Western Maidenhair Fern (Adiantum aleuticum)

Western Maidenhair Fern

Adiantum aleuticum

Delicate, lacy fronds dance in gentle breezes, a soft accent for shaded spaces. Evergreen fern; common name: Western Maidenhair Fern.

Low light
2–3/week
Moderate
🌱

Plant Needs

☀️
Sunlight Thrives in bright indirect light or full shade; avoid direct midday sun which can scorch delicate fronds
💧
Watering Keep soil consistently moist but not waterlogged; use room-temperature water to prevent root shock
🌡️
Temperature Prefers cool to temperate temperatures; avoid sudden drafts and extreme heat above 26°C
🔍

Characteristics

  • Frond: Delicate, lacy triangular fronds with fan-shaped leaflets attached to thin, glossy black wiry stalks
  • Rhizome: Creeping, shallow brown rhizomes that slowly spread to form dense clumps
  • Sori: Tiny round spore clusters growing along the undersides of leaflet margins
🛠️

Care Guide

Watering

Keep soil evenly moist; mist fronds 2-3 times weekly to maintain humidity

Fertilization

Diluted balanced feed every 6 weeks. Use half-strength liquid feed to avoid burning sensitive roots

Composted leaf mold tea:Steep fully composted leaf mold in water for 24 hours, dilute 1:10 for root drench; avoid raw materials to prevent mold growth
Pruning
  • Trim brown, dead fronds at the base to maintain a tidy appearance and improve airflow
  • Divide overcrowded clumps in early spring to promote healthy new growth
  • Remove damaged or yellowing fronds promptly to prevent potential fungal spread
⚠️

Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA confirmed non-toxic; no harmful effects for cats

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

📖

Garden Uses & Culture

Culture: N/A

Usage: Ornamental foliage for shaded gardens, terrariums, or indoor hanging planters