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Automate Compliance TodayUS states A to Z: marijuana, THCA, delta-8, delta-9, delta-10, HHC
State-by-state mapMost read countries: marijuana, CBD and hemp status
All countries on the globeSubstances: status in every state for each one
Compare all substancesFederal hemp redefinition: P.L. 119-103, div. B, sec. 2019
Nov 12, 2026
Applies only to cannabinoids the plant cannot naturally produce.
Dec 11, 2026
The total-THC test, the 0.4 mg per container cap and the exclusion of converted cannabinoids start.
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Flower
Product
Rules specific to cannabis flower and pre-packaged bud, from THC testing and moisture limits to packaging, purchase limits by weight and the treatment of THCA hemp flower. For cultivators, retailers and hemp sellers.
Flower is the original cannabis product and still the most regulated by weight. States set purchase and possession limits in grams or ounces, require testing for potency, pesticides, mold and foreign material, and dictate how flower is packaged and labeled. Hemp flower adds another layer: high-THCA hemp that tests under the delta-9 limit before heating has triggered new state restrictions and federal attention.
We cover flower-specific rule changes, testing disputes over potency inflation, THCA hemp flower enforcement, smokable hemp bans, and packaging and deli-style sales rules. Posts link to the rule or notice they describe.
Flower rules also govern how product is displayed and sold. Deli-style sales from bulk jars, pre-packaged weights and sampling for customers are each permitted in some states and prohibited in others.
It depends on the state and on how THC is measured. Some states and federal proposals use total THC, which counts THCA, while others test only delta-9. We track these changes on the state pages.
Adult-use states set daily limits, often around an ounce, with lower limits for concentrates and edibles. Medical limits vary by state and sometimes by patient certification.
Several states prohibit smokable hemp because it is hard to distinguish from cannabis flower in the field, creating enforcement problems. Others allow it with labeling and age rules.
No. Our coverage is general information drawn from public sources, not legal advice. For a specific situation, talk to a lawyer licensed in the relevant jurisdiction. If you spot an error, let us know through the contact page.
The Regulator Brief
One email a week covering new laws, agency rules and court rulings across US states and the countries we track.