Male Fern (Dryopteris filix-mas)

Male Fern

Dryopteris filix-mas

Fronds unfurl in delicate spirals, framing woodland calm. Deciduous fern; common name: male fern.

Low light
2/week
Beginner
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Plant Needs

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Sunlight Dappled shade to full shade; tolerates low indirect indoor light; avoid harsh direct sun
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Watering Keep soil consistently moist but not waterlogged; avoid allowing the root ball to dry out completely
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Temperature Thrives in cool to temperate conditions; tolerate light frost down to -5°C with mulch protection
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Characteristics

  • Frond: Arching, bipinnate fronds up to 1.2 m long; dark green, leathery texture
  • Rhizome: Thick, scaly, creeping underground rhizome
  • Sori: Clustered on underside of fronds, covered by papery indusia
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Care Guide

Watering

Keep soil evenly moist; mist fronds to boost ambient humidity

Fertilization

Diluted balanced liquid feed once every 6 weeks. Cease fertilization in autumn and winter when growth slows

Composted banana peel tea:Steep fully composted banana peels in water for 3 days; dilute 1:20 for root drench to support healthy frond development; avoid applying to dry soil
Pruning
  • Remove brown, dead fronds at the base in early spring to make space for new growth
  • Thin overcrowded clumps every 2–3 years to improve airflow and reduce disease risk
  • Trim damaged or yellowing fronds as needed to maintain a tidy appearance
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats

Humans: No known toxic effects from ingestion or contact

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental woodland ground cover; indoor low-light foliage plant