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Harris County, TX Landscaping Rules: Native Plants (2026)

Few Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

County Requirement
None for native plants
HOA Restrictions
Limited by TX Property Code
Xeriscaping
Protected by state law
Commercial Sites
Landscaping required (no native %)

Summary

Harris County has no native plant requirements for residential landscaping in unincorporated areas. No xeriscaping mandates or native plant percentage requirements exist. Texas Property Code §202.007 protects homeowners' right to use drought-resistant landscaping against HOA restrictions.

City-specific rules exist: Humble, Deer Park, La Porte, Bellaire, and Houston have their own native plants rules that differ from Harris County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

Sec. 202.007. CERTAIN RESTRICTIVE COVENANTS PROHIBITED. (a) A property owners' association may not include or enforce a provision in a dedicatory instrument that prohibits or restricts a property owner from:(1) implementing measures promoting solid-waste composting of vegetation, including grass clippings, leaves, or brush, or leaving grass clippings uncollected on grass;(2) installing rain barrels or a rainwater harvesting system;(3) implementing efficient irrigation systems, including underground drip or other drip systems; or(4) using drought-resistant landscaping or water-conserving natural turf.(b) A provision that violates Subsection (a) is void.

Source: TX Property Code §202.007 (Water-Conserving Landscaping)View official code

Full Breakdown

Unincorporated Harris County has no ordinance requiring native plants or specific landscaping materials for residential properties. The county has no zoning-based landscape requirements for single-family homes. Texas Property Code §202.007 prohibits HOAs from restricting water-conserving landscaping and natural turf, including native plant gardens. Harris County's infrastructure regulations require landscaping for commercial development sites but impose no native plant percentages. The Houston-Galveston Area Council promotes native plant use through educational programs but has no enforcement authority.

Frequently Asked Questions

Can I replace my lawn with native plants in Harris County?
Yes. Harris County has no restrictions on native plant landscaping. Texas law also protects homeowners from HOA restrictions on water-conserving and drought-resistant landscaping.
Can my HOA require me to maintain a traditional lawn?
HOAs are limited by Texas Property Code §202.007, which protects water-conserving landscaping. They cannot require high-water-use turf if you prefer native or drought-resistant alternatives.

Sources & Official References

Other rules in Harris County

All Harris County rules

Texas rules heatmap·Compare Harris County to another location·View the Texas landscaping rules overview

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