The 2018 U.S. Farm Bill stipulates that CBD extracted from industrial hemp with a THC content of no more than 0.3% is legal at the federal level, but individual states have significant differences in their CBD laws and regulations. This article aims to outline the legality and usage restrictions of CBD across U.S. states, providing a reference for readers.
1. Fully Legal
These states allow hemp-derived CBD without special restrictions or medical licenses:
- Alaska
- Arizona
- District of Columbia
- Massachusetts
- Michigan
- Montana
- Nevada
- New York
- Illinois
- Maine
- Oregon
- Vermont
- Virginia
- Washington
2. Almost illegal
- Idaho
- Kansas
- Nebraska
3. Conditionally Legal
These states allow hemp‑derived CBD but impose various restrictions, such as THC content limits, usage restrictions, or requiring a medical license. Marijuana‑derived CBD is generally limited to medical use only.
| State | THC level | Other restrictions |
| Alabama | If THC exceeds 0.3%, a medical license is required. | 1) inhalable hemp products are prohibited. 2) THC content limits are imposed on consumer products. 3) Packaging and sales channels are subject to strict regulation. |
| Arkansas | If THC exceeds 0.3%, a medical license is required. | The sale of foods, beverages, and dietary supplements containing THC or other psychoactive cannabinoids is prohibited. |
| Colorado | THC ≤ 1.75 mg, CBD:THC ≥ 15:1 | |
| Connecticut, Louisiana, Maryland, Minnesota, Mississippi, Missouri, New Hampshire, New Mexico, North Dakota, Ohio, Oklahoma, Pennsylvania, Rhode Island, Tennessee, Texas, Wisconsin | Hemp‑derived CBD is legal, Marijuana‑derived CBD is limited to medical use only. | |
| Delaware, Iowa | If THC exceeds 0.3%, a medical license is required. | |
| Florida, Hawaii, Indiana | THC ≤ 0.3% | Hemp-derived CBD |
| Georgia | If THC exceeds 5%, a medical license is required. | |
| Kentucky, North Carolina, South Carolina, South Dakota | Hemp‑derived CBD is legal, while marijuana‑derived CBD is illegal. | |
| New Jersey, West Virginia | THC ≤ 0.3% | Hemp‑derived CBD is legal, Marijuana‑derived CBD is limited to medical use only. |
| Utah, Wyoming | THC ≤ 0.3% | Hemp‑derived CBD is legal, while marijuana‑derived CBD is illegal. |
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