Honolulu vs Waipahu
How do native plants rules compare between Honolulu, HI and Waipahu, HI?
Honolulu and Waipahu have similar restriction levels.
Honolulu, HI
Honolulu County
Honolulu County permits native Hawaiian species as landscape substitutions under LUO Sec. 21-4.70 but does not mandate native-only planting; voluntary guidance comes from the Board of Water Supply Xeriscape Program.
View full Honolulu rules →Waipahu, HI
Honolulu County
Waipahu permits native Hawaiian species as landscape substitutions under LUO Sec. 21-4.70, well-suited for small lots and community gardens along the leeward plain.
View full Waipahu rules →Key Facts Comparison
| Fact | Honolulu | Waipahu |
|---|---|---|
| Code section | LUO Sec. 21-4.70 | - |
| Native mandate | None | - |
| Substitution allowed | Yes for street trees | - |
| Voluntary program | BWS Xeriscape | - |
| Applies to | All Oahu zoning districts | - |
| Code | - | LUO Sec. 21-4.70 |
| Mandate | - | Voluntary, not required |
| Guidance | - | BWS Xeriscape Program |
| Climate fit | - | Leeward dry plain |
Highlighted rows indicate differences between cities.
Honolulu FAQ
Does Honolulu require native plants in new landscaping?
No. LUO Sec. 21-4.70 allows native species as substitutions but does not require them. Voluntary guidance from BWS and UH CTAHR supports native plant selection.
Can I replace a required street tree with a native species?
Yes. The Land Use Ordinance permits approved native Hawaiian species as landscape substitutions with acceptance from the Department of Planning and Permitting.
Waipahu FAQ
Can a Waipahu community garden use native plants for edges?
Yes. LUO Sec. 21-4.70 permits native substitutions. Many community gardens use natives for perimeter hedges to reduce water and maintenance needs.
Do natives satisfy rental property landscape requirements?
For single-family rentals, typical yard maintenance rules apply. Natives are generally acceptable as long as the overall yard is maintained and non-hazardous.
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