Alaska – Adults (21+) may grow up to six (6) marijuana plants (no more than three mature) for non-commercial purposes. Plants must be hidden from public view. You may possess up to 1 ounce, and gift up to 1 ounce. You may use, display or possess up to 4 ounces if it’s for personal use and is only used inside your private residence. Please note, possession of more than 4 ounces in your home is still a felony. Alaska has legalized medical marijuana, but the restrictions for patients aren’t any less strict.
Arizona – Personal possession and home cultivation were legalized November 3, 2020. Arizona adults 21 and older can legally possess up to 1 ounce of cannabis and grow up to six plants. Plants may not be viewable to the public and must be in a lockable, enclosed area like a closet or greenhouse.
California – Proposition 64 permits adults over 21 years of age to legally grow up to six (6) plants, including all of the harvest from those plants. California also has legalized medical marijuana, and patients with a doctor’s recommendation have no specific cultivation limits under state law, though check for any local ordinances (note: local ordinances are not allowed to reduce plant limits below six mature or 12 immature cannabis plants plus eight ounces of dried cannabis per patient). If you believe you are eligible for a recommendation, you might want to get one so that you don’t have to worry about plant limits. You also pay significantly lower taxes when purchasing legal weed if you have a medical recommendation. They’re incredibly easy to get now that weed is legal for all adults, so search for “medical recommendation california” into google to get one).
Colorado – For adults who are at least 21 years old, there is no penalty in Colorado for persons who privately cultivate up to 6 marijuana plants, with no more than 3 being mature. Colorado also has medical marijuana laws that allow for home cultivation, but the plant restrictions are basically the same.
Northern Mariana Islands (Commonwealth of the Northern Mariana Islands) – Due to the Taulamwaar Sensible CNMI Cannabis Act of 2018, registered adults may typically cultivate no more than six mature and 12 immature plants per household or cultivation location.
Guam – Adults (21+) can legally possess and transfer up to 1 ounce of flower or 8 grams of concentrates. Adults may privately cultivate up to six (6) cannabis plants, of which no more than three (3) can be mature. Grow must be in an “enclosed, locked space.”
Maine – An adult may cultivate up to 3 flowering marijuana plants, 12 immature plants, and unlimited seedlings. An adult may possess all the marijuana that was produced by the plants. Otherwise, adults can possess up to 2.5 oz. Marijuana must be consumed on private property or in a private residence. Maine has legalized medical marijuana, and patients may possess up to 6 mature plants.
Massachusetts – An adult may grow six (6) marijuana plants at the adult’s primary residence with a limit of a total of twelve (12) plants at the residence. Plants must be hidden from public view.
Michigan – An adult may grow up to 12 marijuana plants at the adult’s residence for personal use. Plants must not be visible to public view.
Montana – Home cultivation was legalized on November 3, 2020. Adults 21+ may grow up to four mature marijuana plants and four seedlings at a private residence. Any amount over 1 oz must be kept in a locked space and not visible from a public place. You must own the residence where the plants are being cultivated or obtain written permission from the owner.
New York – Adult-use allowed. Home cultivation will become legal after a delay that depends on further legislation (home grow will be legal by April 2023 at the latest).
New Mexico – Adult-use allowed. Adults over 21 may have up to 2 ounces of marijuana. Adults can grow six plants at home, or up to 12 per household. Sales begin no later than April 2022.
Nevada – Check with a lawyer before growing in Nevada. Question 2 permits adults who are not participating in the state’s medical cannabis program to legally grow up to six marijuana plants, and to possess all of the harvests from those plants, if they reside 25 miles or more away from an operating marijuana retailer. No residence may have more than 12 plants at any one time. Medical cannabis patients in Nevada can cultivate up to 12 mature plants, though there are some limits if the patient resides within 25 miles of an operating dispensary.
Oregon – There is no fine or penalty for the cultivation of up to 4 plants grown at home. Medical patients can grow up to six mature plants and 18 immature seedlings.
South Dakota is in legal limbo – Legalization initiative is currently struck down by a judge but on appeal. Home cultivation was approved by voters on November 3, 2020 and adults 21+ would have been able to possess and distribute up to 1 ounce of weed and cultivate up to three cannabis plants.
Washington, DC (District of Columbia) – Adults 21 and older may cultivate up to six marijuana plants (no more than three mature at any one time) in their primary residence without penalty. Small amounts can be gifted if not for profit.
Vermont – As of July 1, 2018, adult cultivation in private of up to six marijuana plants (two mature and up to four immature) is no longer punishable by a criminal or civil penalty. You may possess all the marijuana that you grow. Medical patients in Vermont can grow up to nine plants, but only two may be mature.
