Alaska Use, possession and cultivation of medical cannabis is legal for patients with written documentation of their medical need from their physician. The law establishes a state registry for identification cards. Patients can possess no more than one ounce of useable cannabis and cultivate no more than six cannabis plants – with no more than three of those plants fully matured.
Arizona Patients with written physician identification can use and possess no more than two and half ounces of useable cannabis. Patients can obtain a state-issued identification card. Patients who live more than 25 miles from a state-licensed cannabis dispensary may cultivate no more than 12 cannabis plants in an “enclosed and locked” facility.
California Use, possession and cultivation of medical cannabis is legal for patients with “written or oral recommendation” by their physicians. In 2004, amendments were made to limit the amount of possession to no more than eight ounces and/or six mature (or 12 immature) cannabis plants. However, if patients demonstrate an extra need by their doctors, higher quantities may be allowed, depending on the county and municipality. The state is working on creating a patient registry.
Colorado Use, possession and cultivation are legal for patients with written physician-approved documentation. Patients may possess no more than two ounces and may cultivate no more than six plants. Patients can obtain a state-issued identification card. State dispensaries must be licensed and in compliance with zoning laws.
Delaware Yet to take effect, the legislation for the Delaware Medical Marijuana Act was signed on May 13, 2011. The law allows use and possession (of up to six ounces) of cannabis obtained from a state-licensed facility for patients with proven debilitating conditions. There will be at least one facility per county for patients. Home cultivation is still illegal. Patients must obtain a state-issued identification card.
District of Columbia Though unable to grow cannabis, residents of the district may obtain medical cannabis with written physician recommendation. Patients may only possess up to two ounces at a time. Medical dispensaries – which can be non-profit or for-profit – can only grow up to 95 plants on site.