Deer Fern (Struthiopteris spicant)

Deer Fern

Struthiopteris spicant

Lush, tiered fronds create layered woodland elegance. Evergreen clumping fern; common name: deer fern.

Partial sun
2–3/week
Beginner
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Plant Needs

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Sunlight Dappled shade or filtered partial sun; avoid direct midday sun which can scorch delicate fronds
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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 Hardy to -10°C for short periods; prefers cool, temperate conditions and avoids extreme heat above 28°C
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Characteristics

  • Fronds: Two specialized types: sterile fronds are flat, arching, evergreen; fertile fronds are upright, narrow, spore-bearing
  • Rhizome: Short, scaly creeping underground stem that anchors the clump
  • Habit: Tight, low-growing clump that spreads slowly over time
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Care Guide

Watering

Keep soil evenly moist; mist fronds 1–2 times weekly to boost humidity

Fertilization

Diluted organic liquid feed once monthly. Avoid high-nitrogen fertilizers which can damage delicate frond growth

Composted banana peel tea:Steep fully composted banana peels in water for 24 hours; dilute 1:20 for root drench; discard solid peels to prevent pest infestations
Pruning
  • Remove brown, dead fronds at the base to maintain a tidy clump
  • Trim overcrowded sterile fronds in early spring to improve airflow
  • Leave fertile fronds intact until spores have dispersed in late summer
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-verified non-toxic to cats; no reported toxicity from ingestion

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

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental woodland groundcover; provides shelter for small garden wildlife