Under the Illinois Cannabis Regulation and Tax Act (410 ILCS 705), only registered medical cannabis patients may cultivate cannabis at home in Des Plaines, limited to 5 plants in an enclosed, locked space out of public view. Recreational home cultivation by adults is not permitted in Illinois.
Illinois's Cannabis Regulation and Tax Act (CRTA), effective January 1, 2020, legalized adult-use cannabis but did NOT authorize home cultivation by recreational users. Only registered patients in the Illinois Medical Cannabis Patient Program may cultivate cannabis at home. Registered medical patients may grow up to 5 plants over 5 inches tall, in their primary residence only, in an enclosed, locked space not accessible to anyone under 21, and not visible from a public place. Plants must be cultivated by the registered patient or designated caregiver. Adult-use cannabis purchased from licensed Illinois dispensaries must be stored in a sealed, child-resistant container and may not be consumed in public. Des Plaines does not have additional local home cultivation rules beyond state law. Landlords may prohibit cannabis cultivation and smoking in rental properties. Penalties for unauthorized home cultivation under state law range from civil fines for small amounts to felony charges for cultivation exceeding 5 plants by non-patients.
Unauthorized recreational home cultivation in Des Plaines violates Illinois state law. Penalties include civil fines, misdemeanor charges, or felony charges depending on plant count, and may also trigger Des Plaines Police enforcement at (847) 391-5400.
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