The Michigan Medical Marijuana Act (MMMA) permits medical marijuana caregivers in the state to cultivate marijuana plants on behalf of patients who already specified that caregivers can grow marijuana for them. However, cultivation must be in enclosed, locked facilities.
A medical marijuana caregiver in Michigan may only grow up to 12 marijuana plants per patient. Since they can only have a maximum of five patients, it implies that a caregiver may cultivate up to 60 marijuana plants. However, under the MMMA, a medical marijuana caregiver can also be a medical marijuana patient. Hence, by law, they may cultivate up to 72 plants if filling their patient quota. Only caregivers are legally allowed to access caregivers' marijuana cultivation areas. According to state law, it is a felony for anyone other than the caregiver to enter the caregiver's marijuana grow site.