Cannabis in California

California cannabis access depends on two tracks: Recreational use is legal in California since 2016. Adults can possess up to 1 oz flower, 8g concentrate. Retail sales began in 2018. Medical cannabis is legal in California since 1996. Licensed dispensaries are operating. The state regulator listed for this page is Department of Cannabis Control (DCC).

Regulator: Department of Cannabis Control (DCC)

Recreational

Legal

Medical

Legal

CBD

Legal

Home Grow

Allowed

What this means for cannabis in California

California's rules should be read by access type: adult-use status, medical program status, possession limits, home cultivation, and the regulator responsible for current guidance.

  • Adult-use access: adult-use cannabis is legalized in 2016, and retail sales started in 2018.
  • Medical program: medical cannabis was authorized in 1996; licensed dispensaries are operating, and qualifying-condition rules apply.
  • Possession: Adults 21+ can possess up to 1 oz flower, 8g concentrate of cannabis flower.
  • Home cultivation: Home cultivation is permitted in California. Plant limit: 6 per adult. 6 plants per residence regardless of occupants
  • CBD context: CBD is legal in California. Higher-THC products are available with the appropriate license.
  • Regulator to verify: Department of Cannabis Control (DCC).
  • State note: Prop 215 (1996) first medical. Prop 64 (2016) recreational. Largest US market.

Recreational Use in California

Recreational use is legal in California since 2016. Adults can possess up to 1 oz flower, 8g concentrate. Retail sales began in 2018.

Adults 21 and older can legally purchase cannabis from licensed retailers in California. Sales are regulated by the Department of Cannabis Control (DCC). All product sold by licensed retailers is lab-tested for potency and contaminants. Identification is required at purchase.

Medical Cannabis in California

Medical cannabis is legal in California since 1996. Licensed dispensaries are operating.

Patients enrolled in the California program must meet state-specified qualifying conditions and obtain a registry card from the Department of Cannabis Control (DCC). Program rules cover possession amounts, caregiver designations, and reciprocity with out-of-state cards.

Home Cultivation

Home cultivation is permitted in California. Plant limit: 6 per adult. 6 plants per residence regardless of occupants

Hemp-Derived CBD

CBD is legal in California. Higher-THC products are available with the appropriate license.

Hemp-derived CBD products with THC at or below 0.3% are federally legal under the 2018 Farm Bill. State rules add their own restrictions on labeling, lab testing, and retail. See the CBD page for California.

Dr. Greenthumb's in California

We operate 4 licensed dispensaries in California. Each carries our full lineup — flower, pre-rolls, vapes, edibles, and concentrates — and all product is lab-tested and compliant with Department of Cannabis Control (DCC) requirements.

Cannabis by City in California

City-specific guides covering local dispensary access, ordinances, and community context.

Cannabis Questions in California

Is cannabis legal in California?

Recreational use is legal in California since 2016. Adults can possess up to 1 oz flower, 8g concentrate. Retail sales began in 2018. Medical cannabis is legal in California since 1996. Licensed dispensaries are operating.

What are the possession limits in California?

Adults 21+ can possess up to 1 oz flower, 8g concentrate of cannabis flower.

Can adults grow cannabis at home in California?

Home cultivation is permitted in California. Plant limit: 6 per adult. 6 plants per residence regardless of occupants

Where should people buy cannabis in California?

Adults 21 and older should buy from licensed retailers regulated by the Department of Cannabis Control (DCC). Identification is required at purchase.

Sources & Verification

This page uses Dr. Greenthumb's current state dataset for California, including the listed regulator: Department of Cannabis Control (DCC). It is informational, not legal advice, and should be checked against current state guidance before buying or operating.

AT A GLANCE

State
California (CA)
Recreational legal since
2016
Possession limit (21+)
1 oz flower, 8g concentrate
Regulator
Department of Cannabis Control (DCC)

Prop 215 (1996) first medical. Prop 64 (2016) recreational. Largest US market.

Related State Guides

21+ Only

Cannabis products are for use only by adults 21 years of age or older. Keep out of reach of children and pets. Do not drive or operate heavy machinery while under the influence of cannabis.

WARNING: Proposition 65 - Cannabis smoke and products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Licensed Dispensary

Verify our license at California Department of Cannabis Control

© 2026 Dr. Greenthumb's. All rights reserved. Cannabis affects everyone differently. Individual experiences may vary.