Is Delta 9 THC Legal in the USA? Delta 9 THC, a cannabinoid is found in both marijuana and hemp. The legal status of this substance varies according to the state. Idaho for instance is the only state to ban hemp-derived Delta-9 products. Delta-9 THC derived from hemp is legal https://delta-9-online59814.pointblog.net/a-step-by-step-instruction-for-delta-9-price-usa-57985341