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Hemp Laws: Illinois vs Montana
Side-by-side comparison of hemp compound laws
Illinois and Montana differ on 6 of 8 hemp compounds. Overall, Illinois has more permissive hemp laws than Montana. Key differences: Delta-8 THC is fully legal in Illinois but banned in Montana. Delta-9 THC (Hemp) is fully legal in Illinois but legal with restrictions in Montana. THCA is fully legal in Illinois but banned in Montana. HHC is fully legal in Illinois but banned in Montana. The 2026 federal hemp ban will have high impact on Illinois and low impact on Montana.
| Compound | Illinois | Montana |
|---|---|---|
| Delta-8 THC | ✅Legal | ❌Banned |
| Delta-9 THC (Hemp) | ✅Legal | ⚠️Restricted |
| CBD | ✅Legal | ✅Legal |
| THCA | ✅Legal | ❌Banned |
| HHC | ✅Legal | ❌Banned |
| Delta-10 THC | ✅Legal | ❌Banned |
| THC-O | ❌Banned | ❌Banned |
| THCP | 🔶Gray Area | ❌Banned |