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Watsonville, CA Landscaping Rules: Native Plants (2026)

Significant Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified October 2026

Key Facts

Where it applies
Coastal Zone Zones A through E and R, nonagricultural development
Plant palette
Only native species indigenous to the immediate surrounding area
Named invasives
Acacia, pampas grass and scotch broom
Screening
Vegetation fronting structures visible from Highway One
Habitat setback
100 feet from environmentally sensitive habitat, planted with natives
Irrigation
Installed or drip system designed to avoid runoff and overspray

Summary

In the City of Watsonville, California, nonagricultural development in Coastal Zone Areas A through E and R must landscape every area not covered by structures with only native plant species indigenous to the surrounding area. The landscape plan must keep out invasive non-natives such as acacia, pampas grass and scotch broom.

(vii) All nonagricultural development shall include landscaping (for all areas not covered with structures) with only native plant species characteristic or indigenous to the immediate surrounding area that evoke the sense of rolling rural area. Such landscaping shall include a mix of natives grasses, shrubs, and trees coordinated with, and complementary to, building design, and consistent with a transition to the natural landform. ... (b) landscaping will be kept free of weeds and invasive non-natives (such as acacia pampas grass, and scotch broom) and shall require the removal of any such invasive non-natives that are already present on the site;

Full Breakdown

Section 9-5.705(g)(3)(vii) of the Watsonville Municipal Code is a native-plant mandate, not a landscaping allowance, and it applies inside the Coastal Zone District of the City of Watsonville, California, in Santa Cruz County. Under 9-5.705(g), all approved development applications in Zones A through E inclusive and R are subject to performance standards, findings and conditions needed to conform with the Chapter II policies of the certified Watsonville Coastal Land Use Plan. The landscaping paragraph falls under the Coastal Visual Resources policy and requires all nonagricultural development to landscape every area not covered with structures using only native plant species characteristic or indigenous to the immediate surrounding area.

The planting must include a mix of native grasses, shrubs, and trees coordinated with building design, and all landscaping must provide screening vegetation fronting any structures visible from Highway One and other coastal zone roads. The requirements are carried out through a landscape plan that must specify three things. First, all plantings are maintained in good growing conditions throughout the life of the project and replaced whenever necessary. Second, landscaping stays free of weeds and invasive non-natives, with acacia, pampas grass and scotch broom named, and any such plants already on the site removed.

Third, all landscaping gets an adequate, permanent and nearby water source applied by an installed irrigation system or, where feasible, drip irrigation, designed to avoid runoff, overspray and low head drainage onto adjacent property, walks, roadways or structures. A companion rule in 9-5.705(f)(4) sets a minimum 100 foot setback from environmentally sensitive habitat areas and calls for native trees, shrubs and grasses in that setback under a plan prepared by a qualified wetland biologist, with native riparian species next to running water. Section 9-5.701 states the district's purpose as protecting resources, sensitive habitats and agricultural uses.

Violations & Fines

The native-plant requirement is a condition of the coastal development approval, so failing to plant, maintain or replace natives as the landscape plan specifies is a violation of the Code. Section 1-2.01 makes a Code violation an infraction punishable by a fine of not more than $500, rising to a misdemeanor on a repeat within six months, and treats each day as a separate offense. Section 1-2.08 allows a civil penalty not to exceed $2,500 for each violation.

Frequently Asked Questions

Does Watsonville require native plants in every yard?
No. Section 9-5.705(g)(3)(vii) applies to nonagricultural development in the Coastal Zone District, specifically Zones A through E inclusive and R. Those areas are identified in the City's Coastal Land Use Plan under 9-5.702. The requirement is tied to development approvals in those zones, not to every residential lot in the City of Watsonville.
Which invasive plants does the code name?
Section 9-5.705(g)(3)(vii) names acacia, pampas grass and scotch broom as invasive non-natives. The landscape plan must keep landscaping free of weeds and invasive non-natives and must require removal of any invasives already present on the site. Plantings also have to be maintained in good growing condition for the life of the project and replaced when necessary.
Must the plants screen the building from Highway One?
Yes. The same paragraph requires all landscaping to provide screening vegetation fronting any structures that are visible from Highway One and other coastal zone roads. It also calls for a mix of native grasses, shrubs, and trees coordinated with the building design and consistent with a transition to the natural landform.
How must the native landscaping be watered?
The landscape plan must give all landscaping an adequate, permanent and nearby source of water applied by an installed irrigation system or, where feasible, a drip irrigation system. The system has to be designed to avoid runoff, overspray, low head drainage, or similar conditions where water flows onto adjacent property, nonirrigated areas, walks, roadways or structures.

Sources & Official References

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