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Hemp Laws: Iowa vs South Dakota
Side-by-side comparison of hemp compound laws
Iowa and South Dakota differ on 4 of 8 hemp compounds. Overall, Iowa has more permissive hemp laws than South Dakota. Key differences: Delta-8 THC is legal with restrictions in Iowa but banned in South Dakota. Delta-9 THC (Hemp) is legal with restrictions in Iowa but fully legal in South Dakota. THCA is banned in Iowa but in a legal gray area in South Dakota. THCP is in a legal gray area in Iowa but banned in South Dakota. Both states face high impact from the 2026 federal hemp ban. Shipping rules differ: inbound hemp shipping is banned in Iowa vs. fully legal in South Dakota.
| Compound | Iowa | South Dakota |
|---|---|---|
| Delta-8 THC | ⚠️Restricted | ❌Banned |
| Delta-9 THC (Hemp) | ⚠️Restricted | ✅Legal |
| CBD | ✅Legal | ✅Legal |
| THCA | ❌Banned | 🔶Gray Area |
| HHC | ❌Banned | ❌Banned |
| Delta-10 THC | ❌Banned | ❌Banned |
| THC-O | ❌Banned | ❌Banned |
| THCP | 🔶Gray Area | ❌Banned |