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🌿 Landscaping Rules/Native Plants

East Honolulu vs Mililani Town

How do native plants rules compare between East Honolulu, HI and Mililani Town, HI?

East Honolulu and Mililani Town have similar restriction levels.

East Honolulu, HI

Honolulu County

Few Restrictions

East Honolulu landscaping follows LUO Sec. 21-4.70. Native Hawaiian species are permitted substitutions, making them a strong drought option for dry Hawaii Kai and Portlock lots.

View full East Honolulu rules β†’

Mililani Town, HI

Honolulu County

Few Restrictions

Mililani Town landscaping may substitute native Hawaiian species under LUO Sec. 21-4.70; HOA guidelines may govern which are approved for front yards.

View full Mililani Town rules β†’

Key Facts Comparison

FactEast HonoluluMililani Town
CodeLUO Sec. 21-4.70LUO Sec. 21-4.70
MandateVoluntary, not requiredNone, substitution allowed
GuidanceBWS Xeriscape ProgramBWS Xeriscape Program
Climate fitLeeward dry coastal-
HOA layer-MTA architectural rules

Highlighted rows indicate differences between cities.

East Honolulu FAQ

Do I have to use native plants in my East Honolulu yard?

No. Natives are permitted substitutions under LUO Sec. 21-4.70 but are not required. They are encouraged for xeriscape water savings.

Can I plant a native street tree instead of a standard species?

Yes. Native Hawaiian species are allowed as substitutions in landscape designs, subject to Department of Planning and Permitting plan approval.

Mililani Town FAQ

Can I replace my Mililani front lawn with ilima?

Under ROH yes, but the Mililani Town Association may require maintained turf coverage. Submit an architectural application before converting front yards.

Are native plants drought-friendly in Mililani?

Yes. Central Oahu's dry periods favor natives like ilima and uki uki. BWS Xeriscape Program highlights species suited to Mililani's sun and soil.

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