Home cannabis cultivation in Honolulu County is governed solely by Hawaii state law HRS 329-122, which allows 329-card patients to grow up to ten plants at one registered residence with tagged plants; recreational cultivation is illegal.
Cannabis home cultivation in Honolulu County is governed exclusively by state law; the ROH does not contain a county cultivation ordinance. HRS 329-122 allows qualifying patients with a 329 medical card, and certain caregivers (since January 1, 2024 limited to minors and incapacitated adults), to cultivate up to ten cannabis plants at a single registered grow site. That site must be the patient's residence, the caregiver's residence, or another site under their control. All plants must be tagged with the 329 card number and expiration date. Inter-island transport is prohibited, and recreational cultivation remains illegal statewide.
Unauthorized cultivation, exceeding ten plants, or inter-island transport can result in loss of medical privileges and criminal drug charges under HRS Chapter 329.
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Side-by-side rule comparisons with other cities in Honolulu County.
See how other cities in Honolulu County handle home cultivation.
See how Honolulu's home cultivation rules stack up against other locations.
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