brown linear sori arranged in parallel rows on undersides of mature fronds
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Care Guide

Watering

Keep central nest consistently moist; mist fronds to boost humidity in hot weather

Fertilization

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

Banana peel compost tea:Soak fully composted banana peels in water for 24 hours; dilute 1:20 for root drench; discard solids to avoid pest infestations
Pruning
  • Trim browned frond tips with sterile shears, cutting just above the discolored section
  • Remove fully yellowed or damaged fronds at their base to maintain rosette shape
  • Clear accumulated debris from the central nest periodically to prevent mold growth
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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 indoor foliage; air-purifying properties for enclosed spaces