South Dakota Cannabis & Substances Laws (2026)

A comprehensive legal reference for cannabis & substances in the state of South Dakota. This guide covers current statutes, penalties, and restrictions for 7 different categories.

CBD Products

RESTRICTED

South Dakota allows hemp-derived CBD products with less than 0.3% THC under state law, but the sale and possession are regulated. The state requires products to be registered and tested, and prohibits THC levels above federal limits. See SD Codified Laws § 34-20G.

Possession

Legal to possess hemp-derived CBD with less than 0.3% THC; possession of higher THC content is illegal.

Sale

Sale allowed if products are registered with the state and comply with testing requirements.

Penalties

Possession or sale of non-compliant products can result in misdemeanor charges and fines up to $1,000.

Age Restriction

18+ to purchase CBD products.

South Dakota has banned Delta-8 THC under its controlled substances laws. The state classifies Delta-8 THC as a Schedule I controlled substance under SDCL § 34-20B-2, making its possession and sale illegal.

Possession

Possession of Delta-8 THC is illegal and treated as possession of a Schedule I controlled substance.

Retail Sale

Sale or distribution of Delta-8 THC is prohibited and subject to criminal penalties.

Penalties

Penalties include felony charges with potential imprisonment and fines under SDCL § 34-20B-6.

Age Restriction

None (illegal for all ages).

Hemp-derived Delta-9 THC edibles are restricted in South Dakota. In 2026, the legislature considered bills to ban intoxicating hemp products (SB 61) and to prohibit the sale of any THC product to individuals under 21 (SB 80).

Possession

Legal with restrictions on potency

Retail Sale

Legal through licensed retailers only

Penalties

Non-compliant products may result in fines.

Age Restriction

21+

Kratom

ILLEGAL

Kratom is classified as a Schedule I controlled substance under South Dakota Codified Laws § 34-20B-2. Possession, sale, and distribution of kratom are prohibited in South Dakota.

Possession

Illegal to possess any amount of kratom.

Sale

Illegal to sell, distribute, or manufacture kratom.

Penalties

Possession or sale can result in felony charges with penalties including imprisonment and fines under SDCL § 22-42-5.

Age Restriction

N/A

Psilocybin mushrooms are classified as a Schedule I controlled substance under South Dakota law. Possession, sale, and use are prohibited under SDCL § 34-20B-2, which aligns with federal Schedule I classification.

Possession

Illegal to possess any amount of psilocybin mushrooms.

Distribution

Illegal to sell, distribute, or manufacture psilocybin mushrooms.

Penalties

Possession is a felony punishable by up to 5 years imprisonment and/or fines up to $10,000.

Age Restriction

None (illegal for all ages).

Despite voters approving recreational marijuana in 2020, the law was overturned by the state Supreme Court. As a result, recreational marijuana remains illegal in South Dakota, creating a confusing and often frustrating legal environment. Medical marijuana is legal for registered patients.

Personal Possession

Recreational possession of two ounces or less of marijuana is a Class 1 misdemeanor, punishable by up to one year in jail and a $2,000 fine. Possession of more than two ounces is a felony. Medical marijuana patients may possess up to three ounces of cannabis from a licensed dispensary.

Retail Purchase

The sale of recreational marijuana is a felony. Medical marijuana is sold through state-licensed dispensaries to registered patients.

Penalties

Possession of 2 oz or less: Class 1 misdemeanor (1 year, $2,000 fine). 2 oz to 0.5 lb: Class 6 felony (2 years, $4,000 fine). 0.5 to 1 lb: Class 5 felony (5 years, $10,000 fine). Over 1 lb: Class 4 felony (10 years, $20,000 fine).

Age Restriction

21+ for the overturned recreational law. For medical marijuana, patients must be 18+ or have a designated caregiver.

Salvia

ILLEGAL

Salvia divinorum is a controlled or banned substance in South Dakota. South Dakota enforces its ban on Salvia.

Possession

Illegal. Salvia divinorum is classified as a controlled substance in South Dakota. Possession is a criminal offense.

Sale

Illegal. Sale and distribution of salvia is prohibited in South Dakota.

Penalties

Misdemeanor or felony charges depending on state classification.

Age Restriction

N/A