Peacock Spikemoss (Selaginella uncinata)

Peacock Spikemoss

Selaginella uncinata

Its iridescent blue foliage shimmers like peacock feathers, a delicate groundcover. Evergreen fern ally; common name: Blue Spike Moss.

Partial sun
2–3/week
Beginner
🌱

Plant Needs

☀️
Sunlight Bright indirect light; avoid direct midday sun which can scorch the delicate iridescent foliage
💧
Watering Keep soil consistently moist but not waterlogged; avoid allowing the growing medium to dry out completely
🌡️
Temperature Thrives in cool to temperate temperatures; protect from frost and extreme heat above 28°C
🔍

Characteristics

  • Leaf: Tiny scale-like leaves with iridescent blue-green sheen, arranged in dense rosettes along trailing stems
  • Stem: Slender creeping stems that root at nodes to form continuous mats
  • Sporangia: Small cone-like spore-bearing structures on short upright stalks
🛠️

Care Guide

Watering

Keep soil evenly moist; mist 2–3 times weekly to maintain high humidity

Fertilization

Diluted balanced feed every 6 weeks. Avoid over-fertilizing to prevent foliage discoloration

Banana peel compost tea:Fully compost banana peels, dilute 1:20 with water for root drench; avoid applying undiluted compost to prevent root burn
Pruning
  • Trim back overgrown trailing stems to maintain a compact mat shape
  • Remove brown, dried foliage to improve airflow and visual appeal
  • Gently divide dense clumps in spring for propagation without damaging root systems
⚠️

Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA confirmed non-toxic; no risk of poisoning for cats

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

📖

Garden Uses & Culture

Culture: N/A

Usage: Ornamental groundcover for terrariums, shaded rock gardens, and indoor hanging planters