Landscaping Rules in Harrison County, MS (2026)
3 rules for unincorporated Harrison County, Mississippi.
Verified from official government sources
Tree Removal & Heritage Trees
Unincorporated Harrison County's Unified Development Code protects trees through its Landscaping Standards at UDC § 828. Developers must submit a Landscape Plan before a Certificate of Occupancy issues, and the Harrison County Code Office administers a Tree Preservation Credit letting builders keep existing trees on-site by trading them for reduced parking requirements, with larger preserved trees counting double toward planting totals.
Harrison County Tree Preservation & Landscaping Rules
Some RestrictionsHarrison County Unified Development Code, Art. VIII, § 828.06 (Tree Preservation Credit) (as amended through Dec. 12, 2022)
Tree Preservation Credit To preserve a protected tree on-site, the Administrator may authorize up to a ten percent reduction in the required number of parking spaces or ten percent compact parking spaces, through the Administrative Modifications process, if the Administrator determines that reduction in the number or size of certain parking spaces could preserve a protected tree that would othe...
Weed Ordinances
Harrison County does not set a general lawn-height limit, but any landscaping installed to satisfy the Unified Development Code's buffer, parking-lot or frontage requirements must be kept weed- and litter-free year-round.
Harrison County Required Landscape Weed Rule
Light RestrictionsHarrison County Unified Development Code, Art. VIII, § 828.09(c) (as amended through Dec. 12, 2022)
Ongoing maintenance of all landscaping is the responsibility of the property owner(s). The owner, property manager, tenant and their agent, if any, shall be jointly responsible for the maintenance of all required landscaping. All required landscaping shall be maintained in a healthy and growing condition as is appropriate for the current season. This shall include mowing, edging, pruning, ferti...
Native Plants
Single-family lots in unincorporated Harrison County must have at least three one-inch caliper trees, but the code lets homeowners count an existing native tree of three inches or more toward that count instead of planting new stock.
Harrison County Native Tree Credit for Homes
Light RestrictionsHarrison County Unified Development Code, Art. VIII, § 828.10(b) (as amended through Dec. 12, 2022)
b. The planting of fruit and nut trees is encouraged, because of their importance in regard to local food access. Additionally, the keeping of quality existing native trees with a caliper of three (3) inches or more. One (1) fruit or nut tree or each existing tree will count as two (2) trees toward the required three (3), leaving only one remaining tree to be planted. Recommended fruit and nut ...
All Harrison County ordinances
See every category we cover for Harrison County: parking, noise, fences, fires, animals, pools, and more.
Harrison County Ordinance Hub →