Delta-8 and Hemp THC Laws in Connecticut

How Connecticut law treats delta-8 and hemp thc products, from the state code and official state agencies.

Short answer: Connecticut's definition of THC expressly includes delta-7, delta-8, delta-9 and delta-10 THC regardless of source, and 'total THC' counts THCA. Conn. Gen. Stat. §§ 21a-240(29), (59), (60), (63); 21a-426; 22-61o

Delta-8 and hemp THC products	Connecticut's definition of THC expressly includes delta-7, delta-8, delta-9 and delta-10 THC regardless of source, and 'total THC' counts THCA. Since October 1, 2024, a hemp product with more than 1 milligram of total THC per serving or more than 5 milligrams per container (or flower or trim above 0.3% THC) is a 'high-THC hemp product,' which the law treats as marijuana/cannabis. Products with 0.5 to 5 milligrams of total THC per container ('moderate-THC hemp products') may be sold at retail since January 1, 2025 only by licensed cannabis establishments or registered moderate-THC hemp product vendors, only to people 21 or older after an ID check, with a 'not for under 21' symbol and testing rules. Other sellers of hemp flower must keep it behind the counter or locked and verify buyers are 21 or older. Moderate-THC rules: https://www.cga.ct.gov/2026/sup/chap_420j.htm (2026 Supplement, as amended by P.A. 25-101); hemp flower: https://www.cga.ct.gov/2026/sup/chap_424.htm Source: Conn. Gen. Stat. §§ 21a-240(29), (59), (60), (63); 21a-426; 22-61o

Delta-8 and hemp THC products

Connecticut's definition of THC expressly includes delta-7, delta-8, delta-9 and delta-10 THC regardless of source, and 'total THC' counts THCA. Since October 1, 2024, a hemp product with more than 1 milligram of total THC per serving or more than 5 milligrams per container (or flower or trim above 0.3% THC) is a 'high-THC hemp product,' which the law treats as marijuana/cannabis. Products with 0.5 to 5 milligrams of total THC per container ('moderate-THC hemp products') may be sold at retail since January 1, 2025 only by licensed cannabis establishments or registered moderate-THC hemp product vendors, only to people 21 or older after an ID check, with a 'not for under 21' symbol and testing rules. Other sellers of hemp flower must keep it behind the counter or locked and verify buyers are 21 or older.

Moderate-THC rules: https://www.cga.ct.gov/2026/sup/chap_420j.htm (2026 Supplement, as amended by P.A. 25-101); hemp flower: https://www.cga.ct.gov/2026/sup/chap_424.htm

Source: Conn. Gen. Stat. §§ 21a-240(29), (59), (60), (63); 21a-426; 22-61o

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FAQ

Is delta-8 legal in Connecticut?

General legal information, not legal advice. Laws change and local rules can differ; check the linked official source or talk to a lawyer about your situation.