Is cannabis legal in Illinois?

Q: Is cannabis legal in Illinois?

Cannabis in Illinois is permitted. Recreational cannabis is legal in Illinois for adults 21 and older under the Cannabis Regulation and Tax Act. A medical program also operates.

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ILLINOIS · CANNABIS

Cannabis

Permitted: Recreational cannabis is legal in Illinois for adults 21 and older under the Cannabis Regulation and Tax Act.

Permitted

Summary

Recreational cannabis is legal in Illinois for adults 21 and older under the Cannabis Regulation and Tax Act. A medical program also operates.

Source: https://www.ilga.gov/legislation/ilcs/ilcs5.asp?ActID=3992 · Updated July 12, 2026

Illinois Cannabis topics

Cannabis Legal Status in Illinois →Permitted
Recreational cannabis is legal in Illinois for adults 21 and older under the Cannabis Regulation and Tax Act.
Possession Limits in Illinois →Permitted
In Illinois, residents 21 and older may possess up to 30 grams of flower, 5 grams of concentrate, and 500 milligrams of THC in infused products, and non-residents may possess half those amounts.
Home Cultivation in Illinois →Conditional
Illinois does not allow recreational home growing — only registered medical patients may cultivate, up to 5 plants per household, kept locked and out of public view.
Public Use in Illinois →Permitted
Using cannabis in public is prohibited in Illinois and carries a fine of up to $200; use is limited to private residences and licensed on-premises businesses.
Buying Cannabis in Illinois →Permitted
Adults 21 and older may buy cannabis in Illinois from licensed dispensaries, with or without a medical card, subject to possession limits.

Other Illinois laws

Cannabis in nearby states

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