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Hemp Laws: Montana vs South Dakota

Side-by-side comparison of hemp compound laws

Montana and South Dakota have similar hemp laws, differing on just 2 of 8 compounds. Key differences: Delta-9 THC (Hemp) is legal with restrictions in Montana but fully legal in South Dakota. THCA is banned in Montana but in a legal gray area in South Dakota. Both states have the same Delta-8 THC status: banned. The 2026 federal hemp ban will have low impact on Montana and high impact on South Dakota. Shipping rules differ: inbound hemp shipping is legal with restrictions in Montana vs. fully legal in South Dakota.

CompoundMontanaSouth Dakota
Delta-8 THCBannedBanned
Delta-9 THC (Hemp)⚠️RestrictedLegal
CBDLegalLegal
THCABanned🔶Gray Area
HHCBannedBanned
Delta-10 THCBannedBanned
THC-OBannedBanned
THCPBannedBanned

Learn About These Compounds