Colorado Cannabis Laws
(CO)Colorado was the first state to legalize recreational cannabis (2012). Adults can possess 2 oz and grow 6 plants.
Colorado is one of the states with legal recreational marijuana. View all recreational states →
Key Statistics
Quick Facts
Legal
Legal
21+
Dec 9, 2012
Recreational Cannabis Laws
2 oz flower, 8g concentrate
1 oz per transaction for residents, 1 oz for visitors
6 plants per adult (3 flowering), max 12 per household
Medical Cannabis Program
2 oz usable
Cancer, glaucoma, HIV/AIDS, cachexia, persistent muscle spasms, seizures, severe nausea, severe pain, PTSD
Need help getting your medical card? Complete guide to getting a medical marijuana card .
Federal vs Colorado State Law
Federal Law
Cannabis remains a Schedule I controlled substance under the federal Controlled Substances Act. Possession, distribution, and cultivation are federal crimes regardless of state law.
Colorado State Law
Status: Recreational & Medical Legal. Adults 21+ may possess and purchase cannabis at licensed dispensaries.
Federal employees, federal contractors, and anyone crossing state lines should follow federal rules regardless of state legalization.
Frequently Asked Questions
Official Resources
For the most up-to-date and authoritative information, visit the official state resource:
Colorado Official Cannabis WebsiteSources
- Colorado Official Cannabis Resource (accessed Dec 6, 2025)
Information last verified: Dec 6, 2025. Cannabis laws change frequently — always verify current rules with official state sources.
Quick Reference
- State
- Colorado (CO)
- Status
- Recreational & Medical Legal
- Rec Limit
- 2 oz flower, 8g concentrate
- Med Limit
- 2 oz usable
- Min Age
- 21+
- Home Grow
- 6 plants per adult (3 flowering), max 12 per household