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Hemp Laws: Iowa vs New Hampshire
Side-by-side comparison of hemp compound laws
Iowa and New Hampshire differ on 5 of 8 hemp compounds. Overall, New Hampshire has more permissive hemp laws than Iowa. Key differences: Delta-8 THC is legal with restrictions in Iowa but fully legal in New Hampshire. Delta-9 THC (Hemp) is legal with restrictions in Iowa but fully legal in New Hampshire. THCA is banned in Iowa but fully legal in New Hampshire. HHC is banned in Iowa but fully legal in New Hampshire. 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 New Hampshire. Age requirements differ: Iowa has 21+ while New Hampshire has no statutory age minimum.
| Compound | Iowa | New Hampshire |
|---|---|---|
| Delta-8 THC | ⚠️Restricted | ✅Legal |
| Delta-9 THC (Hemp) | ⚠️Restricted | ✅Legal |
| CBD | ✅Legal | ✅Legal |
| THCA | ❌Banned | ✅Legal |
| HHC | ❌Banned | ✅Legal |
| Delta-10 THC | ❌Banned | ✅Legal |
| THC-O | ❌Banned | ❌Banned |
| THCP | 🔶Gray Area | 🔶Gray Area |