Hawaii Cannabis Laws
(HI)Hawaii has had medical cannabis since 2000. Patients can possess 4 oz and grow 10 plants.
Hawaii has a medical-only cannabis program. Compare all medical states →
Key Statistics
Quick Facts
Not Legal
Legal
Medical Cannabis Program
4 oz
10 plants per patient (7 immature, 3 mature)
Cancer, glaucoma, HIV/AIDS, PTSD, epilepsy, MS, Crohn's, rheumatoid arthritis, chronic pain, and others
Get certification from licensed physician, register with Hawaii Department of Health
Need help getting your medical card? Complete guide to getting a medical marijuana card .
Penalties & Enforcement
Under 3g decriminalized ($130 fine). Over 3g: Criminal penalties
Federal vs Hawaii 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.
Hawaii State Law
Status: Medical Only. Qualified patients with a valid medical card may access cannabis through the state program.
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:
Hawaii Official Cannabis WebsiteSources
- Hawaii 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
- Hawaii (HI)
- Status
- Medical Only
- Med Limit
- 4 oz