Proposed Missouri Amendment Would Expand Marijuana Protections and Remove Possession Limits

A Missouri lawmaker has introduced a proposed constitutional amendment that could dramatically reshape the state’s marijuana and hemp laws if approved by voters.

House Joint Resolution 106 would repeal Missouri’s current constitutional provisions related to marijuana and replace them with a new framework covering both medical and recreational cannabis. The proposal aims to expand legal protections, eliminate statewide purchase and possession limits, and change how marijuana is regulated, taxed, and enforced.

Under the proposed amendment, adults and qualifying patients would be allowed to grow marijuana at home. Legal protections would also be expanded for consumers, caregivers, and businesses involved in cannabis-related activities. The measure would limit civil and criminal penalties tied to lawful marijuana use.

The proposal includes provisions to expunge certain nonviolent marijuana-related convictions and adds workplace protections. Employers would be prohibited from discriminating against individuals for off-duty cannabis use, unless impairment affects job performance or safety.

If approved by lawmakers, the amendment would appear on the November 2026 general election ballot, allowing Missouri voters to decide its fate.

The resolution also directs the Missouri General Assembly to create a regulatory and tax structure for marijuana and hemp products, placing limits on combined state and local taxes. Revenue generated would be dedicated to veterans’ services, substance abuse treatment programs, and public defender offices.

At this time, the measure has been formally introduced but has not yet been debated or approved by either chamber of the Missouri General Assembly. No hearings have been scheduled.

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