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Garden Grove — Landscaping and Screening

Landscaping and Screening under the Garden Grove local zoning and planning code, with the controlling citations.

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Quick answer

Garden Grove generally requires at least 10% landscaped area in mixed-use projects (excluding setbacks) and 10% of parking areas in other zones to be landscaped, with 1 tree per 8 spaces and a 24‑in box street tree every 20 ft (§ 9.18.120.030(A); § 9.16.040.070(B),(C); § 9.08.040.060(E)). In R‑1, front‑yard hardscape is capped at 50% and parkways must be landscaped (§ 9.08.040.050(D)). At corners, nothing over 36 in is allowed in the 25‑ft vision triangle (§ 9.08.040.100(F)).

Last reviewed: July 25, 2026 · AI-generated analysis · General information, not legal advice · details

Compiled from Garden Grove's adopted code with AI research tools and grounded in the sources cited below. Verify with Garden Grove planning staff before relying on it.

Overview

Garden Grove regulates landscaping, screening, and perimeter walls/fences in Title 9 of its Zoning Code, with tailored rules for the R-1 (Single‑Family Residential), Multiple‑Family Residential, Office‑Professional/Commercial/Industrial, and Mixed Use zones. Core themes recur across districts: water‑efficient planting design, minimum landscaped areas in and around parking, street‑tree standards, parkway landscaping, screening of unsightly elements, and strict maintenance. Approvals and later changes to approved landscape plans run through the City’s hearing body via design review or site plan review, and no final occupancy issues until approved landscaping is in place (§ 9.08.040.070; § 9.18.120.040).

At street corners, within a 25‑ft by 25‑ft vision triangle, no trees, fences, shrubs, or other obstructions may exceed 36 inches in height above grade (§ 9.08.040.100(F); § 9.16.040.110(G)).

Use this page together with the City’s zoning map and districts, cross‑check related development standards, and coordinate any parking‑area planting counts with the parking rules.

Citywide structure and standards you’ll see in every zone

  • Water‑efficiency governs when it conflicts with general landscaping rules (§ 9.08.040.060; § 9.12.040.090; § 9.16.040.070). The stated purpose is consistent across zones (§ 9.08.040.040; § 9.12.040.070; § 9.16.040.050).
  • Parkway: the public parkway between curb and sidewalk must be fully landscaped wherever front‑yard landscaping is required (§ 9.08.040.050(D)(2); § 9.12.040.080(D)(2); § 9.16.040.060(D)).
  • Landscape plans must address design quality, drainage/erosion, shade/glare, and solar access; mature trees should be retained where feasible (§ 9.08.040.060(M); § 9.12.040.090(M)).
  • Screening: landscape or walls are used to mitigate negative impacts of parking, activities, storage, and utilities; multi‑family explicitly requires landscaping to screen trash, utilities, and highways/freeways (§ 9.16.040.060(H); § 9.18.120.010(D)(1); § 9.12.040.090(O)(1)).

Decision‑relevant standards at a glance

Topic R-1 (Single-Family) Multiple-Family Residential Office-Prof./Commercial/Industrial Mixed Use Code Reference
Front-yard hardscape max 50% of front setback; parkway landscaped 50% of front setback; parkway landscaped Front setback area must be fully landscaped (parkway included) Not found in source materials § 9.08.040.050(D); § 9.12.040.080(D); § 9.16.040.060(D)
Minimum landscaped percentage 10% of parking areas for nonresidential uses permitted in R‑1 10% of parking areas for nonresidential uses in multi‑family zones 10% of net developable site area for parking areas 10% of net developable site area, excludes required setbacks § 9.08.040.060(B); § 9.12.040.090(B); § 9.16.040.070(B); § 9.18.120.030(A)
Parking‑lot trees 1 tree per 8 spaces 1 tree per 8 spaces 1 tree per 8 spaces Not found in source materials § 9.08.040.060(E)(1); § 9.12.040.090(E)(1); § 9.16.040.070(E)(1)
Street‑frontage trees 1 24‑in box per 20 linear ft (root barrier) Same Same Same § 9.08.040.060(C)(2); § 9.12.040.090(C)(2); § 9.16.040.070(C)(2)
Min planter width 3 ft interior clear 3 ft interior clear 3 ft interior clear Not found in source materials § 9.08.040.060(H); § 9.12.040.090(H); § 9.16.040.070(H)
Tree size mix 40% 24‑in box; 60% 15‑gal Same Same Not found in source materials § 9.08.040.060(F); § 9.12.040.090(F); § 9.16.040.070(F)
Artificial turf Allowed with strict specs; front yard max 75%; ≥25% live plants Allowed with strict specs; front yard max 75%; ≥25% live plants Not found in source materials Allowed; specs partially listed (warranty/install/base) § 9.08.040.060(N)(1)(a)(vii),(ix); § 9.12.040.090(N)(g),(i); § 9.18.120.030(D),(E)(1)–(3)
Vision triangle Max 36 in height within 25 ft triangle at corners Not found in source materials Max 36 in height within 25 ft triangle at corners Not found in source materials § 9.08.040.100(F); § 9.16.040.110(G)
Fence/wall height exceptions See multi‑family: openwork above 7 ft; 8 ft along freeways Openwork above 7 ft; 8 ft along freeways; 8 ft zone‑separation wall; street/alley walls require plantings 8 ft zone separation along commercial/industrial vs R‑zoned; waiver possible if separated by ROW Utilities/school grounds fences exempt from some provisions § 9.12.040.140(8)–(13); § 9.18.130.020

District-by-district rules

R-1 (Single‑Family Residential)

  • Purpose and where it applies
    • Establishes water‑efficient, attractive residential landscapes and sets yard openness/visibility near intersections (§ 9.08.040.040; § 9.08.040.100). Applies to properties zoned R‑1 citywide; coordinate with Garden Grove Zoning.
  • Typical permitted uses
    • Not found in source materials.
  • Key landscaping and screening standards
    • Front yard: maximum 50% hardscape within the front‑yard setback; the parkway must be landscaped (§ 9.08.040.050(D)).
    • All unpaved areas must be planted; landscape must consider screening of parking, storage, and activities on or near the site (§ 9.08.040.050(J); § 9.08.040.060(L)).
    • Parking areas for nonresidential uses allowed in R‑1: at least 10% of parking area landscaped; trees: 1 per 8 spaces; 1 24‑in box tree per 20 ft of street frontage; min planter width 3 ft; 40/60 tree size mix (24‑in box/15‑gal) (§ 9.08.040.060(B),(C),(E)–(H)).
    • Artificial turf in R‑1 allowed with strict conditions: minimum 8‑year no‑fade warranty, cut‑pile infill over porous base with drainage, maintained lawnlike appearance, no rubber infill; at least 25% of landscape area must remain live plants; artificial turf in front yards limited to 75% of required landscape area (§ 9.08.040.060(N)(1)(a)(i)–(ix)).
    • Vision clearance: On corner lots, nothing over 36 in high within the 25‑ft triangle (§ 9.08.040.100(F)).
  • Process and maintenance
    • Changes to approved landscape/irrigation plans require prior hearing‑body approval; no final inspection/occupancy until installed per plans (§ 9.08.040.070).
    • Ongoing maintenance is mandatory; mature removals must be replaced with similar size/maturity; violations can be misdemeanors (§ 9.08.040.080).

Multiple‑Family Residential zones

  • Purpose and where it applies
    • Aligns multi‑family projects with water‑efficient designs and uniform landscape quality (§ 9.12.040.070). Applies to Garden Grove’s multiple‑family residential districts; confirm the mapped designation on the zoning overview.
  • Typical permitted uses
    • Not found in source materials.
  • Key landscaping and screening standards
    • Front yard: maximum 50% hardscape; parkway must be landscaped (§ 9.12.040.080(D)).
    • For nonresidential uses permitted within these zones, at least 10% of parking area is landscaped; trees: 1 per 8 spaces; 1 24‑in box tree per 20 ft street frontage; min planter width 3 ft; 40/60 tree size mix (§ 9.12.040.090(B)–(H)).
    • Groundcover and shrubs: live cover required (mulch substitution up to 30% of groundcover area); 50% of shrubs must be 5‑gal at planting; trees double‑staked; no trees under eaves (§ 9.12.040.090(D),(G)–(J)).
    • Artificial plants prohibited; artificial turf is permitted if it meets warranty/installation/base/drainage/appearance standards; at least 25% of the landscape area must be live plants; artificial turf in front yards limited to 75% of required landscape area (§ 9.12.040.090(N)(a)–(i)).
    • Screening: landscaping must screen storage, trash enclosures, public utilities, freeways/highways, and similar elements (§ 9.12.040.090(O)(1)).
  • Walls, fences, and hedges (selected limits and treatments)
    • Retaining wall with fill can count toward fence height; any portion above 7 ft must be “openwork” (≤60% solid); protective fence up to 36 in permitted on top (§ 9.12.040.140(8)).
    • No wall/fence/hedge over 42 in in open space between facing residential buildings (§ 9.12.040.140(9)).
    • Along freeways: wall/fence up to 8 ft where it does not extend into any front yard (§ 9.12.040.140(10)).
    • Commercial/industrial next to “R”‑zoned: separation wall/fence may be up to 8 ft; may be waived if separated by street/freeway/rail/flood control channel (§ 9.12.040.140(11)–(12)).
    • Any wall/fence facing a street/alley must include vines, low shrubs, or similar landscaping to deter graffiti (§ 9.12.040.140(13)).

Office‑Professional, Commercial, and Industrial zones

  • Purpose and where it applies
    • Creates water‑efficient landscapes and requires full front‑setback landscaping, including parkways (§ 9.16.040.050; § 9.16.040.060(D)). Applies to Garden Grove’s office‑professional, commercial, and industrial districts; verify site zoning on the Zoning map.
  • Typical permitted uses
    • Not found in source materials.
  • Key landscaping and screening standards
    • Minimum landscaped area: at least 10% of the net developable site area for parking areas must be landscaped (excludes setbacks and building footprints); trees: 1 per 8 spaces; 1 24‑in box tree per 20 ft frontage; min planter width 3 ft; 40/60 tree size mix (§ 9.16.040.070(B)–(H)).
    • All unpaved areas must be planted; consider screening to mitigate adverse impacts of parking, storage, or structures (§ 9.16.040.060(H),(J)).
    • Vision clearance: 36 in max height within the 25‑ft corner triangle (§ 9.16.040.110(G)).
    • Where these districts abut R‑zoned property: a zone‑separation wall/fence up to 8 ft may be provided; waiver possible if separated by a right‑of‑way (§ 9.12.040.140(11)–(12)).
  • Process
    • The hearing body may modify requirements or require more landscaping through site plan review to achieve a superior project (§ 9.16.040.060(G)).

Mixed Use zones

  • Purpose and where it applies
    • Enhances the character of development in Mixed Use areas, adds shade/visual quality, and provides attractive open spaces; applies to all Mixed Use zones (§ 9.18.120.010(A),(4)).
  • Typical permitted uses
    • Not found in source materials.
  • Key landscaping and screening standards
    • Minimum landscaped area: at least 10% of the total net developable site area landscaped; required setbacks are excluded from both the numerator and denominator and do not count toward the 10% (§ 9.18.120.030(A)).
    • Paving vs. planting: only areas directly needed for buildings, parking/aisles, refuse, drives, or walks may be paved; all others must be landscaped or receive complementary hardscape/fountains consistent with the chapter (§ 9.18.120.030(B)).
    • Groundcover: live planting required; mulch may substitute up to 30% of groundcover area; artificial plants prohibited, except artificial turf is allowed with specified standards (warranty, manufacturer installation, cut‑pile infill over porous base with drainage; additional criteria may apply) (§ 9.18.120.030(C)–(E)(1)–(3)).
    • Screening: design must mitigate negative impacts of parking, activities, storage, or structures with appropriate screening measures (§ 9.18.120.010(D)(1)).
  • Process and exemptions
    • Modifications to approved landscape/irrigation plans require prior hearing‑body approval; no final occupancy until installed per approved plans (§ 9.18.120.040).
    • Fences required by the State around public utility installations and chain‑link fences enclosing school grounds/playgrounds are exempt from this section’s fence provisions (§ 9.18.130.020).

Information Gaps

  • Maximum fence/wall heights in typical front/side/rear yards (outside of the vision‑triangle, freeway, and zone‑separation situations): Not found in source materials.
  • Mixed Use artificial‑turf criteria beyond warranty/installation/base/drainage: Not fully shown in source materials; additional standards may exist.
  • Detailed screening specifications (e.g., exact heights/opacities for trash enclosures): Multi‑family reference is partial; details not provided in source materials.
  • Which specific multiple‑family and commercial district symbols (e.g., “R‑2,” “C‑N”) apply to a site: Not found in source materials. Verify with the Garden Grove Land Use map and Zoning.

Checklist

  • Confirm the site’s base zoning and any overlay districts; note if it is R‑1, multiple‑family, office‑professional/commercial/industrial, or mixed use.
  • Compute the applicable minimum landscaped area (e.g., 10% of parking areas or net site area as specified) and exclude required setbacks where the code requires (§ 9.08.040.060(B); § 9.12.040.090(B); § 9.16.040.070(B); § 9.18.120.030(A)).
  • Lay out parking‑lot trees: 1 per 8 spaces; street frontage trees: 1 24‑in box per 20 ft; place root barriers; meet the 40/60 size mix (§ 9.08.040.060(C),(E)–(G); § 9.12.040.090(C),(E)–(G); § 9.16.040.070(C),(E)–(G)).
  • Keep minimum planter widths at 3 ft clear and avoid trees under eaves/overhangs; use root barricades in narrow planters (§ 9.08.040.060(D),(H); § 9.12.040.090(D),(H); § 9.16.040.070(D),(H)).
  • In front setbacks, cap hardscape at 50% where applicable; fully landscape the parkway (§ 9.08.040.050(D); § 9.12.040.080(D); § 9.16.040.060(D)).
  • Design screening for trash, utilities, storage, and activity areas; in multi‑family, ensure landscaped screening is provided (§ 9.12.040.090(O)(1); § 9.16.040.060(H); § 9.18.120.010(D)(1)).
  • Honor corner‑lot vision triangles: nothing over 36 in high within the 25‑ft triangle (§ 9.08.040.100(F); § 9.16.040.110(G)).
  • If using artificial turf, meet the zone‑specific criteria and maintain required proportions of live plant material (e.g., ≥25% live; ≤75% turf in front yards in R‑1 and multi‑family) (§ 9.08.040.060(N)(1)(a)(vii),(ix); § 9.12.040.090(N)(g),(i); § 9.18.120.030(E)(1)–(3)).
  • Prepare a landscape plan with existing‑plant inventory and retention program; incorporate solar access, drainage, and glare‑reduction elements (§ 9.08.040.060(M); § 9.12.040.090(M)).
  • Obtain hearing‑body approval for the plan and any later modifications; no final occupancy until installation per the approved plan (§ 9.08.040.070; § 9.18.120.040).
  • For walls/fences along streets/alleys, include vines/low shrubs to deter graffiti (§ 9.12.040.140(13)).

Risks & Ambiguities

Issue Why it matters What to verify
Mixed Use turf standards incomplete Only partial criteria are shown; missing items could affect materials or installation details Confirm full artificial‑turf standards for Mixed Use with Planning (§ 9.18.120.030(E)(1)–(3))
General fence height limits Typical max heights in front/side/rear yards are not stated in the excerpts Verify applicable fence heights for your district; consider variance if needed (§ 9.12.040.140(8)–(13); Variances and Exceptions)
Screening specifics (heights/opacity) Trash and utility screening must perform; incomplete specs risk redesign Ask for standard details/spec sheets used by the hearing body (§ 9.12.040.090(O)(1); § 9.16.040.060(H))
When 10% applies to “site” vs. “parking” Different districts calculate the 10% differently Confirm whether the 10% applies to the net site area or to parking areas in your zone (§ 9.16.040.070(B); § 9.18.120.030(A); § 9.08.040.060(B))
Nonresidential uses in R‑1 or multi‑family Parking landscaping triggers depend on whether nonresidential uses are permitted Confirm the underlying entitlement and which landscaping subsection governs (§ 9.08.040.060(B); § 9.12.040.090(B); Nonconforming Uses)
Corner‑lot constraints vs. desired screening 36‑inch limit in the vision triangle may conflict with privacy screening Adjust planting heights and fence designs near corners (§ 9.08.040.100(F); § 9.16.040.110(G))

Plain-English Summary

Garden Grove requires real, maintained planting in every zone, with front‑yard hardscape capped at 50% in residential areas and the parkway landscaped. Parking lots need trees—one per eight spaces—and big street trees about every 20 feet, with 3‑foot‑wide planters and a balanced mix of tree sizes. Screening is expected for trash and utilities, corner‑lot sightlines must stay low, and artificial turf is allowed only under strict, zone‑specific rules.

Source References

  • § 9.08.040.040 — Landscaping—Purpose
  • § 9.08.040.050 — Landscaping—General Provisions (R‑1)
  • § 9.08.040.060 — Landscaping Requirements (R‑1)
  • § 9.08.040.070 — Landscaping—Compliance (R‑1)
  • § 9.08.040.080 — Landscaping—Maintenance Requirements and Violations
  • § 9.08.040.100 — Walls, Fences and Hedges—Heights and Yards (R‑1)
  • § 9.12.040.070 — Landscaping—Purpose (Multiple‑Family)
  • § 9.12.040.080 — Landscaping—General Provisions (Multiple‑Family)
  • § 9.12.040.090 — Landscaping Requirements (Multiple‑Family)
  • § 9.12.040.140 — Walls/Fences/Hedges—Selected provisions (Multiple‑Family)
  • § 9.16.040.050 — Landscaping—Purpose (Office‑Prof./Commercial/Industrial)
  • § 9.16.040.060 — Landscaping—General Provisions (Office‑Prof./Commercial/Industrial)
  • § 9.16.040.070 — Landscaping Requirements (Office‑Prof./Commercial/Industrial)
  • § 9.16.040.110 — Walls, Fences and Hedges—Heights and Yards (Office‑Prof./Commercial/Industrial)
  • § 9.18.120.010 — Landscaping General Provisions (Mixed Use)
  • § 9.18.120.030 — Landscaping Requirements (Mixed Use)
  • § 9.18.120.040 — Landscaping Compliance (Mixed Use)
  • § 9.18.130.020 — Fences at Public Utility Installations, Schools, and Public Playgrounds

Also see related topics: Garden Grove zoning & planning overview, Garden Grove Development Standards, Garden Grove Parking, Garden Grove Design Review, Garden Grove Overlay Districts, Garden Grove Variances and Exceptions.

Sources

Source passages

  • Garden Grove Zoning Code (§ 9.18.130.020) Medium relevance
  • Garden Grove Zoning Code (§ 9.18.120.010) Medium relevance
  • Garden Grove Zoning Code (§ 9.08.040.060) Medium relevance
  • Garden Grove Zoning Code (§ 9.08.040.040) Medium relevance
  • Garden Grove Zoning Code (§ 9.12.040.070) Medium relevance
  • Garden Grove Zoning Code (§ 9.16.040.110) Medium relevance
  • Garden Grove Zoning Code (§ 9.08.040.100) Medium relevance
  • Garden Grove Zoning Code (§ 9.12.040.090) Medium relevance
  • Garden Grove Zoning Code (§ 9.08.040.070) Medium relevance
  • Garden Grove Zoning Code (§ 9.16.040.050) Medium relevance
  • Garden Grove Zoning Code (§ 9.16.040.060) Medium relevance
  • Garden Grove Zoning Code (§ 9.16.040.070) Medium relevance
  • Garden Grove Zoning Code (§ 9.12.040.080) Medium relevance
  • Garden Grove Zoning Code (§ 9.08.040.050) Medium relevance
  • Garden Grove Zoning Code (§ 9.12.040.140) Medium relevance
  • Garden Grove Zoning Code (§ 9.18.120.040) Medium relevance

Cited sections

Frequently asked questions

What are Garden Grove front-yard landscaping rules in R-1?

Keep front-yard hardscape at or below 50% of the front setback and fully landscape the parkway. All unpaved areas must be planted, and corner-lot sightlines must stay under 36 inches within the 25-foot triangle (§ 9.08.040.050(D); § 9.08.040.100(F)).

How many trees do I need in a Garden Grove parking lot?

Provide one tree per eight parking spaces and one 24-inch box street tree every 20 feet of frontage, with root barriers. Planters must be at least 3 feet wide, and 40% of trees must be 24-inch box with the remainder at least 15 gallons (§ 9.08.040.060(C),(E)–(H); § 9.12.040.090(C),(E)–(H); § 9.16.040.070(C),(E)–(H)).

Do Garden Grove mixed-use projects have a minimum landscaped area?

Yes. At least 10% of the net developable site area must be landscaped, excluding required setbacks (and landscaping inside setbacks does not count toward the 10%). Only areas needed for buildings, parking/aisles, drives, refuse, and walks may be paved (§ 9.18.120.030(A),(B)).

Can I use artificial turf in Garden Grove?

Yes, with strict limits. In R-1 and multi-family zones, artificial turf requires an 8-year no-fade warranty, specific installation over porous base with drainage, must look like a maintained lawn, and at least 25% of the landscape area must remain live plants; front yards may have at most 75% turf (§ 9.08.040.060(N)(1)(a)(i)–(ix); § 9.12.040.090(N)(a)–(i)). Mixed Use allows artificial turf but only some criteria are shown; verify remaining requirements (§ 9.18.120.030(D),(E)(1)–(3)).

What screening is required for trash enclosures and utilities?

Multi-family projects must landscape to screen storage, trash enclosures, public utilities, and freeway/highway edges. All zones must consider screening to mitigate negative impacts from parking, storage, and structures (§ 9.12.040.090(O)(1); § 9.16.040.060(H); § 9.18.120.010(D)(1)).

How high can a fence or wall be near a freeway or between commercial and residential uses?

A wall or fence up to 8 feet may be built along a freeway (not within a front yard). A commercial/industrial property line next to R-zoned property may have a zone-separation wall up to 8 feet; the requirement can be waived where a right-of-way separates uses (§ 9.12.040.140(10)–(12)).

Are walls or fences that face the street required to have landscaping?

Yes. Any wall or fence facing a street or alley must include clinging vines, low shrubs, or similar treatments to deter graffiti (§ 9.12.040.140(13)).

Do I need approval to change an approved landscape plan?

Yes. Any modification to an approved landscape or irrigation plan must be approved by the hearing body before installation, and no final inspection/occupancy is granted until installed per the approved plan (§ 9.08.040.070; § 9.18.120.040).

General information, not legal advice.

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