Last verified: May 2026
Key Facts at a Glance
| Metric | Value (April 2026) |
|---|---|
| Initiated Measure 26 (medical) result | 70% yes / 30% no (Nov 3 2020) |
| Constitutional Amendment A (rec) result | 54.18% yes / 45.82% no (Nov 3 2020) — struck down by SD Supreme Court Nov 24 2021 |
| IM 27 result (rec re-attempt) | 52.92% no / 47.08% yes (Nov 2022) |
| IM 29 result (rec re-attempt 2) | ~55.6% no / 44.4% yes (Nov 2024) |
| First legal medical sale | July 1 2022 at Native Nations Cannabis (FSST), Flandreau |
| Approved patient cards | 18,759 |
| Approved certifying practitioners | 219 |
| Licensed establishments (FY2025) | 118 active (~70–81 dispensaries; ~24–35 cultivators; 17–19 manufacturers; 2–6 testing labs) |
| Annual establishment fee (FY2025+) | $9,000 (raised from $5,310 by SB 43, 2024) |
| Possession limit (active patients) | 3 oz flower (or product equivalent) per 14-day rolling window |
| Home cultivation | 3 plants medical-only (typically 2 flowering + 2 immature; conditional on dispensary radius) |
| Tax | 4.5% state sales tax + up to ~2% local |
| Federal recheduling status | Schedule III final rule effective April 28, 2026 — SD criminal law unchanged per AG Jackley |
Sources: SDDOH FY2025 Annual Report; SDDOH April 2026 patient-count update; Marijuana Policy Project; Ballotpedia. SDDOH does not publish dispensary-level sales data; cumulative-revenue figures from non-government sources are estimates.
The Statutory Framework
- SDCL ch. 34-20G — Initiated Measure 26 medical cannabis program (effective July 1, 2021).
- SDCL § 22-42-6 — Possession of marijuana (misdemeanor or felony by quantity).
- SDCL § 22-42-2 — Possession or distribution of hashish or concentrates (Class 4 felony, 1-year mandatory minimum first conviction).
- SDCL § 22-42-7 — Distribution / trafficking (with 1,000 ft school-zone enhancement = 5-year mandatory minimum).
- SDCL § 22-42-1(1) — Defines "controlled substance" to include "an altered state of a drug or substance absorbed into the human body" (the "internal possession" foundation).
- SDCL § 22-42-5.1 — Unauthorized ingestion of a controlled drug or substance (Class 1 misdemeanor first/second offense after SB 83 effective July 1, 2025; Class 5 felony third offense within 10 yrs).
- SDCL § 22-42-5 — Unauthorized possession (the statute used in Schroeder/Whistler "internal possession" prosecutions).
- SDCL § 22-42A-3 — Drug paraphernalia (Class 2 misdemeanor; sale = felony up to 5 yrs).
- SDCL § 22-42-11 — Inhabiting room where controlled substances illegally stored or used (Class 1 misdemeanor).
- SDCL § 32-23-1 — DUI (impairment-based; 5 ng/mL THC per se threshold via case law).
- SDCL § 32-23-21 — Under-21 zero-tolerance metabolite-presence rule.
- Article XXIII § 1, SD Constitution — Single-subject rule for constitutional amendments (the basis for Thom v. Barnett).
Recreational Possession Penalties
| Quantity | Classification | Maximum Penalty |
|---|---|---|
| 2 oz or less | Class 1 misdemeanor | Up to 1 year county jail + $2,000. |
| More than 2 oz – ½ lb | Class 6 felony | Up to 2 years prison + $4,000. |
| ½ lb – 1 lb | Class 5 felony | Up to 5 years + $10,000. |
| 1 lb – 10 lbs | Class 4 felony | Up to 10 years + $20,000. |
| More than 10 lbs | Class 3 felony | Up to 15 years + $30,000. |
| Concentrate / hashish (any amount) — § 22-42-2 | Class 4 felony | Up to 10 years + $20,000; 1-year mandatory minimum on first conviction. |
| School-zone enhancement (within 1,000 ft school / 500 ft other) — § 22-42-7 | Add-on | 5-year mandatory minimum. |
| Habitual offender enhancement — § 22-7-7 / § 22-7-8.1 | Class up | Elevates 1–2 felony classes for prior felony convictions. |
Source: SDCL § 22-42-6 (possession), § 22-42-2 (concentrates), § 22-42-7 (distribution + school zones). South Dakota’s concentrate-felony rule is unusually severe: small amounts of dabs or vape cartridges produce a Class 4 felony charge that comparable conduct would not generate in Minnesota or Montana.
The Three Distinguishing Features of SD Cannabis Law
- Internal possession. SDCL § 22-42-5.1 / Schroeder / Whistler doctrine permits prosecution based on metabolites alone — even when no physical drug is found. See internal possession page.
- Concentrate-felony rule. Possession of small amounts of dabs or vape cartridges produces a Class 4 felony charge that comparable conduct would not generate in MN or MT. See trafficking page.
- The court-erased recreational vote. SD is the only state where voters approved adult-use legalization at the ballot box and the courts erased it. See Thom v. Barnett page.
Brief Historical Timeline
Flandreau Santee Sioux Tribal Resolution 15-42 creates FSST Pharms LLC
FSST President Tony Reider + Tribal AG Seth Pearman move toward a tribal cannabis program; Title 29 of the Tribal Law and Order Code enacted June 11 2015.
FSST burns its entire crop
After DOJ meetings raised concerns about non-Indian sales and seed sourcing, the tribe burns its crop to forestall a federal raid. Hagen and Hunt of Monarch America are charged in 2016; Hagen acquitted May 2017.
Pine Ridge / Oglala Sioux votes to legalize cannabis
Tribal referendum approves both medical and recreational on the Pine Ridge Reservation.
IM 26 + Amendment A both pass
IM 26 medical 70%/30%; Amendment A recreational 54.18%/45.82%. SD becomes first state to approve both on the same ballot.
Thom + Miller Amendment A lawsuit
Pennington County Sheriff Kevin Thom + SD Highway Patrol Col. Rick Miller file suit. Gov. Kristi Noem ratifies via executive order Jan 8, 2021 and directs taxpayer funds toward the litigation.
Sixth Circuit Judge Christina Klinger strikes down Amendment A
Trial-court ruling on single-subject grounds. Klinger had been nominated by Noem in early 2019.
IM 26 effective date holds
Despite Noem-administration push for delay to 2022, the original July 2021 effective date is preserved.
Thom v. Barnett, 2021 S.D. 65 — SD Supreme Court 4-1
Affirms Klinger 4-1. Chief Justice Steven Jensen majority; Justice Scott Myren dissent. Holds Amendment A "embraced at least three separate and distinct subjects" violating Article XXIII § 1 single-subject rule.
First medical sale — FSST Native Nations Cannabis
Flandreau Santee Sioux dispensary makes the first medical-cannabis sale in SD history, ahead of state-licensed competitors. Genesis Farms follows shortly.
IM 27 fails 52.92% / 47.08%
Recreational reform second attempt — possession-and-cultivation initiated statute — defeated.
SB 1 freezes qualifying-condition list
Revokes the SDDOH public petition process for adding qualifying conditions.
IM 29 fails ~55.6% / 44.4%
Third recreational attempt defeated. SDBML campaign director Matthew Schweich publicly states he is finished leading legalization efforts.
Gov. Larry Rhoden takes office
Succeeds Kristi Noem upon her January 25 2025 confirmation as U.S. Secretary of Homeland Security.
Gov. Rhoden signs SB 83
Reduces first- and second-offense ingestion (§ 22-42-5.1) from Class 5 felony to Class 1 misdemeanor. Effective July 1, 2025. Schroeder/Whistler "internal possession" doctrine survives.
Gov. Rhoden signs SB 39
Restricts hemp-derived intoxicants (delta-8/10, THC-O, HHC, THCP) and repeals state industrial hemp licensing program.
18,759 active patient cards / 219 practitioners
SDDOH report. Patient growth at ~200–500 net new cards per month. Dr. Whitney Brunner is Medical Cannabis Program Administrator.
Federal Schedule III rescheduling published
Acting AG Todd Blanche's Final Order published in Federal Register. SD AG Marty Jackley confirms rescheduling does not change SD criminal law.
No SDBML 2026 ballot certification
Signature deadline passes with no recreational legalization measure certified for November 2026 ballot. Constitutional Amendment L (60% supermajority for amendments) is on the ballot.
Comparison with Border States (May 2026)
| Border state | Status (May 2026) | Practical access for South Dakotans |
|---|---|---|
| Minnesota (east) | Adult-use legal Aug 2023; first state-licensed retail Sept 16, 2025 (Vireo / Green Goods) | Highest practical utility. Sioux Falls–Minneapolis ~3 hours; tribal MN dispensaries closer. |
| Montana (west) | Adult-use legal Jan 2022 | Some utility for Black Hills residents. Rapid City–Hardin/Crow ~2 hours. |
| North Dakota (north) | Medical only (2016, Measure 5); rec rejected 2018, 2022, 2024 | Limited — ND program is restrictive; no rec. |
| Nebraska (south) | Medical voted 2024 (~67%) but blocked by litigation/legislative resistance | Currently limited — implementation pending. |
| Iowa (southeast) | Medical CBD only; rec illegal misdemeanor | Very limited. |
| Wyoming (southwest) | No medical, no rec | None — possession is a misdemeanor in WY. |
⚠︐ Crossing any state line with cannabis — including between two legal states — is a federal crime under 21 U.S.C. § 841. SD Highway Patrol I-90 and I-29 interdiction is documented and persistent. Plus, SD’s "internal possession" doctrine (Schroeder/Whistler, SDCL § 22-42-5.1) allows prosecution of South Dakotans who legally consumed cannabis in MN or MT but return home and test positive.
For in-depth cannabis education, dosing guides, safety information, and research summaries, visit our partner site TryCannabis.org