"Grow Your Own" cannabis laws
State by State Home Cannabis Cultivation Laws
updated February 11, 2018
Alaska
Grow Limits: An adult over the age of 21 may possess, grow, process, or transport no more than six (6) plants total, with no more than three (3) plants that are mature.
Arizona
Grow Limits: A medical marijuana patient or the qualifying patient’s designated caregiver may cultivate up to twelve (12) plants if they live more than 25 miles from the nearest medical marijuana dispensary.
Grow Limits: Adults over the age of 21 may cultivate up to six (6) plants per residency. Medical marijuana patients and their primary caregivers may cultivate up to six (6) mature cannabis plants, or up to twelve (12) immature cannabis plants. With the recommendation of a physician, medical marijuana patients may be permitted to grow a greater amount per the patient’s needs.
Colorado
Grow Limits: Any adult resident of Colorado may grow up to six (6) plants per person, with no more than three (3) plants in the mature/flowering stage at any time. Non-Colorado residents may not cultivate cannabis. No more than twelve (12) total plants are allowed per residence regardless of the number of adults living there. Cannabis plants must be kept in an enclosed, locked area out of view. Homegrown cannabis may not be sold to others.
District of Columbia
Hawaii
Grow Limits: A registered medical marijuana program participant that indicates their intent to grow on their application may grow an “adequate supply,” or no more than seven (7) plants total and no more than 4 oz. of usable marijuana jointly between a registered patient and caregiver. A qualifying patient may designate a caregiver on their application to grow no more than seven (7) plants total on their behalf. A caregiver may only grow for one patient at a time. Whosoever is designated to grow medical marijuana should tag each plant at the base with their 329 card number and expiration date. Act 241 eliminates the ability of a caregiver to grow medical marijuana on behalf of a qualifying patient after December 31, 2018 (unless the patient is a minor or adult lacking legal capacity or resides on an island without a dispensary).
Maine
Grow Limits: A maximum of six (6) mature plants per Maine resident may be cultivated for personal use. Anyone who elects to cultivate marijuana plants must keep the plants in an enclosed, locked facility unless the plants are being transported. Minors, incapacitated adults, homeless qualifying patients, and registered patients in hospice or nursing facilities may not cultivate his or her own marijuana. Only designated primary caregivers or designated dispensaries may cultivate on behalf of a qualifying patient in this case.
Grow Limits: Adults over the age of 21 may cultivate up to six (6) mature plants per person for personal use, and plants must not be visible to the general public. A qualifying medical marijuana patient with a hardship cultivation registration may cultivate a limited number of plants sufficient to maintain a 60-day supply solely for that patient’s use. He or she may apply for a hardship cultivation registration if the patient can demonstrate that his or her access to a registered medical dispensary (RMD) is limited by:
- Verified financial hardship
- Physical incapacity to access reasonable transportation (an inability to use public transportation or drive oneself), lack of personal caregiver with reliable transportation, or lack of RMD that will deliver to the patient’s or personal caregiver’s primary address
- Lack of a RMD within a reasonable distance of the patient’s residence and lack of a RMD that will deliver marijuana to the patient’s or personal caregiver’s primary address
- A nonrefundable registration fee (unless waived due to financial hardship)
- Information supporting a claim that access is limited to one or more of the above circumstances
- An explanation including lack of feasible alternatives to mitigate limitations claimed
- A description and address of the single location that shall be used for the cultivation of marijuana, which shall either be the registered qualifying patient’s or personal caregiver’s primary residence
- A written explanation of how the qualifying patient will cultivate marijuana
- A description of the device or system that will be used to ensure security and prevent diversion of the marijuana plants being cultivated
- Written acknowledgement of the limitations on his or her authorization to cultivate, possess, and use marijuana for medical purposes
Michigan
Grow Limits: A primary caregiver who has been issued and possesses a registry identification card shall not be subject to arrest, prosecution, or penalty if the primary caregiver possesses an amount of marijuana that does not exceed 2.5 ounces of usable marijuana, or twelve (12) plants kept in an enclosed, locked facility for each registered qualifying patient that has specified that the primary caregiver be allowed under state law to cultivate marijuana for the qualifying patient.
Grow Limits: A registered cardholder may possess up to four (4) mature plants, twelve (12) seedlings, and one (1) ounce of usable marijuana. A provider or marijuana-infused product provider may possess four (4) mature plants, twelve (12) seedlings, and one (1) ounce of usable marijuana for each registered cardholder who has named the person as the registered cardholder’s provider.
Nevada
Grow Limits:
- Up to six (6) plants in the privacy of their residence, if they live more than 25 miles from the nearest retail cannabis shop
- Up to twelve (12) plants per household, if the household is located more than 25 miles from the nearest retail cannabis shop
-
A registered medical marijuana patient may possess and grow:
- Possessing, delivering, or producing no more than 2 ½ ounces of usable marijuana
- Twelve (12) marijuana plants, irrespective of whether the plants are mature or immature, if they live more than 25 miles from the nearest medical marijuana dispensary
New Mexico
North Dakota
Oregon
Rhode Island
Possession/Use and Grow Limits: A patient cardholder who has in his or her possession a registry identification card shall not be subject to arrest, prosecution, or penalty for the medical use of marijuana, provided that the patient cardholder possesses an amount of marijuana that does not exceed twelve (12) mature marijuana plants and two and one-half (2.5) ounces of usable marijuana. Said plants shall be stored in an indoor facility.
Vermont
Grow Limits: The qualifying patient may also grow, in his or her domicile, up to six (6) plants for the personal medical use of the qualifying patient and possess up to eight (8) ounces of usable marijuana produced from his or her plants.