Know before you go

Missouri

Missouri permits adult possession and purchases within limits. Personal home cultivation requires department authorization.

Adult-use rules reviewed

Sources reviewed September 30, 2026. Coverage: Adult-use possession and cultivation, not all legal questions.

Adult-use possessionUp to 3 ounces dried, processed marijuana or its equivalentOfficial source

Purchase limitUp to 3 ounces or equivalent per transactionOfficial source

Home cultivationConsumer cultivation ID required; 6 flowering, 6 nonflowering over 14 inches, and 6 nonflowering under 14 inches, maximum 18Official source

Details worth checking

Keep authorized grows in an enclosed, locked facility. Qualifying homegrown amounts above three ounces must remain secured at the residence.
Medical allotments differ. Public consumption and impaired driving are prohibited.

Official sources

Regulators & contacts

Agency information checked September 30, 2026.

Missouri Department of Health and Senior Services — Division of Cannabis Regulation (DCR)

Regulates medical and adult-use marijuana programs, including patient services, business licensing, compliance, and enforcement.

Director Amy Moore, listed on the division’s official page.

866-219-0165 [email protected]

P.O. Box 570, Jefferson City, MO 65102-0570

Missouri Department of Health and Senior Services — Division of Cannabis Regulation (DCR) — official information and contact routes

Cardcierge

Medical cannabis card information, registration, published fees, and evaluation providers for Missouri.

View medical card information

General information, not legal advice. Laws, effective dates, and local policies change. Confirm the applicable rules with official sources before acting.