Medical Cannabis in Colorado

Program overview

Colorado operates Colorado Medical Marijuana Program, administered by Colorado Marijuana Enforcement Division.

How Colorado’s law developed

Amendment 20 legalized medical marijuana in 2000. Colorado became the first state alongside Washington to legalize recreational use via Amendment 64 in 2012.

Official resource

Colorado MED

Start with your state's own official program information.

Visit official resource

Neighboring states

Official Colorado resources

Questions people in Colorado ask

Is recreational marijuana legal in Colorado?
Yes. Colorado was the first state alongside Washington to legalize recreational use in 2012 via Amendment 64. Retail sales began January 2014. Medical patients benefit from lower taxes and higher potency limits.
Does Colorado accept out-of-state medical cards?
No formal reciprocity, but recreational cannabis is available to all adults 21+ at dispensaries. Out-of-state visitors can purchase recreationally.