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Landscaping Rules in Ewa Gentry, HI (2026)

9 verified landscaping rules for Ewa Gentry, Hawaii, sourced directly from the municipal code and official government pages.

Verified from official government sources

Grass Height Limits

Ewa Gentry homeowners must keep lawns and lots from becoming weed nuisances under ROH Chapter 16A, enforced alongside Gentry master association rules.

Ewa Gentry Overgrown Vegetation Nuisance Rules

Some Restrictions

Tree Trimming

Ewa Gentry residents need an Urban Forestry permit before trimming street trees along Fort Weaver Road, Kolowaka Drive, and Gentry village streets under ROH Sec. 10-1.4.

Ewa Gentry Street Tree Trimming Permit Rules

Some Restrictions

Tree Removal & Heritage Trees

Removing a designated exceptional tree on an Ewa Gentry lot requires a Parks and Recreation permit under ROH Chapter 40, Article 8.

Ewa Gentry Exceptional Tree Removal Rules

Heavy Restrictions

Weed Ordinances

Ewa Gentry vacant lots and partially built parcels must be kept clear of fire-prone weeds under ROH Sec. 16A-2.1 et seq., with 30-day owner notices.

Ewa Gentry Weed and Vacant Lot Abatement Rules

Some Restrictions

Water Restrictions

Ewa Gentry irrigation is subject to ROH Chapter 30 water management and Board of Water Supply shortage stages that can restrict days and hours of outdoor watering.

Ewa Gentry Outdoor Water Use and Conservation

Some Restrictions

Rainwater Harvesting

Ewa Gentry homeowners may install residential rain barrels and catchment without a Honolulu ordinance permit; state plumbing code allows small systems under 360 gallons.

Ewa Gentry Rainwater Catchment Guidance

Few Restrictions

Native Plants

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

Ewa Gentry Native Hawaiian Plant Landscaping Options

Few Restrictions

Artificial Turf

Ewa Gentry has no specific Honolulu ordinance regulating artificial turf; LUO Sec. 21-4.70 governs whether synthetic turf counts toward landscape area.

Ewa Gentry Artificial Turf Use Guidance

Few Restrictions

Composting

Ewa Gentry residents must follow ROH Sec. 42-3.5 food waste recycling and the G.R.O.W. curbside program under Ordinance 23-30.

Ewa Gentry Food Waste and Yard Waste Recycling

Some Restrictions

Looking for Honolulu County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Ewa Gentry city rules.

Landscaping Rules in Honolulu County