Maine Law Center

Green Guide Maine

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Maine at a glance

Program: Medical + adult use
Legal allotment: 2.5 oz prepared · 6 mature plants
Qualifying conditions: 15 listed conditions
Out-of-state cards: Accepted

The figures above are re-checked against Maine's official program sources every month.

Maine's Medical Use of Cannabis Program is administered by the Office of Cannabis Policy (OCP) within the Department of Administrative and Financial Services. Patients with a qualifying medical condition may obtain a written certification from a medical provider and register with the program. Maine also permits adult-use cannabis. Registered patients may possess up to 2.5 ounces of prepared cannabis and cultivate up to 6 mature plants.

Official Program

Laws of Maine

Every law and official source for Maine, each linked to the page that publishes it.

Official Maine cannabis law & rules

Allotment Trainer

2.5 oz prepared · 6 mature plants Learn how it works and track your balance here.

Licensed places in Maine

14 licensed places are on record in {name} — licensed shops, consumption lounges, cannabis clubs and cannabis-friendly venues.

Cannabis Haven — Auburn
HIGHLY Recreational Dispensary — Woolwich

See every Maine listing

Key Rules

Possession

Registered patients may possess up to 2.5 ounces of prepared cannabis and cultivate up to 6 mature plants.

Transportation

Cannabis must be in its original packaging and stored out of reach of the driver during transport.

Employment

Maine law does not require employers to accommodate medical cannabis use. Consult your employer's policy and an attorney.

Travel

Cannabis may not be taken across state lines. Doing so violates federal law.

Renewal

Certifications must be renewed annually.

Qualifying Conditions

CancerGlaucomaHIV / AIDSMultiple sclerosisCrohn's diseaseEpilepsyPost-traumatic stress disorder (PTSD)Severe painCachexiaSevere nauseaSevere or persistent muscle spasmsAmyotrophic lateral sclerosis (ALS)Alzheimer's diseaseChronic painIntractable pain

Frequently Asked Questions

How much can I possess?

Up to 2.5 ounces of prepared cannabis and up to 6 mature plants.

Can I grow my own?

Yes — up to 6 mature plants under the medical program.

Is recreational use also legal?

Yes; the medical card offers higher possession and cultivation limits.

Maine community board

OCP Issues Guidance on New Medical Cannabis Laws
The Office of Cannabis Policy recently reminded municipalities about two new laws expanding options for medical cannabis patients and caregivers. These changes allow patient sales at industry trade shows and create a new "Outdoor Only Cultivation" tier for caregivers. What kind of community events or trade shows would you love to see in your area?
Feedback Open for Medical Cannabis Research Grants
The Office of Cannabis Policy is currently accepting public comments on proposed rules for the new Medical Cannabis Research Grant Program until October 23, 2026. Patients and community members can submit their feedback online or via mail to help shape how these research grants will be administered. What kind of medical cannabis research would you most like to see funded in Maine?
Patient Advisory: Ganja World Concentrate
The Office of Cannabis Policy issued an advisory for the "Deep Sea" cannabis concentrate sold by Ganja World, a delivery service in central Maine. The product was found to contain unsafe levels of residual butane after patients reported adverse health reactions. What questions do you typically ask your delivery service about how their products are made?

Open the Maine board