Decriminalization vs. legalization
Reduced penalties do not necessarily make cannabis legal. Learn what each term means for possession, buying and growing.
Cannabis laws change.
Know where you stand.
Check cannabis possession, medical access, home growing and taxes where you live or plan to visit. Start with your state.
50 states + DC. Choose below to see a summary.
What do you need to check?
Rules, costs and practical tools.
Check the rules in your state
Find possession rules, medical access and buying restrictions for all 50 states and DC.
Browse state law guidesApply for a medical card
Check how to qualify, apply and renew, with a separate comparison of state card fees.
Understand medical card applications and costsUse a medical card while visiting
Compare states that recognize outside credentials, require an application or limit visitors to possession.
Compare visitor rulesFind out if you can grow at home
Compare adult and patient growing permissions, plant limits and household restrictions.
Compare home-growing rulesEstimate cannabis taxes
Use tax guides and calculators for 30 states to see how state and local charges affect checkout.
Explore tax guides and calculatorsConvert cannabis weights
Convert grams and ounces, or check the chart for an eighth, a quarter and other common amounts.
Open the weight chart and converterUnderstand what the rules mean
Flying with medical marijuana
A state medical card does not settle airport or federal rules. Check the different rules for screening, flying and arrival.
What's changing
Ballot proposal
Massachusetts: adult-use sales on the ballot
Voters will decide Question 8. A yes vote would end licensed adult-use marijuana retail sales and change possession rules while keeping the medical market. The proposed effective date is January 1, 2028.
Read Massachusetts Question 8
Proposed constitutional amendment
Idaho: who may legalize cannabis?
Voters will decide HJR 4. A yes vote would give the state legislature sole authority to legalize marijuana and block citizen-initiated state laws doing so.
Read Idaho's amendment summary
Enacted; starts in stages
and
Federal hemp rules: two start dates
From November 12, products with cannabinoids the cannabis plant cannot produce naturally will be excluded from the federal hemp definition. Most other changes, including the new total-THC definition and other product exclusions, are delayed until December 11.
Read the extension, section 2019
Read the original changes, section 781
Rules first.
Sources close at hand.
The state guides explain possession, medical access and home growing, with official sources beside the answers. Proposals and future changes are identified separately from rules already in force.
Check the source and the date
Follow the official source links for details, and check the dates and exceptions in the guide before making a decision.
For a possible correction, email [email protected] with the page and the source you found.