How Ewa Gentry Handles Landscaping Rules: A Practical Guide

Ewa Gentry maintains 109 local ordinances across all categories, and 9 of those deal specifically with landscaping rules. Here is a breakdown of what the city actually requires, what is prohibited, and where Ewa Gentry falls on the strict-to-permissive spectrum compared to other cities.

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.

Key details: Code: ROH Chapter 16A, Article 2. Compliance window: 30 days after notice. Enforcement: Planning and Permitting. Local risk: Leeward brush fire zone.

DPP issues a written notice. After 30 days of noncompliance the city may enter, cut vegetation, and bill abatement costs as a lien on the Ewa Gentry property.

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.

Key details: Code: ROH Sec. 10-1.4. Permit issuer: Parks and Recreation Urban Forestry. Scope: Public right-of-way trees. Common corridor: Fort Weaver Road.

Unpermitted trimming may trigger a citation, arborist-assessed damages, and replanting orders. Improper cuts on coconut palms near sidewalks can add liability claims.

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.

Key details: Code: ROH Sec. 30-2.3. Operational rules: BWS shortage stages 1-4. Local context: Leeward drought-prone zone. Non-potable: Ewa recycled water available.

BWS can issue warnings and escalating penalties during declared shortages. Chronic violations may lead to flow restrictors or service disconnection under BWS rules.

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.

Key details: Code: ROH Sec. 16A-2.1 et seq.. Notice: 30-day written compliance. Remedy: City abatement and lien. Risk driver: Leeward fire and vermin.

After 30 days, city abatement crews may enter the Ewa Gentry lot, cut vegetation, and bill the owner. Unpaid charges attach as a lien on the property.

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.

Key details: Code: ROH Secs. 40-8.1 to 40-8.9. Register: ROH Sec. 40-8.7. Emergencies: ROH Sec. 40-8.9. State law: HRS Chapter 58.

Unpermitted removal of an exceptional tree can trigger misdemeanor citation, mitigation planting, and restitution based on arborist-assessed replacement value.

This is one of the stricter rules in Ewa Gentry's municipal code. If you are unsure whether your situation complies, it is worth checking with the city before proceeding.

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.

Key details: City code: No specific ordinance. Plumbing code: Up to 360 gallons exempt. Incentive: BWS rain barrel rebates. HOA layer: Gentry aesthetic rules apply.

No ordinance penalties apply for compliant backyard catchment. HOA rules can still require screening or limit front-yard placement in Gentry subdivisions.

Ewa Gentry is more permissive than most cities when it comes to rainwater harvesting. That said, there are still limits.

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.

Key details: Code: LUO Sec. 21-4.70. Mandate: None for natives. Climate fit: Dry leeward plain. Guidance: BWS Xeriscape Program.

No penalties apply for voluntary native plant use. Failure to meet LUO landscape area minimums for larger Ewa Gentry developments can block permit approvals.

The rules around native plants in Ewa Gentry lean permissive, but that does not mean anything goes.

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.

Key details: City code: No specific turf rule. LUO landscape: Sec. 21-4.70 applies. Heat issue: Leeward sun intensity. HOA layer: Gentry design review.

No ordinance penalties for private turf. Projects that fall short of LUO landscape area requirements can be denied permits or required to add living plantings.

Ewa Gentry is more permissive than most cities when it comes to artificial turf. That said, there are still limits.

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.

Key details: Code: ROH Sec. 42-3.5. Curbside program: G.R.O.W. food scraps. Effective: Phased from April 2025. Setout rule: ROH Sec. 42-1.4.

Improper cart setout or contaminated green carts may draw warning tags and fines. Commercial Ewa food operations face escalating penalties for diversion failures.

The Bottom Line

Compared to many U.S. cities, Ewa Gentry gives residents more room on landscaping rules. 3 of the 9 rules here are rated permissive. But permissive does not mean unregulated. There are still requirements, and the city does enforce them when violations are reported.

These rules come from Ewa Gentry's publicly available municipal code. For complete penalty schedules, exemption details, and answers to common questions, see the individual ordinance pages throughout this guide.