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