Federal update: DOJ partially rescheduled medical cannabis to Schedule III (April 28, 2026 final order). State-licensed medical operators may apply for expedited DEA registration through June 27, 2026; DEA hearing on full rescheduling set for June 29, 2026.
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South Carolina’s Delta-8, Delta-9, & THCA Retail Wave

The federal 2018 Farm Bill — and South Carolina’s matching language at S.C. Code Title 46, Chapter 55 — defines hemp by reference to delta-9 THC concentration only. That single drafting choice has enabled a parallel retail market for hemp-derived intoxicants: delta-8 THC vapes and gummies, delta-9 THC seltzers and edibles dosed beneath the 0.3% dry-weight threshold (typically 5–10 mg per serving), THCA flower (which converts to delta-9 THC when heated), HHC, THC-O, and other novel cannabinoids. These products are sold in smoke shops, gas stations, vape stores, liquor stores, and (for beverages) some restaurants across the state.

Last verified: May 2026

The Delta-9 Loophole

The 2018 Farm Bill’s hemp definition refers to "delta-9 tetrahydrocannabinol concentration of not more than 0.3 percent on a dry weight basis." Three drafting choices in that single sentence created the entire retail wave:

  1. "Delta-9" only — not delta-8, delta-10, THCA, THCV, HHC, THC-O, THCP, or any other cannabinoid. Anything other than delta-9 falls outside the definitional ceiling.
  2. "Concentration ... on a dry weight basis" — in a heavy-product matrix like a 12-fl-oz seltzer or a 4-gram gummy, 0.3% by dry weight allows substantial absolute milligram THC dosing per unit. A 12-oz beverage at 0.3% dry-weight could contain ~10 mg delta-9 THC and still meet the federal hemp definition.
  3. No total-THC cap — THCA (the acidic precursor) is not psychoactive at room temperature but converts to delta-9 THC when heated (smoked, vaped, or baked). THCA flower with 0.2% delta-9 / 25% THCA tests "compliant" for delta-9 but smokes essentially identically to traditional cannabis.

Product Categories Sold Across South Carolina

  • Delta-8 THC. Manufactured by chemical conversion of hemp-derived CBD using acidic solvents. Sold as vape cartridges (1g) and edibles (10-50 mg per piece). Standard concentrations 200-1,000 mg / cart.
  • Delta-9 THC seltzers and edibles. Dosed at 5-10 mg per serving in beverages and gummies that meet the 0.3% dry-weight threshold by virtue of mass. Sold in liquor stores, some restaurants, and grocery channels.
  • THCA flower. Hemp flower with naturally elevated THCA content (typically 18-30%) and delta-9 below 0.3%. Sold by the gram in pre-rolls and in 1g/3.5g/7g/14g/28g packages, looking and smelling identical to recreational cannabis flower.
  • HHC (hexahydrocannabinol). Hydrogenated semi-synthetic cannabinoid; sold in vapes and edibles.
  • THC-O (THC acetate). Acetylated semi-synthetic; banned in many states. SC has no specific statutory prohibition.
  • THCP, THCV, CBN, CBG. Newer cannabinoids in formulation experimentation.

Where SC Consumers Encounter These Products

The Post and Courier’s 2024 retail survey identified more than 90 dedicated hemp-product stores in South Carolina. The actual retail footprint is substantially larger when convenience stores, vape shops, gas-station combo retailers, and liquor stores carrying THC seltzers are counted. AG Wilson’s December 9, 2025 Operation Ganjapreneur search-warrant package alone covered approximately 70 retail locations across 17 counties, suggesting the universe of actively trafficking retailers in the AG’s view is at minimum several hundred storefronts.

Common Retail Channels

  • Smoke shops and vape stores — The traditional channel. Charleston, Columbia, Myrtle Beach, Greenville, Spartanburg all have multiple shops carrying delta-8 carts, gummies, and THCA flower.
  • Gas-station combo retailers — Convenience stores selling delta-8 gummies and vapes alongside conventional tobacco and lottery products.
  • Liquor stores — The principal channel for delta-9 seltzers (5-10 mg per can). The Senate-amended H.3924 of March 2026 would have restricted 10-mg drinks to liquor stores specifically — an effort to keep the channel narrow.
  • Specialty hemp dispensaries — Dedicated retailers, of which the Post and Courier identified 90+. These look more like a Colorado-style dispensary — flower jars, glass display cases, gummy product walls.
  • Restaurants and bars — Seltzers in bar coolers; some Charleston restaurants have offered THC beverage menus.
  • Online direct-to-consumer — SC consumers receive shipments from out-of-state hemp brands via standard mail, despite federal-mail prohibition risks.

The Conflicting State Posture

South Carolina’s official position has been muddled. Solicitor General Robert D. Cook issued a formal opinion on September 16, 2024 that it is legal to manufacture, distribute, and sell nonalcoholic beverages containing hemp-derived delta-9 THC in compliance with the 2018 Farm Bill. The South Carolina Department of Health (formerly DHEC) had earlier sent a January 22, 2024 letter advising that delta-8 and delta-9 are not approved as ingredients in food or drinks. Attorney General Alan Wilson, by contrast, has publicly characterized delta-8 and delta-10 THC products as illegal in South Carolina. See Wilson-Cook conflict page.

Operation Ganjapreneur Disrupts the Retail Wave

On December 9, 2025, AG Wilson, working with the State Grand Jury, SLED, the DEA, HSI, FBI, and several local agencies, executed search warrants on six warehouses, six homes, two storage units, and one retail business across Richland and Lexington counties. Twelve defendants were charged with 40 narcotics counts including trafficking marijuana 10-100 lbs. Approximately 30,000 pounds (15 tons) of product was seized, with an estimated street retail value of ~$77 million. On March 27, 2026, Wilson announced new indictments against the operators of Dab City Warehouse LLC and Jay’s Head Shop and Wellness Center LLC, noting that 261 of 270 brands tested by the SLED lab "came back hot" — meaning they exceeded the 0.3% delta-9 THC threshold. See Operation Ganjapreneur page.

Industry Response

The South Carolina Healthy Alternatives Association — the state’s hemp-industry trade group — has responded that "nothing in South Carolina’s state statutes bans or regulates the sale of hemp or hemp-derived products" and that the prosecutions reflect regulatory ambiguity rather than clear illegality. The industry argument is that AG Wilson’s indictments rely on the federal 0.3% delta-9 threshold being treated as a hard ceiling, and that compliant products falling within the 0.3% threshold are lawful even if they contain double-digit milligram absolute THC quantities by virtue of mass.

2025–26 Legislative Action Pending

The 2025-26 session has produced four competing hemp-regulation bills, none enacted as of May 2026: H.3924 (Wooten, age-21 + packaging + retail license, House-passed but Senate-amended and the House declined to accept the Senate version April 22, 2026); H.3935 (Gatch, Consumable Hemp Licensing and Regulation Act); H.4758 (Newton, total ban under §§ 44-53-190 + 44-53-370); and H.4759 (companion measure on intoxicating hemp beverages). See 2025-26 hemp bills page.

The November 12, 2026 Federal Cliff

⚠️ Whatever South Carolina enacts during the 2025-26 session may be substantially preempted or rendered moot by the November 12, 2026 federal effective date of PL 119-37 § 781, which caps THC in nationally sold hemp consumer products at 0.4 mg per package and bans synthetic / non-naturally-occurring cannabinoids. The current SC delta-8 / delta-9 / HHC retail wave will end on that date as a federal matter regardless of state law. See federal hemp cliff page.

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