Is Marijuana Legal in South Dakota 2025

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Updated 14/08/2025

Is Marijuana Legal in South Dakota 2025?

As of 2025, only medical marijuana is legal in South Dakota. Although voters approved a recreational cannabis measure (Amendment A) in 2020, the state Supreme Court overturned it in 2021. This means that adults in the state may access marijuana solely through the medical program, while recreational possession and use remain illegal.

South Dakota Marijuana Possession Laws

For medical marijuana patients, possession limits are determined by their registered medical marijuana card. It is important to note that possession of marijuana by individuals under the age of 21 is still illegal, even for medical purposes.

South Dakota Marijuana Cultivation Laws

Under South Dakota’s medical cannabis laws, adults 21 and older may cultivate marijuana plants for personal use, but the rules differ for general home growing and registered patients. By default, individuals can grow up to three plants in a secure, enclosed, and locked space that is not visible to the public and not accessible to anyone under 21. In addition, as part of the registry identification card application process, qualified medical cannabis patients may apply for authorization to cultivate no more than two flowering plants and two non-flowering plants in their residence.

South Dakota Marijuana Penalties

Recreational marijuana is not legal in South Dakota. Only registered patients under the state’s medical cannabis program may lawfully possess and use marijuana. Possession of more than one ounce (28 grams) outside the medical program is considered a misdemeanor offense and may result in fines or jail time. In addition, distributing or selling marijuana without proper licensing remains illegal, with penalties that increase depending on the quantity involved and the circumstances of the violation.

Who can recommend medical marijuana in South Dakota?

In South Dakota, medical marijuana can be recommended by physicians who are licensed by the state and have completed the necessary training. These physicians must be registered with the South Dakota Department of Health and follow the guidelines and regulations set forth by the state's medical marijuana program.

Common Questions about South Dakota Marijuana Laws

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