Yes, Delta-9 THC derived from hemp with ≤0.3% concentration is legal in Wisconsin under state law, aligning with the 2018 Farm Bill. However, Wisconsin’s 2026 compliance framework tightens enforcement on unlicensed products, requiring third-party lab testing and traceability from cultivators to retailers. Local authorities, including the Wisconsin Department of Agriculture, Trade and Consumer Protection (DATCP), actively monitor compliance, with penalties for violations escalating under the 2025-2026 biennial budget adjustments.
Key Regulations for Delta 9 THC in Wisconsin
- Hemp-Derived Products Only: Delta-9 THC must originate from hemp (Cannabis sativa L.) containing ≤0.3% THC by dry weight. Synthetic Delta-9 THC remains federally prohibited under the Controlled Substances Act.
- Licensing and Testing: All hemp-derived products, including Delta-9 THC, require DATCP-issued licenses for cultivation, processing, and retail. Mandatory third-party lab testing verifies THC concentration and contaminant levels, with results submitted to DATCP’s Hemp Program.
- Retail Restrictions: Sales to minors are prohibited, and products must include child-resistant packaging. Local municipalities may impose additional zoning restrictions on retail operations, particularly in areas near schools or parks.