Yes, a person 21 years or older may lawfully cultivate up to two plants in their home, out of public view. Likewise, a household may cultivate a maximum of two plants, regardless of how many persons over age 21 live in the residence.
Individuals under 21 are not permitted to cultivate cannabis plants. In addition, medical patients registered with the Maryland Cannabis Administration can cultivate two additional plants, for a total of four plants; not to exceed more than four plants in a given residence. Landlords and property owners can prohibit growing cannabis on their properties.