Magic Mushroom (Psilocybe cubensis)

Magic Mushroom

Psilocybe cubensis

It carries psychoactive power in gills and flesh, a controversial fungal organism. Saprotrophic mushroom; common name: golden teacher (common strain).

Low light
3–4/week
Moderate
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Plant Needs

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Sunlight Requires low, indirect light; avoid direct sunlight which can dry out substrate or kill mycelium
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Watering Maintain consistent moisture in growing substrate; avoid waterlogging which promotes mold growth
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Temperature Optimal growth at 24–28°C; avoid temperature fluctuations greater than 5°C to prevent mycelium stress
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Characteristics

  • Cap: Convex to flat, golden-brown when moist, pale yellow when dry; smooth, slightly sticky texture
  • Gills: Adnate attachment, pale gray when young, dark purple-brown as spores mature
  • Stem: Cylindrical, whitish with a thin partial veil that leaves a faint ring near the cap
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Care Guide

Watering

Keep substrate evenly moist; mist surface daily to maintain humidity

Fertilization

N/A. Nutrients are provided by the organic substrate; no additional fertilization is needed

Composted horse manure substrate:Sterilize substrate with heat to kill competing fungi and bacteria; mix with straw for improved aeration before inoculation
Pruning
  • Remove moldy or contaminated sections of substrate immediately to prevent spread to healthy mycelium
  • Harvest mature caps when gills turn dark purple-brown, before spores fully drop to maintain colony health
  • Discard spent substrate after harvest to avoid pest infestation and cross-contamination of future grows
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; psilocybin exposure can cause neurological dysfunction and physical distress

Humans: Contains psilocybin, a psychoactive compound that alters perception and mood; ingestion may cause acute psychological distress and physical side effects

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Garden Uses & Culture

Culture: Used in indigenous Mesoamerican spiritual rituals; illegal for recreational use in most countries

Usage: Controversial psychoactive use; no mainstream ornamental or culinary applications