Ground Pine (Lycopodium obscurum)

Ground Pine

Lycopodium obscurum

Its tiered evergreen fronds mimic miniature pines, a quiet woodland gem. Evergreen fern ally; common names: Ground Pine, Princess Pine.

Partial sun
1–2/week
Moderate
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Plant Needs

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Sunlight Prefers dappled shade or bright indirect indoor light; avoid harsh direct sunlight which can scorch foliage
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Watering Keep soil consistently moist but not waterlogged; avoid allowing the substrate to dry out completely
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Temperature Thrives in cool, humid conditions; avoid prolonged exposure to temperatures above 27°C
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Characteristics

  • Leaf: Tiny, needle-like evergreen leaves arranged in dense, tiered whorls along upright aerial stems
  • Stem: Creeping underground rhizomes produce branching, upright aerial stems
  • Sporophylls: Dense terminal strobili (spore-bearing cones) atop mature, taller stems
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Care Guide

Watering

Maintain consistent soil moisture; mist foliage to boost humidity

Fertilization

Diluted low-nitrogen feed once every 2 months. Avoid over-fertilization to prevent foliage burn

Banana peel compost tea:Use fully composted banana peels; dilute 1:20 with water for root drenching; avoid applying directly to foliage
Pruning
  • Remove brown, dead fronds at the base to improve airflow
  • Trim overcrowded aerial stems to maintain a compact, tidy habit
  • Avoid disturbing underground rhizomes during repotting to prevent stress
  • Remove spent strobili (spore cones) if desired to maintain visual neatness
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-confirmed non-toxic to cats; no reported toxic reactions

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

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Garden Uses & Culture

Culture: Symbolizes quiet resilience in low-light environments; historically used in holiday wreath arrangements

Usage: Ornamental for shaded woodland gardens, closed terrariums, and indoor foliage displays