7 things to know about Missouri's medical marijuana program

Missouri's medical marijuana program comes from Article XIV of the state constitution and is run by the Division of Cannabis Regulation within the Department of Health and Senior Services. A physician or nurse practitioner certifies the patient, and the patient applies online within 30 days with a photo ID and a photo. Patient ID cards cost $28.92 under the July 2026 to June 2027 fee schedule and last three years. Physicians can certify listed conditions or any other chronic or debilitating condition in their professional judgment. Patients pay a 4% tax instead of the 6% adult-use tax, can buy 6 ounces a month, and can apply to grow at home.

7 things to know

1. Missouri's medical program is written into the state constitution (Article XIV).
2. Patient and caregiver cards last three years.
3. Card fees change each year with inflation; the July 2026 to June 2027 patient fee is $28.92.
4. Patients pay a 4% tax instead of the 6% adult-use tax.
5. Patients may buy 6 ounces of dried marijuana or the equivalent every 30 days.
6. Patients with a cultivation authorization can grow 6 flowering plants at home.
7. Caregivers must be 21 or older and can serve up to six patients.

At a glance

• State fee: $28.92 (July 2026-June 2027 fee schedule)
• Card lasts: 3 years
• Processing: DHSS has 30 days to process patient and caregiver applications
• Patient limit: 60-day supply (12 oz of dried, unprocessed marijuana or equivalent); up to 90-day supply for patients with cultivation authorization, with the excess locked up
• Home grow: With a cultivation authorization ($57.83): 6 flowering plants, 6 non-flowering plants over 14 inches and 6 under 14 inches per patient, in an enclosed, locked facility
• Recreational sales: Legal for adults 21+
• First visit online: Yes

Sources

• DHSS - Cannabis Patient Services
• DHSS - Qualifying Medical Conditions
• DHSS - Patient & Consumer FAQs
• DHSS - Fee Schedule
• DHSS - Cultivation (Patient/Caregiver/Consumer)
• DHSS - General FAQs

This guide is general information, not medical or legal advice. Laws change — confirm details with your state agency. State facts last checked October 7, 2026.