You must be 18 years old to obtain a medical marijuana card in New Hampshire. If you are under 18, then you must designate a legal guardian, who is at least 21 years of age and responsible for your health care decisions, to submit an application on your behalf. They must also sign a written consent and agree to responsibility for your acquisition and use of medical cannabis, and submit written certification from two medical providers, one of whom must be a pediatrician.
In order to receive a medical marijuana card in the state of New Hampshire, you have to be 18 years of age. You show proof of residency by providing one of the following: a New Hampshire I.D. an out of state I.D., passport, or other photo I.D. along with proof of residency such as bank statement, utility bill, etc is acceptable.
You can get a medical marijuana card in New Hampshire as soon as you turn 18, but you’d have to be diagnosed by a physician as having a debilitating medical condition, in other words a life-threatening one, to be eligible for it. If you are, then you’ll need your medical records as proof at the marijuana evaluation appointment/