Is THCA Legal in South Carolina?

The short answer for South Carolina

South Carolina's hemp statute still uses the federal delta-9 standard (S.C. Code §46-55-10), so THCA products remain on many shelves. AG Alan Wilson and SLED's Operation Ganjapreneur (December 2025) produced 12 indictments and seized about 15 tons of products. The 2025–2026 session's hemp bills failed: the House rejected an H. 3924 conference report 69–28 on June 25, 2026. Statute is permissive; enforcement is not. Exercise caution before purchasing.

What affects THCA legality in South Carolina?

THCA legal status depends on several overlapping factors — state hemp law may permit products that local enforcement treats differently, and product type can determine which rules apply.

• State hemp program rules — whether South Carolina has enacted its own restrictions beyond federal law
• Total THC vs delta-9 testing — whether the state measures THCA alongside delta-9 THC when determining compliance
• Product type — flower, vape, gummy, tincture, and concentrate may each be regulated differently
• Local enforcement — county or municipal rules may be stricter than state law
• Federal law — the total-THC test that counts THCA takes effect December 11, 2026 in every state

THCA flower in South Carolina

On paper, THCA flower that tests at or below 0.3% delta-9 THC by dry weight fits South Carolina's Hemp Farming Act. In practice, AG Alan Wilson and SLED have treated some high-THCA products as marijuana sold under hemp branding.

South Carolina has no adult-use cannabis program and no licensed dispensary alternative. Purchasing THCA flower therefore sits at the collision of a permissive statute and active criminal enforcement. Industry counsel has challenged the Operation Ganjapreneur seizures in court.

Hemp-derived THC rules in South Carolina

S.C. Code §46-55-10 carries the federal Farm Bill delta-9-only standard into state law. The Attorney General's office has taken a narrower enforcement view: products that intoxicate are marijuana under state law regardless of hemp labeling. That opinion is advisory and not binding on courts, but it has driven raids and indictments.

Three competing hemp bills were filed in the 2025–2026 session (H. 3924, H. 3935, H. 4759). None became law. H. 3924 came closest: the Senate adopted a conference report on June 25, 2026 that would have set an age-21 limit, testing, labeling, a synthetic-THC ban, and a 0.4 mg total-THC per-container cap. The House rejected that report 69–28 the same day, leaving the state with no new hemp-consumable statute for the session.

Total THC vs delta-9 THC: why it matters

Until December 11, 2026, federal law still measures hemp compliance using delta-9 THC content only — the direct intoxicant. THCA, being the non-decarboxylated precursor, is not counted in that current calculation, which is how high-THCA products have qualified as hemp. A narrower exclusion, for cannabinoids the plant cannot naturally produce, begins November 12, 2026.

Some states adopted a stricter "total THC" standard that combines delta-9 THC with a conversion of THCA: delta-9 THC + (THCA × 0.877). Under this formula, THCA flower — which can contain 15–25% THCA — typically fails compliance limits even with very low delta-9 THC.

Section 781 of H.R. 5371 brings federal law in line with total THC testing effective December 11, 2026. Public Law 119-103, signed September 2, 2026, moved that date from November 12 and left the earlier date for cannabinoids the plant cannot naturally produce.

Buying THCA products in South Carolina

Retailers still sell THCA products in many South Carolina stores, including to people under 21, because no age-21 hemp statute passed. That availability is not a legal green light. Operation Ganjapreneur showed that wholesale and retail inventories can be seized.

Request a current COA, keep purchases small, and understand there is no licensed cannabis fallback if enforcement lands on a particular shop. This remains one of the higher-risk states for THCA purchasing in the country.

Traveling with THCA products

Traveling with THCA products — whether within South Carolina or across state lines — carries meaningful legal risk. Interstate transportation is governed by federal law, and the state laws of every jurisdiction you travel through apply on the ground.

Air travel adds complexity, as airports and aircraft fall under federal jurisdiction. With the federal H.R. 5371 change approaching, travelers should exercise particular caution. We strongly recommend consulting a licensed attorney before traveling with any hemp-derived THC products.

What could change in South Carolina

The General Assembly can try again in a later session. Until then, the live variables are court challenges to the 2025 seizures and whether local prosecutors follow the AG's marijuana-under-hemp-branding theory.

H.R. 5371 will reinforce the AG's enforcement position. After December 11, 2026, high-THCA products lose the federal hemp definition that retailers have used as a defense, aligning federal classification with the AG's existing argument. For consumers, the federal deadline adds urgency to an already high-risk environment.