Can you grow your own cannabis in Hawaii?
Yes. Hawaii medical patients can grow at home: Up to 10 plants (mature or immature) per patient at a registered grow site.
Rules that usually apply
- Plants must be out of public view and secured from minors.
- Only registered patients (or their caregivers) may grow.
- Selling home-grown cannabis is illegal.
Sources
- Hawaii eHawaii.gov - Medical Cannabis Registry service page
- Hawaii DOH - Qualifying Medical Conditions
- Hawaii DOH - In-State Patient Application
- Hawaii DOH - Out-of-State Patient Application
- Hawaii DOH - Growing Cannabis
- Hawaii DOH - Registry Program Updates
This guide is general information, not medical or legal advice. Laws change — confirm details with your state agency. State facts last checked October 7, 2026.