Different state.
Different rules.
Start with official sources, check the dates, and distinguish possession rules from retail access.
51 limited sourced summaries covering all 50 states and D.C. Review scope varies by jurisdiction.
North Carolina
Marijuana possession remains restricted under state law. Current reform proposals and council recommendations are separate from enacted law.
Virginia
Adult possession and home cultivation are permitted within limits. The regulated adult-use retail market is scheduled to start July 1, 2027.
Maryland
Adults 21 and older may possess the personal-use amount. Licensed dispensaries serve the adult-use market, with separate medical rules.
California
Adult-use cannabis is permitted for people 21 and older. Local rules and property policies can be stricter than state rules.
New York
Adults 21 and older may possess cannabis within state limits. Home cultivation has separate per-person and household limits.
New Jersey
Adults 21 and older, including visitors, may buy from licensed dispensaries. Purchase limits differ from possession limits.
Delaware
Adults 21 and older may possess the personal-use quantity. Regulated adult-use sales began August 1, 2025.
District of Columbia
Initiative 71 permits limited adult possession and home cultivation. It does not itself establish a general adult-use retail market.
Florida
Florida’s medical program requires state registration and physician authorization. This selected summary covers medical access, not every cannabis or hemp rule.
Pennsylvania
This first Pennsylvania summary covers the state medical program. Adult-use possession and home-cultivation rules have not yet been reviewed here.
Massachusetts
Adults 21 and older may purchase and grow within state limits. Current regulator guidance reflects a two-ounce carry limit.
Nevada
Adults 21 and older may buy from licensed retailers and possess cannabis within state limits. Home growing is restricted by access to nearby retail.
Georgia
Georgia requires physician certification and a state patient or caregiver card for its medical cannabis program.
Tennessee
The Tennessee Bureau of Investigation currently describes marijuana as illegal in Tennessee and distinguishes it from hemp.
Kentucky
Kentucky’s medical program requires qualified-patient registration. Supply limits differ at home, while carrying, and for visiting patients.
West Virginia
West Virginia medical purchases require registered-physician certification and an approved state medical cannabis card.
Ohio
Ohio permits adult use and limited home cultivation. The current statutory framework reflects SB 56, effective March 20, 2026.
Illinois
Illinois permits adult use, but visitors have lower possession limits than residents. Personal cultivation is limited to registered medical patients.
Michigan
Michigan permits personal adult use and home cultivation, with separate rules for cannabis stored at home.
Oregon
Oregon permits adult possession and personal cultivation. Public possession and home storage have different limits.
Washington
Washington allows adult purchases and possession within limits. General adult-use home growing is not permitted.
Minnesota
Minnesota allows adult possession and home growing. Public and private-residence possession limits differ.
Alaska
Alaska allows limited personal adult possession and growing. Property owners may prohibit cannabis activities on their premises.
Arizona
Arizona permits limited personal adult possession and cultivation at a primary residence.
Connecticut
Connecticut permits adult purchases and home growing. Carrying limits differ from secured home or vehicle storage.
Maine
Maine allows adult possession and personal cultivation. Medical and adult-use dispensaries are separate.
Vermont
Vermont allows limited personal adult possession and growing. Qualifying homegrown harvest has a separate storage exception.
Rhode Island
Rhode Island permits limited adult possession and growing, with a household plant maximum and a separate home-storage allowance.
New Mexico
New Mexico permits adult-use purchases and possession within product limits. The medical patient program remains separate.
Montana
Montana permits limited adult possession and growing. Retail sales availability varies by county.
Missouri
Missouri permits adult possession and purchases within limits. Personal home cultivation requires department authorization.
Oklahoma
OMMA-licensed patients have specified medical possession and cultivation allowances. These are patient permissions, not a general adult-use allowance.
Hawaii
Registered qualifying patients and their designated caregivers share an adequate-supply allowance. A grow site must be identified on the valid 329 card.
Utah
Utah uses medical cannabis cards and licensed medical cannabis pharmacies. Visitors must follow the separate non-Utah resident card process.
Texas
Texas’s Compassionate Use Program requires an approved physician’s prescription recorded in CURT. HB 46 expanded the program effective September 1, 2025.
Arkansas
Medical dispensing requires a valid registry card and current Health Department purchase authorization. Visiting qualifying patients also need Arkansas registration.
Iowa
Iowa’s medical program permits specified manufactured product forms for registered patients and caregivers. Its permissions do not include loose flower or THC-infused food edibles.
Mississippi
Mississippi uses state-issued medical cards and medical cannabis equivalency units (MMCEUs). Resident and approved nonresident cardholders have different limits.
North Dakota
North Dakota medical-card protections apply to products bought from registered in-state medical dispensaries. Purchase limits and possession limits are different.
Alabama
Alabama’s medical program requires qualifying patients and caregivers to register. The commission reports that the first dispensary opened June 4, 2026.
Colorado
Colorado’s current criminal code distinguishes adult possession of marijuana from larger quantities, public use, and underage possession.
Idaho
Idaho’s Office of Drug Policy describes marijuana possession, manufacture, delivery, and use as illegal under state law.
Indiana
Indiana’s 2026 code makes knowing marijuana possession and cultivation offenses, with higher classifications in specified circumstances.
Kansas
Kansas prohibits marijuana possession under its controlled-substance statute. A narrow statutory CBD defense requires specific medical documentation.
Louisiana
Louisiana law allows qualifying visiting medical patients to buy from permitted medical retailers when documentation and attestation requirements are met.
Nebraska
Nebraska law protects qualifying medical patients within the statutory amount. Commission rulemaking is separate from confirmation that a retail location is operating.
New Hampshire
New Hampshire’s therapeutic program uses patient registration and alternative treatment centers. Possession and purchase limits are separate.
South Carolina
South Carolina’s controlled-substance chapter prohibits unauthorized possession and specifically provides marijuana possession penalties.
South Dakota
South Dakota requires practitioner certification before medical patient registration. Home cultivation requires additional authorization in the application.
Wisconsin
Wisconsin’s controlled-substance statute prohibits unauthorized possession and specifies penalties for tetrahydrocannabinols.
Wyoming
Wyoming’s controlled-substance law restricts marijuana possession. Its prescription exception does not create a general medical marijuana program.