Landscaping Rules in Williamson County, TN (2026)
2 county-level rules, plus city-specific rules for 1 city in Williamson County, Tennessee.
Verified from official government sources
Tree Removal & Heritage Trees
Williamson County's Zoning Ordinance bars clearing land on a proposed development site until the project is approved, and Section 13.07 requires a licensed professional's tree inventory before any clearing begins. Sites with 10,000+ square feet of existing canopy must retain a set share of it, and illegal removal triggers mandatory replanting. Applies only in the unincorporated county.
Williamson County Tree Removal & Canopy Rules
Some RestrictionsWilliamson County, TN Zoning Ordinance § 13.07(A), (C)(2)f)
(A) APPLICABILITY: The standards of this Section shall apply to all development in the County, unless it is exempted in accordance with Section 13.07:(B): Exemptions. (1) Removal of existing vegetation shall not occur on a proposed development site until such time as the development has been approved. ... f) Removal of Protected Tree Canopy: In cases where tree clearing, development work, land ...
Native Plants
Williamson County's landscaping ordinance requires at least 40 percent of all required landscaping or bufferyard vegetation to be native and/or drought-tolerant, drawn from a list the Community Development Department maintains. Section 15.03 also sets nursery-stock quality standards and caps how much of a single species can dominate new plantings, applying to unincorporated development.
Williamson County Native & Drought-Tolerant Plant Rule
Some RestrictionsWilliamson County, TN Zoning Ordinance § 15.03(B)-(E)
(B) PLANTING STANDARDS: All plants utilized in the fulfillment of the requirements of this Article shall meet the following requirements: (1) Plants installed shall meet the standards for size, form, and quality set out in the American Standard for Nursery Stock (ANSI Z60.1, latest edition); and (2) Vegetation shall comply with the minimum size requirements established in Table 15.03-1: Minimum...
Landscaping Rules by City in Williamson County
1 cities in Williamson County have their own landscaping rules rules. Each link goes to that city's dedicated page with code citations.
All Williamson County ordinances
See every category we cover for Williamson County: parking, noise, fences, fires, animals, pools, and more.
Williamson County Ordinance Hub →