Native Plants: Mililani Mauka vs Urban Honolulu
How do native plants rules compare between Mililani Mauka, HI and Urban Honolulu, HI?
Mililani Mauka and Urban Honolulu have similar restriction levels.
Mililani Mauka, HI
Honolulu County
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 →Urban Honolulu, HI
Honolulu County
Urban Honolulu allows native Hawaiian species as substitutions under LUO Sec. 21-4.70 but does not require native-only landscaping, with voluntary xeriscape guidance used in Kakaako and downtown streetscapes.
View full Urban Honolulu rules →Key Facts Comparison
| Fact | Mililani Mauka | Urban Honolulu |
|---|---|---|
| Code | LUO Sec. 21-4.70 | - |
| Mandate | None for natives | - |
| Climate fit | Central Oahu plateau | - |
| Guidance | BWS Xeriscape Program | BWS Xeriscape Program |
| Code section | - | LUO Sec. 21-4.70 |
| Native mandate | - | None |
| Substitution allowed | - | Yes |
| Common in | - | Kakaako streetscapes |
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.
Urban Honolulu FAQ
Does urban Honolulu require native plants downtown?
No. LUO Sec. 21-4.70 permits native Hawaiian species as landscape substitutions but does not require them citywide. Kakaako master plans encourage native use voluntarily.
Can condo associations mandate native-only plantings?
Yes, HOAs and condo boards may set stricter plant lists for common areas; the city does not preempt those internal rules so long as LUO landscape minimums are met.
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