Is Psilocybin / Magic Mushrooms Legal in Illinois? (2026)

ILLEGAL
Confidence: High

No — Psilocybin / Magic Mushrooms are illegal in Illinois as of 2026.

Key Restriction
Possession and use prohibited
Penalty
Felony
Last Updated
2026-03-25

Law changed in 2025: In early 2025, House Bill 1143 was introduced to decriminalize and tax psilocybin for personal use. However, the bill has not yet passed, and there have been no significant changes to the law as of early 2026.

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Quick Answer

Psilocybin mushrooms remain illegal in Illinois; however, in 2021, the city of Chicago decriminalized possession of small amounts of psilocybin mushrooms. Illinois state law (720 ILCS 570/204) still classifies psilocybin as a Schedule I substance, prohibiting possession and sale statewide.

What the Law Says

Psilocybin is a Schedule I controlled substance in Illinois, with possession and cultivation carrying felony charges.

Illinois Controlled Substances Act
Category Details
Possession Illegal statewide; decriminalized in Chicago for small amounts (personal use).
Distribution Illegal statewide; no local decriminalization for sale.
Penalties State penalties include felony charges with imprisonment and fines; Chicago local enforcement deprioritizes possession charges.
Age Restriction None (illegal for all ages).
Pending Legislation HB 2693 (2023) proposed to legalize therapeutic psilocybin but not yet passed.
Recent Changes

In early 2025, House Bill 1143 was introduced to decriminalize and tax psilocybin for personal use. However, the bill has not yet passed, and there have been no significant changes to the law as of early 2026.

Enforcement Reality

Possession of psilocybin mushrooms is a felony in Illinois, and law enforcement treats it as a serious crime. Growing psilocybin mushrooms is also a felony with significant penalties.

Charge Level
Felony
Enforcement Likelihood
Moderate
Common Triggers
Sale or large-scale cultivation.
Common Mistakes

A common mistake is to assume that because cannabis is legal, other substances like psilocybin are also decriminalized. This is not the case, and possession can lead to severe legal consequences.

Local Exceptions

None identified. State law applies uniformly across Illinois. Local ordinances may still vary — check with your city or county government for any additional rules.

Bottom Line

Psilocybin / Magic Mushrooms are illegal in Illinois. Possession or use can result in criminal charges. Do not assume enforcement is lax — penalties are real. Consult a licensed attorney if you have specific questions.

Illinois vs. the Rest of the US

Across the US, possessing psilocybin mushrooms is fully legal in 2 states, restricted in 2, and illegal in 36. Illinois falls in the ILLEGAL category.

View the full 50-state map →

Neighboring States

Laws change at state lines. Here is how bordering states compare on Psilocybin / Magic Mushrooms:

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Frequently Asked Questions

Is it legal to possess Psilocybin / Magic Mushrooms in Illinois?
No — Psilocybin / Magic Mushrooms are illegal in Illinois as of 2026. Psilocybin mushrooms remain illegal in Illinois; however, in 2021, the city of Chicago decriminalized possession of small amounts of psilocybin mushrooms. Illinois state law (720 ILCS 570/204) still classifies psilocybin as a Schedule I substance, prohibiting possession and sale statewide.
What are the penalties for possessing psilocybin mushrooms in Illinois?
State penalties include felony charges with imprisonment and fines; Chicago local enforcement deprioritizes possession charges.
How strictly does Illinois enforce its psilocybin / magic mushrooms laws?
Possession of psilocybin mushrooms is a felony in Illinois, and law enforcement treats it as a serious crime. Growing psilocybin mushrooms is also a felony with significant penalties.
What typically triggers enforcement in Illinois?
Sale or large-scale cultivation.
What is the age restriction for possessing psilocybin mushrooms in Illinois?
None (illegal for all ages).
Is Illinois changing its psilocybin / magic mushrooms laws?
HB 2693 (2023) proposed to legalize therapeutic psilocybin but not yet passed.
Does the law on possessing psilocybin mushrooms change at the Illinois border?
Yes. Psilocybin / Magic Mushrooms are legal with restrictions in neighboring Missouri. Laws change at state lines — check each state individually before traveling.

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EH
Ethan Harper Independent Legal Researcher

Reviewed by cross-referencing the cited state statute against current legislative databases and regulatory publications.

Last reviewed: 2026-03-25 Method: Statute cross-reference

Sources & Verification

2.
Statute Summary
Psilocybin is a Schedule I controlled substance in Illinois, with possession and cultivation carrying felony charges.
Verified: 2026-03-25 Reviewed by: Ethan Harper Method: Statute cross-reference Confidence: High

This page was reviewed by Ethan Harper by comparing the legal status against the cited state statute. AllowedHere is an informational resource and does not provide legal advice. Consult a licensed attorney for guidance specific to your situation.

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