Frequently asked questions Can I get an MMJ Card for my child in Mississippi? In Mississippi, you may be able to get a medical marijuana card for a minor with parental/guardian consent. Medical marijuana has been proven to be effective for many conditions suffered by children. The Leafwell providers understand this and frequently work with parents to help them get their children the medical care they need. However, as the Mississippi Medical Marijuana Program hasn’t been established as of yet, it is not possible to tell you all the ins-and-outs of medical cannabis qualification for minors.