Illinois allows registered medical cannabis patients to cultivate up to 5 plants at home under the Cannabis Regulation and Tax Act. Recreational users cannot grow cannabis at home. Plants must be in an enclosed, locked space not visible or accessible to the public. Oak Park has not enacted additional local restrictions beyond state law.
Under the Illinois Cannabis Regulation and Tax Act (410 ILCS 705), only registered medical cannabis patients may cultivate up to 5 cannabis plants at home. Recreational adult-use customers are prohibited from home cultivation. Plants must be grown in an enclosed, locked space that is not visible from a public place and not accessible to minors. The growing area must be within the patient's primary residence. Plants may not be grown outdoors. The 5-plant limit applies per household, not per patient — if multiple patients share a residence, the combined maximum remains 5 plants. Cannabis produced through home cultivation cannot be sold, distributed, or shared. Oak Park follows state law and has not enacted stricter local cultivation limits. Contact the Oak Park Police Department at (708) 386-3800 for enforcement questions.
Growing more than 5 plants is a criminal offense under Illinois law. Recreational users cultivating any cannabis plants face Class A misdemeanor charges for up to 5 plants. Cultivation visible from public areas or accessible to minors can result in criminal penalties and loss of medical cannabis registration. Sale of home-grown cannabis is a felony.
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