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Colorado

13 city guides.

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DestinationNorth America

Colorado city guides

13 guides

AspenUnited StatesBoulderUnited StatesCastle RockUnited StatesColorado SpringsUnited StatesDenverUnited StatesEvergreenUnited StatesFederal HeightsUnited StatesFort CollinsUnited StatesGrand JunctionUnited StatesGreeleyUnited StatesGunnison – Crested ButteUnited StatesMonumentUnited StatesSteamboat SpringsUnited States

Colorado Marijuana Laws

As recorded December 15, 2025 · not verified as current law.

Cannabis laws in Colorado follow Colorado’s state law. Local variations are uncommon—jurisdiction law sets the baseline for legality and penalties.

Recreational cannabis is legal for adults 21 and older under state law. Medical cannabis is available with registration. Cannabis remains illegal under federal law, so legal risk may still exist in certain contexts. Possession up to 28 grams is permitted.

Quick facts

  • Recreational: Legal (adults 21+)
  • Medical: Available
  • Possession: Up to 28g permitted under state law
  • Buying/Selling: Legal from licensed retailers
  • Tourists: Subject to same rules; federal risks remain

Practical guidance

Avoid cross-border transport of cannabis products. Do not assume informal tolerance equals legality.

Legislative History

Colorado became one of the first U.S. states to legalize recreational cannabis in 2012 via Amendment 64, permitting adults 21+ to possess up to one ounce (28 grams), cultivate up to six plants (three mature), and purchase from licensed retailers. Medical cannabis was legalized earlier in 2000 through Amendment 20, establishing a patient registry system.