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🌿 Landscaping Rules/Native Plants

Native Plants: Mililani Mauka vs Pearl City

How do native plants rules compare between Mililani Mauka, HI and Pearl City, HI?

Mililani Mauka and Pearl City have similar restriction levels.

Mililani Mauka, HI

Honolulu County

Few Restrictions

Mililani Mauka landscape designs may substitute native Hawaiian species for standard street trees under LUO Sec. 21-4.70; no mandatory native-only rule applies.

View full Mililani Mauka rules β†’

Pearl City, HI

Honolulu County

Few Restrictions

Pearl City permits native Hawaiian species as landscape substitutions under LUO Sec. 21-4.70, a water-wise option for condo common areas and single-family yards near Pearlridge.

View full Pearl City rules β†’

Key Facts Comparison

FactMililani MaukaPearl City
CodeLUO Sec. 21-4.70LUO Sec. 21-4.70
MandateNone for nativesVoluntary, not required
Climate fitCentral Oahu plateauCentral Oahu warm zone
GuidanceBWS Xeriscape ProgramBWS Xeriscape Program

Highlighted rows indicate differences between cities.

Mililani Mauka FAQ

Will the Mauka HOA approve native landscaping?

Usually yes. Submit plans to the Mililani Mauka Community Association; natives typically qualify if the design matches approved palettes and screening standards.

Do natives count as LUO landscape requirements?

Yes. LUO Sec. 21-4.70 explicitly permits natives as street tree substitutes and accepts them toward landscape area minimums if layout standards are met.

Pearl City FAQ

Can a Pearl City condo replace lawn with native groundcover?

Yes. LUO Sec. 21-4.70 permits native species substitutions, which can reduce HOA water costs and align with BWS Xeriscape guidance.

Do I need approval to plant natives in my yard?

Not for typical single-family yards. Approvals apply primarily to new construction or permitted landscape plans reviewed by the Department of Planning and Permitting.

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