All of Philadelphia's medical marijuana dispensaries are listed in the directory below. Click on the profile link to learn more about each store. Patients registered with the state’s medical marijuana program can purchase up to a 30 day supply per month, and are eligible to renew that supply within the last 7 days of a 30-day period. You can find out more about purchase and possession limits, as well as a list of qualifying conditions on the Pennsylvania Marijuana Laws page.