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Clark County, NV Invasive Plant Rules: Prohibited Species (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified August 2026

Key Facts

Governing section
Title 30 § 30.04.01(D)(2)(ii)
Noxious weed standard
NAC § 555.010 list
Also barred
Trees with invasive root systems
Where checked
Landscape plan/permit review
Applies to
Unincorporated Clark County only

Summary

Clark County's landscaping standards bar any plant on the state noxious weed list and any tree with an invasive root system from required landscaped areas on developed property in unincorporated Clark County.

City-specific rules exist: Las Vegas has its own prohibited species rules that differ from Clark County's county-level regulations. If you live in Las Vegas, check the city-specific page instead.

ii. Prohibited

(a) Any plant listed on the Nevada State Department of Agriculture's noxious weed list per NAC §555.010; and

(b) Trees with invasive root systems.

Source: SNWA Water Smart Plant ListView official code

Full Breakdown

Under Title 30's landscaping standards, required plant material on developed sites must avoid two prohibited categories: any species listed on the Nevada Department of Agriculture's noxious weed list (NAC 555.010), and trees with invasive root systems that can damage hardscape, utilities, or foundations. The rule applies wherever the county mandates landscaping - most commercial, multifamily, and many single-family developments - and is checked when a landscape plan is submitted for permit or site plan review.

Violations & Fines

Landscape plans proposing a listed noxious weed or an invasive-root-system tree get rejected at plan review; installing prohibited species after approval can draw a code enforcement notice requiring removal and replacement with compliant plant material.

Frequently Asked Questions

What plants are prohibited in Clark County landscaping?
Any species on the Nevada Department of Agriculture noxious weed list (NAC 555.010) and any tree species with an invasive root system.
Does this rule apply on the Las Vegas Strip?
Yes - the Strip resorts sit in unincorporated Paradise and Winchester townships, so this Title 30 standard governs their landscaping.

Sources & Official References

Other rules in Clark County

All Clark County rules

Compare Clark County to another location·View the Nevada invasive plant rules overview

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Prohibited Species in Cities Across Clark County