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Hemp Laws: South Dakota vs Washington
Side-by-side comparison of hemp compound laws
South Dakota and Washington differ on 5 of 8 hemp compounds. Overall, South Dakota has more permissive hemp laws than Washington. Key differences: Delta-8 THC is fully legal in South Dakota but banned in Washington. Delta-9 THC (Hemp) is fully legal in South Dakota but banned in Washington. THCA is in a legal gray area in South Dakota but banned in Washington. HHC is fully legal in South Dakota but banned in Washington. The 2026 federal hemp ban will have high impact on South Dakota and low impact on Washington. Shipping rules differ: inbound hemp shipping is fully legal in South Dakota vs. banned in Washington.
| Compound | South Dakota | Washington |
|---|---|---|
| Delta-8 THC | ✅Legal | ❌Banned |
| Delta-9 THC (Hemp) | ✅Legal | ❌Banned |
| CBD | ✅Legal | ✅Legal |
| THCA | 🔶Gray Area | ❌Banned |
| HHC | ✅Legal | ❌Banned |
| Delta-10 THC | ✅Legal | ❌Banned |
| THC-O | ❌Banned | ❌Banned |
| THCP | 🔶Gray Area | 🔶Gray Area |