In most regions where recreational marijuana is legal, you must be at least to purchase it. However, this age limit varies significantly depending on your location and whether you are purchasing it for medical or recreational use. Recreational Purchase Age

Countries like Germany , Malta , and Uruguay allow purchase or possession starting at 18 years old . In the Netherlands , you must be 18 to enter and buy from a "coffeeshop". Medical Purchase Age

The federal minimum age is 18, but most provinces have raised it to 19 . 18 years old: Only in Alberta . 21 years old: Only in Quebec .

All 24 states that have legalized recreational use require you to be 21 or older . This includes states like California , Colorado , and Massachusetts .

In many U.S. states with medical programs, patients can typically purchase marijuana at 18 with a valid medical recommendation.

Regardless of age, you must provide a (such as a driver's license or passport) at the time of purchase to verify your age. What's legal - Department of Cannabis Control