Possession
3 oz (85 g)
Is medical marijuana legal in Washington?
Yes.
Medical marijuana is legal in Washington. Updated October 2026.
Tourists
Visitors to Washington are generally subject to the same medical cannabis rules as residents. Crossing a border with it remains a separate, usually prohibited, act.
Home grow
medical patients only (6 plants)
Medical cannabis is legal in Washington for qualifying patients.
The recorded ruling
WhereItsLegal indexes medical marijuana in Washington as legal. Medical cannabis is legal in Washington for qualifying patients.
The recorded possession limit for medical marijuana in Washington is 3 oz (85 g).
Home cultivation is recorded as: medical patients only (6 plants).
Visitors to Washington are generally subject to the same medical cannabis rules as residents. Crossing a border with it remains a separate, usually prohibited, act.
Laws move. The last verified date on this ruling is 2026-10-19. Always read the linked source and local statute before acting.
Long-tail notes
How Washington compares nearby
Frequently asked
Is medical marijuana legal in Washington?+
Yes — medical marijuana is legal in Washington.
Is medical marijuana legal everywhere in Washington?+
The recorded status for Washington as a whole is legal. Local bylaws can still add conditions.
How much medical marijuana can you possess in Washington?+
The recorded possession limit is 3 oz (85 g).
Can tourists use medical marijuana in Washington?+
Visitors to Washington are generally subject to the same medical cannabis rules as residents. Crossing a border with it remains a separate, usually prohibited, act.
Can you grow medical marijuana at home in Washington?+
Home cultivation is recorded as: medical patients only (6 plants).
When was this Washington medical marijuana ruling last verified?+
Last verified 2026-10-19.
Can you fly with medical marijuana into Washington?+
Domestic legality in Washington does not make it legal to carry medical marijuana across an international border. Border rules are separate and typically prohibit it.
People also ask
Also in Washington
Not legal advice. This page is generated from a typed dataset. If a fact is missing, the section is omitted rather than guessed. Methodology.