As of October 8, 2026, THCa is legal to sell at retail with restrictions in Illinois. 21+ only since June 12, 2026 (Illinois Hemp Act, P.A. 104-463); from Nov 12, 2026 over 0.4 mg per container is cannabis and smokable or vape. Controlling source: Illinois Hemp Act overview (P.A. 104-463, SB 3222).
Verified October 8, 2026 · confidence: confirmed505 ILCS 89/5 measures delta-9 only ("THC means delta-9 THC"); THCa flower testing <=0.3% delta-9 is hemp. No smokable-hemp ban. --- 2026-10-08 review accepted by claude-oct7-upcoming (was legal, now restricted): IL Hemp Act 21+ took effect June 12, 2026 --- 2026-10-07: Illinois Hemp Act (SB 3222, P.A. 104-463, signed June 12, 2026): age limits took effect immediately; hemp-derived products over 0.4 mg THC per container may only be sold to people 21 and over, with ID checks for anyone who appears under 30 (IDOA overview, June 2026). From Nov 12, 2026 the Industrial Hemp Act is replaced: hemp is measured by total THC including THCA (0.3%), a final product over 0.4 mg combined THC and similar cannabinoids per container is not hemp and is treated as cannabis, final consumer products cannot be intended for smoking or vaping, and lab testing, child-resistant packaging and a manufacturer license apply. Status is restricted today (21+ condition); see the Nov 12 deadline. ---
with a delta-9 tetrahydrocannabinol concentration of not more than 0.3 percent on a dry weight basis (505 ILCS 89/5)
Among Illinois's 5 neighbors, Indiana, Iowa, Kentucky and Wisconsin are illegal; Missouri is legal.
Open the interactive map · Every compound in Illinois
Federal gray area. THCa - federally contested: hemp on the statute's delta-9-only text, marijuana on DEA's post-decarboxylation reading; resolved against THCa Federal detail
2 instruments on file for this compound's framework in Illinois; 1 of 1 citations above are official sources. Each text carries its source and a fingerprint that changes when the law does.
6fad54c24a9e05a5Sec. 5. Definitions. In this Act: 'Department' means the Department of Agriculture. 'Director' means the Director of Agriculture. 'Hemp' or 'industrial hemp' means the plant Cannabis sativa L. and any part of that plant, whether growing or not, with a delta-9 tetrahydrocannabinol concentration of not more than 0.3 percent on a dry weight basis and includes any intermediate or finished product made or derived from industrial hemp. 'Hemp production plan' means a plan submitted by the Department to the Secretary of the United States Department of Agriculture pursuant to the federal Agriculture Improvement Act of 2018, Public Law 115-334, and consistent with the Domestic Hemp Production Program pursuant to 7 CFR Part 990 wherein the Department establishes its desire to have primary regulatory authority over the production of hemp. 'Land area' means a farm as defined in Section 1-60 of the Property Tax Code in this State or land or facilities under the control of an institution of higher education. 'Person' means any individual, partnership, firm, corporation, company, society, association, the State or any department, agency, or subdivision thereof, or any other entity. 'Process' means the conversion of raw industrial hemp plant material into a form that is presently legal to import from outside the United States under federal law. 'THC' means delta-9 tetrahydrocannabinol. (Source: P.A. 102-690, eff. 12-17-21.)
5fae240508118a39[IDOA Information Bulletin IB-2026-06:] [Starting Nov. 12, 2026, final consumer hemp cannabinoid products] "cannot be intended for smoking or vaping." [Under the new definition, products with] "Greater than 0.4 milligrams combined total per container" [of THC and similar-effect cannabinoids are not hemp; plant-level hemp must have less than 0.3% total THC including THCa. Effective June 12, 2026, products over 0.4 mg THC may be offered only to persons over 21, with ID check for anyone appearing under 30. The Industrial Hemp Act is repealed and replaced on Nov. 12, 2026.] [Bulletin summarized; statute text not fetched.]
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