NY Penal L § 222.15 (2021)
2021 New York Laws PEN - Penal Part 3 - Specific Offenses Title M - Offenses Against Public Health and Morals Article 222 - Cannabis 222.15 - Personal Cultivation and Home Possession of Cannabis.

§ 222.15 Personal cultivation and home possession of cannabis.   1.  Except  as  provided for in section forty-one of the cannabis law, and unless otherwise authorized by law or regulation, no person may:  (a) plant, cultivate, harvest, dry, process or possess more than three mature cannabis plants and three immature cannabis  plants  at  any  one time; or  (b)  plant, cultivate, harvest, dry, process or possess, within his or her private  residence,  or  on  the  grounds  of  his  or  her  private residence,  more  than  three  mature cannabis plants and three immature cannabis plants at any one time; or  (c) being under the age of twenty-one, plant, cultivate, harvest, dry, process or possess cannabis plants.   2. No more than six mature and six immature  cannabis  plants  may  be cultivated, harvested, dried, or possessed within any private residence, or on the grounds of a person's private residence.   3.  The  personal  cultivation  of  cannabis  shall  only be permitted within, or on the grounds of, a person's private residence.   4. Any mature or immature cannabis plant described in paragraph (a) or (b) of subdivision one of this section, and any cannabis produced by any such cannabis plant or plants cultivated, harvested, dried, processed or possessed pursuant to paragraph (a) or (b) of subdivision  one  of  this section  shall,  unless  otherwise  authorized  by law or regulation, be stored within such person's private residence or on the grounds of  such person's  private  residence.  Such  person  shall take reasonable steps designed to ensure that such cultivated cannabis is in a  secured  place and not accessible to any person under the age of twenty-one.   5.  Notwithstanding  any  law  to  the contrary, a person may lawfully possess up to five pounds of cannabis in their private residence  or  on the  grounds  of such person's private residence. Such person shall take reasonable steps designed to ensure that such cannabis is in  a  secured place not accessible to any person under the age of twenty-one.   6.  A  county, town, city or village may enact and enforce regulations to reasonably regulate the actions and conduct set forth in  subdivision one of this section; provided that:  (a)  a violation of any such a regulation, as approved by such county, town, city or village enacting the regulation, may  constitute  no  more than an infraction and may be punishable by no more than a discretionary civil penalty of two hundred dollars or less; and  (b)  no  county,  town,  city or village may enact or enforce any such regulation or regulations that may completely or essentially prohibit  a person  from engaging in the action or conduct authorized by subdivision one of this section.   A violation of this section, other than paragraph (a)  of  subdivision six  of  this  section,  may  be subject to a civil penalty of up to one hundred twenty-five dollars per violation.   7. The office of cannabis management shall issue regulations  for  the home  cultivation  of  cannabis. The office of cannabis management shall enact, and may enforce, regulations to regulate the actions and  conduct set  forth  in  this section including requirements for, or restrictions and prohibitions on, the use of any compressed  flammable  gas  solvents such  as propane, butane, or other hexane gases for cannabis processing; or other  forms  of  home  cultivation,  manufacturing,  or  cannabinoid production and processing, which the office determines poses a danger to public  safety;  and  to  ensure the home cultivation of cannabis is for personal use by an adult over the age of  twenty-one  in  possession  of cannabis  plants,  and not utilized for unlicensed commercial or illicit activity, provided any  regulations  issued  by  the  office  shall  not  completely  or essentially prohibit a person from engaging in the action or conduct authorized by this section.   8.  The office of cannabis management may issue guidance or advisories for the education and promotion of safe  practices  for  activities  and conduct authorized in subdivision one of this section.   9. Subdivisions one through five of this section shall not take effect until  such  a  time  as  the  office  of cannabis management has issued regulations governing the home cultivation of cannabis. The office shall issue rules and regulations governing the home cultivation  of  cannabis by  certified  patients as defined in section three of the cannabis law, no later than six months after the effective date of  this  article  and shall  issue  rules  and  regulations  governing the home cultivation of cannabis for cannabis consumers as  defined  by  section  three  of  the cannabis   law  no  later  than  eighteen  months  following  the  first authorized retail sale of adult-use  cannabis  products  to  a  cannabis consumer.