Hawaii Home Cultivation Law: Statewide Cannabis Regulations Rules (2026)

Key Facts

Patient plant limit: 10 plants total
Statute: HRS 329-122
Recreational growing: Prohibited statewide
Site rules: Enclosed locked secured

Full Breakdown

Under HRS Chapter 329, registered qualifying patients and primary caregivers may cultivate up to ten cannabis plants combined at one designated grow site, regardless of plant maturity. The site must be enclosed, locked, and not visible to the public. Recreational home cultivation is prohibited; only state-licensed dispensaries may produce cannabis for non-patient adult use, and Hawaii has not legalized recreational use. Counties cannot expand cultivation rights or authorize recreational growing. Possessing more than the registered limit is a criminal offense subject to state prosecution.

Violations & Penalties

Exceeding ten plants or unregistered cultivation is a misdemeanor or felony under HRS 712, with penalties including jail and fines based on plant count.

Frequently Asked Questions

Can adults grow cannabis at home in Hawaii?

Only registered medical cannabis patients and their caregivers may cultivate, with a combined ten-plant limit. Recreational cultivation is illegal statewide and counties cannot authorize it.

How many cannabis plants can a Hawaii medical patient grow?

Up to ten plants total at one registered grow site, shared between the patient and primary caregiver. The site must be enclosed, locked, and screened from public view.

Hawaii Medical Cannabis Home Cultivation Rules

Key Facts

Full Breakdown

Violations & Penalties

Frequently Asked Questions

Sources

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