Cannabis Laws in Colorado

STATE CANNABIS GUIDE

Cannabis Laws in Colorado

Is weed legal in Colorado? Possession limits, home grow rules, medical program and dispensary info.

Recreational
Legal Status
1 oz in public
Possession Limit
6 plants (3 flowering)
Home Growing
650
Dispensaries
Last reviewed: May 2026 — Verified against official state sources
Key Facts — Cannabis in Colorado

Is Weed Legal in Colorado?

Cannabis is currently recreational in Colorado (CO). First state to legalize recreational cannabis in 2012.

Adults in Colorado may possess up to 1 oz in public of cannabis.

Possession Limits in Colorado

CategoryLimit / Rule
Public Possession1 oz in public
Home Growing6 plants (3 flowering)
Medical ProgramActive
Dispensaries~650 licensed dispensaries

Colorado was the first US state to open recreational cannabis dispensaries in January 2014 following the passage of Amendment 64 in 2012. The Marijuana Enforcement Division regulates commercial cannabis. Adults may possess 1 ounce publicly and grow 6 plants at home. On-site consumption is prohibited in most venues, though licensed hospitality businesses are permitted in some localities.

Cannabis & Drug Testing in Colorado

Despite recreational legality in Colorado, cannabis remains federally illegal. Employers can — and many do — still require drug tests.

💧
Urine
3–30 days
💈
Hair
Up to 90 days
💬
Saliva
1–3 days
🩸
Blood
1–7 days

The most common pre-employment test in Colorado is the urine test, which can detect THC metabolites for up to 30 days in regular users. See: How long does THC stay in urine?

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