In 2016 Massachusetts made it legal for an adult to consume cannabis, a short time after it legal recreational dispensaries officially opened their doors to adults 21-year-old and older on November 2018.
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Only people 21 and over can legally possess or use marijuana. You can legally possess 1 ounce of marijuana in the state. The law bans all public use of marijuana. Massachusetts residents are able to cultivate up to 6 living plants.