Possession
3 oz (85 g)
Is medical marijuana legal in South Dakota?
Yes.
Medical marijuana is legal in South Dakota. Updated October 2026.
Tourists
Visitors to South Dakota 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
Medical cannabis is legal in South Dakota for qualifying patients.
The recorded ruling
WhereItsLegal indexes medical marijuana in South Dakota as legal. Medical cannabis is legal in South Dakota for qualifying patients.
The recorded possession limit for medical marijuana in South Dakota is 3 oz (85 g).
Home cultivation is recorded as: medical patients only.
Visitors to South Dakota 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 South Dakota compares nearby
Frequently asked
Is medical marijuana legal in South Dakota?+
Yes — medical marijuana is legal in South Dakota.
Is medical marijuana legal everywhere in South Dakota?+
The recorded status for South Dakota as a whole is legal. Local bylaws can still add conditions.
How much medical marijuana can you possess in South Dakota?+
The recorded possession limit is 3 oz (85 g).
Can tourists use medical marijuana in South Dakota?+
Visitors to South Dakota 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 South Dakota?+
Home cultivation is recorded as: medical patients only.
When was this South Dakota medical marijuana ruling last verified?+
Last verified 2026-10-19.
Can you fly with medical marijuana into South Dakota?+
Domestic legality in South Dakota does not make it legal to carry medical marijuana across an international border. Border rules are separate and typically prohibit it.
People also ask
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Not legal advice. This page is generated from a typed dataset. If a fact is missing, the section is omitted rather than guessed. Methodology.