- Leafwell Help Center
- Hawaii - Coming Soon
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General Information
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How much cannabis can I possess in Hawaii with an MMJ Card?
In Hawaii, you can possess the following amounts with a valid MMJ Card:
- 4 ounces of usable marijuana
- 3.5 grams of concentrated cannabis
This is the maximum amount in a fifteen (15) day period.
Qualified medical marijuana patients can grow their own cannabis in Hawaii - up to 10 plants at a single location owned by the patient and/or caregiver (total amount no more than 10 plants).