State laws

Is Weed Legal in Illinois?

Legalization Status
Recreational cannabis is legal for adults 21+; medical cannabis is legal for adults 18+ and minors with a caregiver.
Medical Documents Requirements
The Medical Cannabis Patient Registry Program is available to patients who have obtained certification from their physician. Patients require government-issued ID, and they need to complete (and pay for) the application. Patients can also get their medical card from
Possession Limits
Residents are permitted to possess 30 grams of cannabis flower; 5 grams of cannabis concentrate; and no more than 500 mg of THC (contained in a cannabis-infused product). Registered patients in the medical cannabis pilot program are permitted to possess more than 30 grams of cannabis (if grown and secured in their residence).
Home Growing Limitations
Adults 21+ can grow up to five cannabis plants (plants must be kept in a locked room away from other members of the home who are younger than 21).
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