Missouri Recreational Cannabis Laws
Purchasing & consumption rules for adults 21+.
Informational only — not legal advice. Cannabis laws change frequently; verify current rules with the official sources linked below before relying on this page.
Last verified: 2026-08-28
Missouri Cannabis Laws — Quick Facts
Status
Recreational legal · since 2022 (Amendment 3)
Min. Age
21
Home Grow
Yes, but requires registration and a fee.
Source: official state guidance · Facts verified 2026-08-28
Residents & out-of-state visitors
Adult-use cannabis: adults 21 and older
State residents
- Who can buy
- Adults 21+ with valid government-issued photo ID.
- Purchase limit
- 3 oz dried flower-equivalent: 3 oz flower, 24 g concentrate, or 2,400 mg THC in infused products, or a proportional combination.
- Public possession limit
- 3 oz dried flower-equivalent.
Out-of-state visitors
- Who can buy
- Adults 21+ with valid government-issued photo ID.
- Purchase limit
- 3 oz dried flower-equivalent: 3 oz flower, 24 g concentrate, or 2,400 mg THC in infused products, or a proportional combination.
- Public possession limit
- 3 oz dried flower-equivalent.
- Flower, concentrates and infused products share one equivalent allowance; the three maxima cannot be added together.
Sources: Official state guidance · Reviewed 2026-09-09
Purchase and possession limits are different. Limits apply within this state; do not carry cannabis across state lines. Medical programs may have separate rules.
Find dispensary listings in Missouri
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Browse all Missouri dispensaries →1. Status & Authority
- Legal Since: 2022 (Amendment 3)
- Governing Agency: Division of Cannabis Regulation (under DHSS)
- Statute/Citation: Missouri Constitution, Article XIV, Section 2
- Medical Exists: Yes
- Retail Sales Operational: Yes
2. Who Can Purchase
- Minimum Age: 21
- ID Requirements: Valid government-issued photo ID
- State residents: Adults 21+ with valid government-issued photo ID.
- Resident vs. Out-of-State/Visitor: Adults 21+ with valid government-issued photo ID.
3. Purchase & Possession Limits
- Resident purchase: 3 oz dried flower-equivalent: 3 oz flower, 24 g concentrate, or 2,400 mg THC in infused products, or a proportional combination.
- Visitor purchase: 3 oz dried flower-equivalent: 3 oz flower, 24 g concentrate, or 2,400 mg THC in infused products, or a proportional combination.
- Resident public possession: 3 oz dried flower-equivalent.
- Visitor public possession: 3 oz dried flower-equivalent.
- Note: Flower, concentrates and infused products share one equivalent allowance; the three maxima cannot be added together.
4. Where & How to Buy
- Dispensaries: Licensed dispensaries only.
- Delivery & Online: Recreational delivery is not widely rolled out/authorized in the same manner as medical delivery.
- Consumption Lounges: The state allows for "microbusiness" consumption facilities in the future, subject to local municipality opt-ins.
- Local Opt-Outs: Municipalities can ban recreational sales entirely through a voter referendum.
5. Taxes & Payment
- Excise Tax: 6% state excise tax on retail sales.
- Sales Tax: Standard state sales taxes apply.
- Local Tax: Local municipalities and counties may impose up to an additional 3% sales tax via voter approval.
- Payment: Cash or cashless ATMs.
6. Consumption Rules
- Permitted Locations: Private property.
- Prohibited Locations: Public places (parks, sidewalks, streets).
- Vehicles/Open Container: Illegal to consume in a motor vehicle or operate under the influence.
- Landlord/Employer: Property owners can restrict consumption. Employers retain the right to maintain drug-free workplaces.
7. Home Cultivation
- Allowed: Yes, but requires registration and a fee.
- Plant Count Limits: With a valid personal cultivation card, individuals can grow up to 6 flowering, 6 nonflowering, and 6 clone plants.
- Household Caps: Must be kept in a locked, enclosed facility at a private residence.
8. Penalties
- Over-Limit Possession: Civil penalties for small amounts over the limit; criminal misdemeanor charges for larger violations.
- Public Consumption: Civil fine.
- Sale to Minors: Criminal felony.
- DUI Thresholds: Impairment-based. No specific "per se" blood-THC limit exists. Prosecution relies on officer observation and DRE (Drug Recognition Expert) analysis.
9. Sources
- Missouri Division of Cannabis Regulation (Accessed: 2026-07-12)
- [[_limits-by-product-form|Limits by product form]]
- [[disputed-cannabis-limit-claims]]