Colorado Recreational Cannabis Laws
Purchasing & consumption rules for adults 21+.
Informational only — not legal advice. Cannabis laws change frequently; verify current rules with the official sources linked below before relying on this page.
Last verified: 2026-08-28
Colorado Cannabis Laws — Quick Facts
Status
Recreational legal · since 2012 (Amendment 64)
Min. Age
21
At Home
2 oz
Home Grow
Yes
Source: official state guidance · Facts verified 2026-08-28
Residents & out-of-state visitors
Adult-use cannabis: adults 21 and older
State residents
- Who can buy
- Adults 21+ with valid government-issued photo ID.
- Purchase limit
- 1 oz flower-equivalent per transaction: 1 oz flower, 8 g concentrate, or 800 mg THC in products, or a proportional combination.
- Public possession limit
- 2 oz marijuana.
Out-of-state visitors
- Who can buy
- Adults 21+ with valid government-issued photo ID.
- Purchase limit
- 1 oz flower-equivalent per transaction: 1 oz flower, 8 g concentrate, or 800 mg THC in products, or a proportional combination.
- Public possession limit
- 2 oz marijuana.
Sources: Official state guidance · Reviewed 2026-09-09
Purchase and possession limits are different. Limits apply within this state; do not carry cannabis across state lines. Medical programs may have separate rules.
Find dispensary listings in Colorado
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Browse all Colorado dispensaries →1. Status & Authority
- Legal Since: 2012 (Amendment 64)
- Governing Agency: Marijuana Enforcement Division (MED)
- Statute/Citation: Colorado Retail Marijuana Code (Title 44, Article 10)
- Medical Exists: Yes
- Retail Sales Operational: Yes
2. Who Can Purchase
- Minimum Age: 21
- ID Requirements: Valid government-issued photo ID
- State residents: Adults 21+ with valid government-issued photo ID.
- Resident vs. Out-of-State/Visitor: Adults 21+ with valid government-issued photo ID.
3. Purchase & Possession Limits
- Resident purchase: 1 oz flower-equivalent per transaction: 1 oz flower, 8 g concentrate, or 800 mg THC in products, or a proportional combination.
- Visitor purchase: 1 oz flower-equivalent per transaction: 1 oz flower, 8 g concentrate, or 800 mg THC in products, or a proportional combination.
- Resident public possession: 2 oz marijuana.
- Visitor public possession: 2 oz marijuana.
4. Where & How to Buy
- Dispensaries: Licensed retail marijuana stores.
- Delivery & Online: Delivery is legal but subject to local municipality opt-in (e.g., Denver allows it, but many others do not). Online ordering is for delivery or in-store pickup.
- Consumption Lounges: Allowed as "marijuana hospitality businesses" or "hospitality and sales businesses," subject to local opt-in.
- Local Opt-Outs: Widespread. Many municipalities and counties have opted out of allowing recreational marijuana sales entirely.
5. Taxes & Payment
- Excise Tax: 15% on wholesale transfers.
- Sales Tax: 15% special retail marijuana sales tax, plus the 2.9% state sales tax.
- Local Tax: Local municipalities may levy their own additional sales taxes.
- Payment: Cash or cashless ATMs at most locations.
6. Consumption Rules
- Permitted Locations: Private property and licensed hospitality establishments.
- Prohibited Locations: Public consumption is strictly prohibited (parks, sidewalks, ski resorts, concert venues).
- Vehicles/Open Container: Illegal to consume in a vehicle. Products must be in a closed, sealed container during transport.
- Landlord/Employer: Landlords can ban cultivation and use on their properties. Employers can fire employees for off-duty marijuana use.
7. Home Cultivation
- Allowed: Yes
- Plant Count Limits: Up to 6 plants per adult (maximum 3 mature/flowering).
- Household Caps: Maximum 12 plants per household, regardless of the number of adults. Must be enclosed, locked, and not visible to the public. If minors live in or visit the home, plants must be strictly inaccessible to them.
8. Penalties
- Over-Limit Possession: Petty offense or misdemeanor depending on amount over the limit.
- Public Consumption: Fine and potential community service.
- Sale to Minors: Felony.
- DUI Thresholds: "Per se" standard allows prosecution if a driver has 5 nanograms or more of delta-9 THC per milliliter of blood. However, impairment can be charged even below this limit.
9. Sources
- Colorado Legislative Council — Marijuana Handbook (Accessed: 2026-08-28)
- Marijuana Enforcement Division (MED) (Accessed: 2026-07-12)
- Colorado Official State Web Portal (Accessed: 2026-07-12)