Psilocybin Laws in Illinois

How Illinois law treats magic mushrooms (psilocybin), from the state code and official state agencies.

Short answer: Psilocybin and psilocyn are Schedule I controlled substances in Illinois. Possessing any amount (they are not among the drugs with weight-based possession tiers) is a Class 4 felony, punishable by 1 to 3 years in prison and a fine of up to $25,000. 720 ILCS 570/204(d)(16)-(17); 720 ILCS 570/402(c); 730 ILCS 5/5-4.5-45

Magic mushrooms (psilocybin)	Psilocybin and psilocyn are Schedule I controlled substances in Illinois. Possessing any amount (they are not among the drugs with weight-based possession tiers) is a Class 4 felony, punishable by 1 to 3 years in prison and a fine of up to $25,000. Possession section: https://www.ilga.gov/Documents/legislation/ilcs/documents/072005700K402.htm . The weight tiers in 402(a)(7.5) list other paragraphs of 204(d), not (16) or (17). Source: 720 ILCS 570/204(d)(16)-(17); 720 ILCS 570/402(c); 730 ILCS 5/5-4.5-45

Magic mushrooms (psilocybin)

Psilocybin and psilocyn are Schedule I controlled substances in Illinois. Possessing any amount (they are not among the drugs with weight-based possession tiers) is a Class 4 felony, punishable by 1 to 3 years in prison and a fine of up to $25,000.

Possession section: https://www.ilga.gov/Documents/legislation/ilcs/documents/072005700K402.htm . The weight tiers in 402(a)(7.5) list other paragraphs of 204(d), not (16) or (17).

Source: 720 ILCS 570/204(d)(16)-(17); 720 ILCS 570/402(c); 730 ILCS 5/5-4.5-45

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FAQ

Are magic mushrooms legal in Illinois?

General legal information, not legal advice. Laws change and local rules can differ; check the linked official source or talk to a lawyer about your situation.