Two and one-half ounces
Yes, patients (or their primary caregivers) may possess no more than six mature marijuana plants.
Yes, a minimum of eight.
Yes, primary caregiver is a person providing care for the registered patient. The caregiver must be 21 years of age or older. The caregiver can never have been convicted of a disqualifying drug offense. Patients can name one or two primary caregivers. (Only one person may be allowed to cultivate marijuana for a registered patient).
Yes, authorizes visiting qualifying patient with valid registry identification card (or its equivalent), to engage in conduct authorized for the registered patient (the medical use of marijuana) for 30 days after entering the State, without having to obtain a Maine registry identification card. Visiting qualifying patients are not authorized to obtain in Maine marijuana for medical use.
Statement of Maine's Medicinal Marijuana Law [PDF]