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