Peacock Spikemoss (Selaginella willdenowii)

Peacock Spikemoss

Selaginella willdenowii

Iridescent blue-green foliage shimmers like peacock feathers. Evergreen fern ally; common name: Willdenow's spikemoss.

Partial sun
1–2/week
Beginner
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Plant Needs

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Sunlight Bright indirect light to preserve the iridescent foliage; avoid direct midday sun which can cause leaf fading
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Watering Water when the top 1–2 cm of soil feels dry; maintain consistent moisture without waterlogging the root system
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Temperature Thrives in warm, humid conditions; avoid temperatures below 12°C to prevent leaf browning and stunted growth
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Characteristics

  • Leaf: Small scale-like leaves arranged in four rows; upper foliage has iridescent blue-green sheen in bright indirect light
  • Stem: Creeping, branching stems that root at nodes to form dense, spreading mats
  • Reproductive Structure: Cone-shaped strobili at stem tips bear spores for propagation
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Care Guide

Watering

Keep soil evenly moist; mist foliage 2–3 times weekly to boost humidity

Fertilization

Diluted balanced liquid feed every 4–6 weeks. Discontinue fertilization in autumn and winter when growth slows

Spent tea leaf compost tea:Steep fully composted black tea leaves in water for 24 hours, dilute 1:20 for root drench; avoid raw leaves to prevent mold and pest issues
Pruning
  • Trim back leggy, elongated stems to encourage dense, compact mat growth
  • Remove brown, dried foliage at the base to maintain a neat appearance
  • Thin overcrowded mats to improve air circulation and ensure even light penetration
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no reported toxic reactions

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

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Garden Uses & Culture

Culture: N/A

Usage: Terrarium ornamental plant; shaded ground cover in tropical garden beds