How's Pot Doing in Massachusetts?
Cannabis is 100% Legal in Massachusetts
Last reviewed: January 13, 2026
Is it legal for adults to possess cannabis in the state of Massachusetts?
YES
"A person 21 years of age or older shall not be arrested, prosecuted, penalized, sanctioned or disqualified under the laws of the commonwealth in any manner, or denied any right or privilege and shall not be subject to seizure or forfeiture of assets for: (1) possessing, using, purchasing, processing or manufacturing 1 ounce or less of marijuana, except that not more than 5 grams of marijuana may be in the form of marijuana concentrate." - malegislature.gov
Is it legal for adults to buy cannabis in a store in the state of Massachusetts?
YES
""A person 21 years of age or older shall not be arrested, prosecuted, penalized, sanctioned or disqualified under the laws of the commonwealth in any manner, or denied any right or privilege and shall not be subject to seizure or forfeiture of assets for: (1) possessing, using, purchasing, processing or manufacturing 1 ounce or less of marijuana, except that not more than 5 grams of marijuana may be in the form of marijuana concentrate"" - malegislature.gov
Is it legal for adults to grow cannabis in the state of Massachusetts?
YES
"Within the person's primary residence, possessing up to 10 ounces of marijuana and any marijuana produced by marijuana plants cultivated on the premises and possessing, cultivating or processing not more than 6 marijuana plants for personal use so long as not more than 12 plants are cultivated on the premises at once." - malegislature.gov
Is it legal for medical marijuana patients to possess cannabis in the state of Massachusetts?
YES
"The maximum amount of marijuana a Patient may possess at one time is a 60-day supply—or up to 10 ounces. A Certifying Health Care Provider may deem a larger quantity is medically necessary." - masscannabiscontrol.com
Is it legal for medical marijuana patients to buy cannabis in a store in the state of Massachusetts?
YES
"To obtain marijuana for medical use from an MTC, you must have an active certification from your Certifying Health Care Provider, as well as maintain an active registration with the Program. Upon entrance at an MTC, simply present your Program registration card and a valid form of identification and follow all directions for purchase." - masscannabiscontrol.com
Is it legal for medical marijuana patients to grow cannabis in the state of Massachusetts?
YES
""The law allows qualifying patients to apply for a Hardship Cultivation Registration to grow a limited number of plants sufficient to maintain a 60-day supply of marijuana for personal medical use. However, the Commission has not yet implemented the Hardship Cultivation Registration program. Until then, patients are subject to the general home cultivation limits: up to six plants per person, twelve per household."" - mass.gov