Your Complete Guide to Medical Cannabis Possession Limits Across the United States

Disclaimer: This article is for educational purposes only and does not constitute legal advice. Medical marijuana laws change frequently and vary by jurisdiction.

Cannabis possession limits vary between states, reflecting different approaches to medical cannabis regulation. Some states allow generous amounts, recognizing that patients with severe conditions may need substantial quantities, while others maintain restrictive limits that may not meet all patients’ therapeutic needs.

Violating possession limits can result in card revocation, fines, or criminal charges, even for legitimate medical patients.

Overview: Cannabis Possession Limits

Medical marijuana possession limits serve multiple regulatory purposes while attempting to balance patient access with public safety concerns.

These limits specify maximum amounts patients can possess at any given time, though some states also impose purchase limits within specific time periods.

Types of Possession Limits

States structure possession limits in several ways that affect how patients manage their medication supply:

• Total possession limits: Maximum amounts patients can possess at any time
• Monthly purchase limits: How much patients can buy within 30-day periods
• Product-specific limits: Different amounts for flower, edibles, concentrates
• Home vs. public limits: Varying amounts for different locations
• Caregiver provisions: Additional amounts when caring for multiple patients

Factors Influencing State Limits

These factors show how states determine appropriate possession amounts:

• Patient population size: States with more patients often allow higher limits
• Medical condition severity: Programs serving terminally ill patients may be more generous
• Diversion prevention: Concerns about medical cannabis entering illegal markets
• Federal pressure: Fear of federal intervention in state programs
• Public acceptance: Community attitudes toward medical marijuana access

State-by-State Medical Marijuana Possession Limits

As of September 2025, 40 states and the District of Columbia have legalized the medical use of cannabis.

Alabama

Alabama has a limited medical cannabis program, which was signed into law in 2021. As of 2025, the program is not yet fully operational.

Patients with qualifying conditions will be allowed to use non-smokable cannabis products such as pills, oils, and patches.

The law sets a maximum daily limit of 70 daily dosages of medical cannabis, with a cap of 50 milligrams for the first 90 days. Home cultivation is not permitted under the medical program.

Alaska

• Flower: Registered patients may possess up to 1 ounce (28g) of usable cannabis.
• Edibles: Equivalent amounts to the flower limit.
• Concentrates: Equivalent amounts to the flower limit.
• Home Cultivation: Registered patients may cultivate up to 6 plants, with no more than 3 being mature at any one time.

Arizona

Qualifying patients can possess cannabis and cultivate plants if they live more than 25 miles from a dispensaries. The program allows for flower, edibles, and concentrates.

Possession Limits

• Flower: Qualifying patients can possess up to 2.5 ounces (71g) of cannabis in a 14-day period.
• Edibles: Equivalent amounts to the flower limit.
• Concentrates: Equivalent amounts to the flower limit, with a specific limit of no more than 5 grams of concentrates/extracts for recreational users.
• Home Cultivation: Medical patients may cultivate up to 12 plants if they live more than 25 miles from a dispensaries.

Arkansas

• Flower: Patients can possess up to 2.5 ounces (71g) of marijuana per 14-day period.
• Edibles: Equivalent amounts to the flower limit.
• Concentrates: Equivalent amounts to the flower limit.
• Home cultivation: Not permitted

California

• Flower: Medical patients can possess up to 8 ounces (230g) of cannabis.
• Edibles: Equivalent amounts to the flower limit.
• Concentrates: Equivalent amounts to the flower limit.
•  Home Cultivation: Medical patients can cultivate up to 6 mature or 12 immature plants.

Colorado

• Flower: Medical patients can possess up to 2 ounces (57g) of cannabis.
• Edibles: Equivalent amounts to the flower limit.
• Concentrates: Equivalent amounts to the flower limit.
• Home Cultivation: Medical patients can cultivate up to 6 plants, with no more than 3 being mature at any one time.

Connecticut

• Flower: Medical patients can possess up to 5 ounces (140g) per month.
• Edibles: Equivalent amounts to the flower limit.
• Concentrates: Equivalent amounts to the flower limit.
• Home Cultivation: Up to 6 plants (3 mature, 3 immature) at home.

Delaware

• Flower: Medical patients can possess up to 6 ounces (170g) of cannabis every 60 days.
• Edibles: Equivalent amounts to the flower limit.
• Concentrates: Equivalent amounts to the flower limit.
• Home Cultivation: Not permitted.

Florida

Possession Limits

• Flower: A qualified physician may not issue a physician certification for more than six 35-day supply limits of marijuana.
• Edibles: A qualified physician may not issue a physician certification for more than six 35-day supply limits of marijuana.
• Concentrates: A qualified physician may not issue a physician certification for more than six 35-day supply limits of marijuana.
• Home Cultivation: Not permitted.

Georgia

Georgia has a limited medical cannabis program that allows for the use of low-THC oil (up to 5% THC) for qualifying patients.

Hawaii

• Flower: Patients can possess up to 4 ounces (113g) of cannabis per 15-day period.
• Edibles: Equivalent amounts to the flower limit.
• Concentrates: Equivalent amounts to the flower limit.
• Home Cultivation: Patients can cultivate up to 10 plants.

Idaho

Idaho has not legalized medical marijuana.

Illinois

• Flower: Medical patients can possess up to 2.5 ounces (71g) of cannabis per 14-day period.
• Edibles: Equivalent amounts to the flower limit.
• Concentrates: Equivalent amounts to the flower limit.
• Home Cultivation: Medical patients can cultivate up to 5 plants.

Indiana

Indiana has a limited medical CBD law that allows for the use of CBD products with less than 0.3% THC. The state has not legalized medical marijuana.

Iowa

• Flower: Not permitted.
• Edibles: Permitted, within the 4.5g THC/90-day limit.
• Concentrates: Permitted, within the 4.5g THC/90-day limit.
• Home Cultivation: Not permitted.

Kansas

Kansas has not legalized medical marijuana. The state has a limited CBD law that allows for the use of CBD products with 0% THC.

Kentucky

• Flower: A 30-day supply, as determined by a physician.
• Edibles: A 30-day supply, as determined by a physician.
• Concentrates: A 30-day supply, as determined by a physician.
• Home Cultivation: Not permitted.

Louisiana

• Flower: Patients can possess up to 2.5 ounces (71g) of cannabis flower per 14-day period.
• Edibles: Equivalent amounts to the flower limit.
• Concentrates: Equivalent amounts to the flower limit.
• Home Cultivation: Not permitted.

Maine

• Flower: Patients can possess up to 2.5 ounces (71g) of cannabis every 15 days.
• Edibles: Equivalent amounts to the flower limit.
• Concentrates: Equivalent amounts to the flower limit.
• Home Cultivation: Patients can cultivate up to 6 mature plants.

Maryland

• Flower: A 30-day supply, which is defined as 4 ounces (120g) of dried flower.
• Edibles: Equivalent amounts to the flower limit.
• Concentrates: Equivalent amounts to the flower limit.
• Home Cultivation: Not permitted.

Massachusetts

• Flower: Patients can possess up to a 60-day supply, which is defined as 10 ounces (283g).
• Edibles: Equivalent amounts to the flower limit.
• Concentrates: Equivalent amounts to the flower limit.
• Home Cultivation: Patients can cultivate up to 6 plants.

Michigan

• Flower: Patients can possess up to 2.5 ounces (71g) of cannabis.
• Edibles: Equivalent amounts to the flower limit.
• Concentrates: Equivalent amounts to the flower limit.
• Home Cultivation: Patients can cultivate up to 12 plants.

Minnesota

• Flower: A 90-day supply, as determined by a pharmacist.
• Edibles: Equivalent amounts to the flower limit.
• Concentrates: Equivalent amounts to the flower limit.
• Home Cultivation: Not permitted.

Mississippi

• Flower: Patients can possess up to 3.5 grams of cannabis per day, with a monthly limit of 3 ounces.
• Edibles: Equivalent amounts to the flower limit.
• Concentrates: Equivalent amounts to the flower limit.
• Home Cultivation: Not permitted.

Missouri

• Flower: Patients can possess up to 4 ounces (113g) of cannabis per 30-day period.
• Edibles: Equivalent amounts to the flower limit.
• Concentrates: Equivalent amounts to the flower limit.
• Home Cultivation: Patients can cultivate up to 6 plants.

Montana

• Flower, concentrates, and edibles: Patients can possess up to 1 ounce (28g) of cannabis.
• Home Cultivation: Patients can cultivate up to 4 mature plants and 4 seedlings.

Nebraska

Nebraska passed a medical cannabis law in 2024. The program is not yet operational.

Nevada

• Flower, concentrates, and edibles: Patients can possess up to 2.5 ounces (71g) of cannabis per 14-day period.
• Home Cultivation: Patients can cultivate up to 12 plants if they live more than 25 miles from a dispensaries.

New Hampshire

• Flower, concentrates, and edibles: Patients can possess up to 2 ounces (57g) of cannabis per 10-day period.
• Home Cultivation: Not permitted.

New Jersey

• Flower, concentrates, and edibles: Patients can possess up to 3 ounces (85g) of cannabis per 30-day period.
• Home Cultivation: Not permitted.

New Mexico

• Flower, concentrates, and edibles: A 90-day supply, as determined by a physician.
• Home Cultivation: Patients can cultivate up to 16 plants (4 mature, 12 immature).

New York

• Flower, concentrates, and edibles: A 60-day supply, as determined by a physician.
• Home Cultivation: Patients can cultivate up to 6 plants (3 mature, 3 immature).

North Carolina

North Carolina has a limited medical CBD law that allows for the use of CBD products with less than 0.9% THC for intractable epilepsy. The state has not legalized medical marijuana.

North Dakota

• Flower, concentrates, and edibles: Patients can possess up to 3 ounces (85g) of cannabis per 30-day period.
• Home Cultivation: Not permitted.

Ohio

• Flower, concentrates, and edibles: A 90-day supply, which is defined as 8 ounces (227g) of tier I cannabis (up to 23% THC) or 5.3 ounces (150g) of tier II cannabis (23% to 35% THC).
• Home Cultivation: Not permitted.

Oklahoma

• Flower: Patients can possess up to 3 ounces (85g) of cannabis.
• Edibles: Patients can possess up to 72 ounces (2kg) of edibles.
• Concentrates: Patients can possess up to 1 ounce (28g) of concentrates.
• Home Cultivation: Patients can cultivate up to 6 mature plants and 6 seedlings.

Oregon

• Flower: Patients can possess up to 24 ounces (680g) of cannabis.
• Edibles: Patients can possess up to 16 ounces (454g) of edibles.
• Concentrates: Patients can possess up to 16 ounces (454g) of concentrates.
• Home Cultivation: Patients can cultivate up to 6 mature plants and 18 seedlings.

Pennsylvania

• Flower, concentrates, and edibles: A 30-day supply, as determined by a pharmacist.
• Home Cultivation: Not permitted.

Rhode Island

• Flower, concentrates, and edibles: Patients can possess up to 2.5 ounces (71g) of cannabis every 15 days.
• Home Cultivation: Patients can cultivate up to 12 plants.

South Carolina

South Carolina has a limited medical CBD law that allows for the use of CBD products with less than 0.9% THC for severe epilepsy. The state has not legalized medical marijuana.

South Dakota

• Flower, concentrates, and edibles: Patients can possess up to 3 ounces (85g) of cannabis.
• Home Cultivation: Patients can cultivate up to 3 plants.

Tennessee

Tennessee has a limited medical CBD law that allows for the use of CBD products with less than 0.9% THC for certain medical conditions. The state has not legalized medical marijuana.

Texas

Texas has a limited medical cannabis program that allows for the use of low-THC products (up to 1% THC) for certain medical conditions.

Utah

• Flower, concentrates, and edibles: A 30-day supply, which is defined as 113 grams (4 ounces).
• Home Cultivation: Not permitted.

Vermont

• Flower, concentrates, and edibles: Patients can possess up to 2 ounces (57g) of cannabis.
• Home Cultivation: Patients can cultivate up to 9 plants (2 mature, 7 immature).

Virginia

• Flower, concentrates, and edibles: Patients can possess up to 4 ounces (113g) of cannabis.
• Home Cultivation: Patients can cultivate up to 4 plants.

Washington

• Flower: Patients can possess up to 3 ounces (85g) of cannabis.
• Edibles: Patients can possess up to 48 ounces (1.36kg) of edibles.
• Concentrates: Patients can possess up to 21 grams (0.75 ounces) of concentrates.
• Home Cultivation: Patients can cultivate up to 6 plants.

West Virginia

• Flower, concentrates, and edibles: A 30-day supply, as determined by a physician.
• Home Cultivation: Not permitted.

Wisconsin

Wisconsin has a limited medical CBD law that allows for the use of CBD products with less than 0.3% THC. The state has not legalized medical marijuana.

Wyoming

Wyoming has a limited medical CBD law that allows for the use of CBD products with less than 0.3% THC for intractable epilepsy. The state has not legalized medical marijuana.

Equivalency Calculations

The equivalency formulas convert between different product types when determining possession limits.

Common Conversion Ratios

• 1 gram of flower = 5 grams of edibles
• 1 gram of flower = 0.3 grams of concentrate
• 1 gram of concentrate = 16.7 grams of edibles
• 1 milligram of THC = standard dosing measurement across products

State-Specific Variations

Some states use different equivalency ratios or calculate limits based on total THC content rather than product weight. Verify your state’s specific conversion formulas to ensure compliance.

Compliance Tips for Medical Marijuana Patients

Staying within possession limits requires careful planning and understanding of your state’s specific regulations.

Best Practices for Compliance

• Track your purchases using apps or spreadsheets to monitor monthly totals
• Store products properly in original packaging with labels intact
• Understand renewal timing to avoid gaps in legal protection
• Plan for travel by researching destination state laws
• Keep documentation current, including valid medical cards and physician recommendations

Interstate Travel Considerations

Currently, no federal protections exist for medical marijuana patients traveling between states. Each state’s laws apply within their borders, and possession of cannabis remains federally illegal.

Check out this guide for traveling with medical marijuana.

Stay Compliant with Professional Guidance

Don’t risk legal complications due to misunderstanding possession limits. Call TeleLeaf at (504) 264-3123 to schedule a consultation with a cannabis physician who can help you understand your rights, responsibilities, and legal protections as a medical marijuana patient.