The legal answer is yes, but only inside a defined personal-use framework.
The cleanest state-level answer is simple: New York allows adults 21 and older to grow cannabis at home for personal use. OCM says the adult-use limit is up to six plants per person, capped at 12 plants per household, even if more than two adults live there. OCM also says plants must be kept in a secure place and not be accessible to anyone under 21. That is the core baseline most readers actually mean when they ask this question.
The next part matters just as much. Homegrown cannabis is still supposed to stay in the personal-use lane. OCM's home-cultivation guidance and landlord guidance both draw bright lines around sale and other misuse. This site stays conservative and treats home cultivation as personal-use cultivation, not as a side-door commercial model. That is why ColaXpress keeps legal pages narrow and links the rest of the workflow outward instead of pretending the law is a mood board.
There is also a local-government layer. OCM's FAQ says that even if a municipality opted out of adult-use dispensaries or on-site consumption businesses, it still cannot restrict an adult's right to home cultivate adult-use cannabis. At the same time, OCM says municipalities may enact and enforce regulations related to home cultivation as long as they do not completely ban it. That means the state baseline matters first, but readers should still confirm local requirements before they build the room.