Cannabis in Oklahoma
Cannabis laws change. This page summarizes the current rules in Oklahoma for adults 21 and older — what's legal, what isn't, possession limits, home cultivation, and where to buy.
Regulator: Oklahoma Medical Marijuana Authority
Recreational
Illegal
Medical
Legal
CBD
Legal
Home Grow
Allowed
Recreational Use in Oklahoma
Recreational use is not legal in Oklahoma.
Medical Cannabis in Oklahoma
Medical cannabis is legal in Oklahoma since 2018. Licensed dispensaries are operating.
Patients enrolled in the Oklahoma program must meet state-specified qualifying conditions and obtain a registry card from the Oklahoma Medical Marijuana Authority. Program rules cover possession amounts, caregiver designations, and reciprocity with out-of-state cards.
Home Cultivation
Home cultivation is permitted in Oklahoma. Plant limit: 12 per adult. 6 mature, 6 seedlings for medical patients
Hemp-Derived CBD
CBD is legal in Oklahoma. Hemp-derived CBD with THC at or below 0.3% is allowed.
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 Oklahoma.
AT A GLANCE
- State
- Oklahoma (OK)
- Regulator
- Oklahoma Medical Marijuana Authority
SQ 788 passed 2018. Very permissive medical program.
21+ Only
For use only by adults 21 years of age or older. Keep out of reach of children. Do not drive a motor vehicle while under the influence of cannabis.
© 2026 Dr. Greenthumb's. All rights reserved. Cannabis affects everyone differently. Individual experiences may vary.