Frequently Asked Questions (FAQ) How much marijuana can I buy in Maine? Under Maine’s recreational marijuana law, adults 21 years of age or older are allowed to purchase up to 2.5 ounces of marijuana from a dispensary. Is marijuana legal in Maine? Yes it is! Recreational marijuana and medical marijuana are both legal in Maine. Where can I buy marijuana in Maine? When recreational marijuana dispensaries open, customers will be able to purchase recreational marijuana from them. No recreational dispensaries are open in Maine just yet, however, medical marijuana dispensaries are open for business. Can I bring marijuana from Maine to other states? No you may not. Exporting marijuana is illegal in Maine and can land you in prison. It’s best to enjoy marijuana lawfully, so be wise and don’t stir up any trouble. Am I allowed to grow my own marijuana in Maine? Yes you may. Adults 21 years of age or older are able to cultivate up to 3 flowering marijuana plants at a time, so long as they are tagged and grown within a private residence occupied by the grower.