Short answer
A cannabis laws map sorts US states into three groups. One group allows adult-use retail sales. A second allows medical cannabis and no adult-use sales. A third allows no cannabis program. As of early 2025, 24 states and the District of Columbia allow adult-use retail. About 39 states allow some form of medical cannabis. Idaho, Kansas, South Carolina, and Wyoming allow neither. Counts change after each election. Confirm status with the state regulator before you travel or buy.
What the map shows
Adult-use states
These states license retail stores, growers, and testing labs. The group includes Colorado, Washington, Oregon, California, Nevada, Arizona, Illinois, Michigan, Massachusetts, New Jersey, New York, Maine, and Missouri. Virginia legalized possession and home grow in 2021. The state has not opened retail sales. The District of Columbia allows possession and home grow. Congress blocks DC from opening retail stores.
Medical-only states
Patients need a qualifying condition and a physician certification. This group includes Florida, Pennsylvania, Oklahoma, Arkansas, Louisiana, Mississippi, Alabama, Kentucky, Utah, West Virginia, New Hampshire, and Hawaii. Texas and Georgia limit sales to low-THC products. Texas caps THC at 1% by weight. Georgia allows oil with up to 5% THC.
state by state cannabis laws summary
No program
Idaho, Kansas, South Carolina, and Wyoming have no medical or adult-use program. Possession is a crime in all four.
Federal law sits on top
Cannabis is Schedule I under the Controlled Substances Act. Federal charges remain possible on federal land, in airports, and across state lines. In 2023 the Department of Health and Human Services recommended a move to Schedule III. The DEA held hearings on the proposal. No final rule had taken effect as of early 2025. The Rohrabacher-Farr amendment blocks the Justice Department from spending funds to prosecute medical cannabis that follows state law. The 2018 Farm Bill legalized hemp with delta-9 THC at or below 0.3% on a dry weight basis.
Convenience as the deciding factor
Distance decides for many buyers. A Kansas resident may drive to Missouri. An eastern Idaho resident may drive to Montana. Border stores in Illinois, Missouri, and Ohio scan out-of-state IDs and track the share of sales to non-residents. Oklahoma licensed more than 2,000 medical dispensaries at its peak, a count higher than California's licensed retail stores. Store density, drive time, and delivery reach set the real map for most shoppers.
How to read a map without errors
- Check the date. Election results change status in November. Rules follow months later.
- Split possession from sales. Virginia and DC allow possession. Neither runs retail stores.
- Check the product. Texas and Georgia allow low-THC products and no flower sales.
- Check the card. Medical patients pay lower taxes in several states, including Illinois and New Jersey.
- Check the city and county. Colorado, California, and Michigan let local governments ban stores. Many California cities bar retail storefronts.
What the map does not show
Tax rates, possession limits, home grow, delivery, and local bans. Colorado charges a 15% excise tax on wholesale plus a 15% state sales tax at retail. Washington charges 37% at retail. Illinois charges 10% to 25% based on THC content, plus sales tax. Oregon charges 17%. Possession limits run from 1 ounce in many states to 2.5 ounces in Maine. Home grow is legal in most adult-use states. Washington bans it. Home grow in Illinois is limited to medical patients, 5 plants. Delivery is legal in California, Nevada, Michigan, Massachusetts, and New York. Illinois allows delivery for medical patients.
State rules change. Check the state cannabis regulator, the state health department, and the state revenue department for tax rates.