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Also known as: South Dakota marijuana laws · South Dakota cannabis regulations

Cannabis Laws in South Dakota

South Dakota permits medical cannabis but prohibits recreational use with felony penalties.

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This article is general information, not legal advice. Laws change; check current rules with official sources or a lawyer.

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South Dakota has approved medical cannabis but voters have consistently rejected recreational legalization. Non-medical possession carries serious felony penalties, and the state is unusual in prosecuting internal possession (THC in your bloodstream). The medical program is functional and recognized on tribal lands, but recreational users face prison time. Hemp-derived cannabinoids sit in legal gray area despite Farm Bill legality.

South Dakota permits medical cannabis for qualifying patients but prohibits recreational (adult-use) cannabis. Possession, distribution, and cultivation outside the medical program are criminal offenses Strong evidence[1].

Key dates:

> This article is informational only and is not legal advice. Cannabis laws change frequently and enforcement varies by county and city. Consult a licensed South Dakota attorney for advice about your situation.

Medical cannabis program

Initiated Measure 26 created South Dakota's medical cannabis program, codified at SDCL Chapter 34-20G Strong evidence[6]. The program is administered by the South Dakota Department of Health [3].

Patient eligibility. A qualifying patient must have a written certification from a South Dakota–licensed practitioner stating that the patient has a 'debilitating medical condition.' The statute lists conditions including cancer, glaucoma, HIV/AIDS, ALS, Crohn's disease, epilepsy, multiple sclerosis, PTSD, and chronic or severe pain, plus conditions added by Department of Health rule Strong evidence[6].

Possession limits. Registered cardholders may possess up to 3 ounces of cannabis flower. Limits on concentrates and edibles are set by Department of Health rule Strong evidence[3].

Home cultivation. Patients with a cultivation endorsement on their card may grow at least 3 plants, with requirements for secure, enclosed locations Strong evidence[6].

Reciprocity. South Dakota recognizes out-of-state medical cannabis cards for visiting patients, but out-of-state patients must comply with South Dakota possession limits and cannot purchase from South Dakota dispensaries without registering Strong evidence[3].

Dispensaries (called 'medical cannabis establishments' in statute) are licensed by the Department of Health and operate in multiple cities, including on several tribal lands that run their own programs.

Recreational possession penalties

South Dakota has not decriminalized non-medical cannabis. Penalties under SDCL 22-42-6 and related statutes are graduated by amount Strong evidence[7]:

Paraphernalia (pipes, bongs, rolling papers used for cannabis) is a separate Class 2 misdemeanor Strong evidence[7].

'Internal possession.' South Dakota is one of the few states that prosecutes the ingested presence of a controlled substance as a crime under SDCL 22-42-15 Strong evidence[8]. A person who has THC metabolites in their system but no physical cannabis on them can still be charged with a Class 1 misdemeanor — though this statute does not apply to registered medical patients consuming as authorized. This approach has been criticized by civil liberties advocates as unusually punitive Strong evidence[8].

DUI. Driving under the influence of cannabis is a separate offense under SDCL 32-23. South Dakota does not have a per se THC blood limit; impairment must be proven.

Hemp and CBD

South Dakota legalized industrial hemp in 2020 (HB 1008) after Governor Kristi Noem vetoed earlier attempts Strong evidence[9]. Hemp is defined consistently with the federal 2018 Farm Bill — cannabis containing 0.3% delta-9 THC or less by dry weight Strong evidence[9].

CBD products derived from hemp are legal to sell and possess. However, products containing delta-8 THC, delta-10 THC, THC-O, HHC, and other hemp-derived intoxicating cannabinoids occupy an uncertain legal space under South Dakota law. The state has not enacted comprehensive prohibitions on these compounds as of October 2026, though individual enforcement actions have been reported Disputed. Consumers and retailers should monitor state Department of Health guidance and legislative activity before assuming any specific cannabinoid product is legal.

Tribal jurisdictions

Several Native American tribes in South Dakota operate their own cannabis programs under tribal sovereignty, independent of state law. The Flandreau Santee Sioux Tribe and the Oglala Sioux Tribe (Pine Ridge Reservation) have established cannabis programs, with the Oglala Sioux Tribe legalizing both medical and recreational cannabis on the reservation Strong evidence[10].

Importantly, cannabis purchased legally on tribal land remains illegal to transport off the reservation under state law. Tribal jurisdictional boundaries create complex enforcement situations where state law may apply differently depending on the location and citizenship of the person involved Strong evidence[10].

Recent developments and what to watch

Recreational legalization has been rejected by South Dakota voters in two consecutive ballot measures (2022 and 2024) after passing once (2020) and being overturned by the state Supreme Court. Advocacy groups have indicated interest in future ballot initiatives, but the political environment remains constrained.

More likely near-term developments include legislative changes to the medical program — particularly around qualifying conditions, possession limits, dispensary licensing, and clarity on intoxicating hemp products. The Department of Health continues to refine rules and program administration.

Last verified: October 2026. Statutes, ballot outcomes, and Department of Health guidance cited above were current as of that date. This article is not legal advice.

Sources

  1. Government South Dakota Secretary of State. (2020). Official Election Results, November 3, 2020 General Election.
  2. Reported Associated Press. (2021, November 24). South Dakota Supreme Court rejects recreational marijuana amendment.
  3. Government South Dakota Department of Health. Medical Cannabis Program — Patient and Establishment Information.
  4. Government South Dakota Secretary of State. (2022). Official Election Results, November 8, 2022 General Election — Initiated Measure 27.
  5. Reported Ballotpedia. (2024). South Dakota Initiated Measure 29, Marijuana Legalization Initiative (2024).
  6. Government South Dakota Codified Laws, Chapter 34-20G — Medical Marijuana.
  7. Government South Dakota Codified Laws, Chapter 22-42 — Controlled Substances and Marijuana (esp. §§ 22-42-6, 22-42-7).
  8. Government South Dakota Codified Laws § 22-42-15 — Ingesting substance, except alcoholic beverages, for the purpose of becoming intoxicated.
  9. Government South Dakota Legislature. (2020). House Bill 1008 — An Act to legalize the growth, production, and processing of industrial hemp.
  10. Reported Associated Press / Argus Leader. (2020, March 11). Oglala Sioux Tribe votes to legalize marijuana on Pine Ridge Reservation.

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