STATE CANNABIS GUIDE
Is weed legal in Missouri? Possession limits, home grow rules, medical program and dispensary info.
Cannabis is currently recreational in Missouri (MO). Passed Amendment 3 in November 2022.
Adults in Missouri may possess up to 3 oz of cannabis.
| Category | Limit / Rule |
|---|---|
| Public Possession | 3 oz |
| Home Growing | 6 plants |
| Medical Program | Active |
| Dispensaries | ~280 licensed dispensaries |
Missouri voters passed Amendment 3 in November 2022, legalizing recreational cannabis with sales beginning in February 2023. Adults 21+ may possess 3 ounces in public and grow 6 plants at home. The Department of Health and Senior Services (DHSS) regulates the cannabis industry. Missouri includes automatic expungement for prior nonviolent cannabis convictions.
Possession over 3 oz (up to 6 oz) is a civil infraction ($250 fine). Over 6 oz remains a criminal offense. Delivery without a license is a felony.
Missouri's medical cannabis program, established via Amendment 2 in 2018, allows qualifying patients to possess up to 4 oz per 30 days and cultivate up to 6 plants.
Missouri legalized recreational cannabis via Amendment 3 in November 2022, with retail sales beginning February 2023. Missouri had an existing medical program since 2018.
Missouri generated over $100 million in cannabis tax revenue in 2023. The state allows existing medical licensees to convert to dual-use, creating rapid market expansion.
Despite recreational legality in Missouri, cannabis remains federally illegal. Employers can — and many do — still require drug tests.
The most common pre-employment test in Missouri is the urine test, which can detect THC metabolites for up to 30 days in regular users. See: How long does THC stay in urine?