Charleston County does not require or ban native-plant landscaping on single-family lots. Its ZLDR landscaping and buffer standards for larger developments favor tree preservation and appropriate plantings, and native, salt-tolerant Lowcountry species are strongly encouraged for coastal and stormwater benefits.
For a typical homeowner in unincorporated Charleston County there is no mandate to plant natives and no prohibition on ornamentals. Where landscaping is regulated it is through the ZLDR's landscaping, buffer and tree-protection standards that apply to non-single-family and new development, which emphasize preserving existing protected trees and installing screening and buffer plantings. Native and salt-tolerant species (live oak, palmetto, wax myrtle, native grasses) are encouraged because they tolerate the coastal climate, reduce irrigation, and support stormwater and dune stability on the barrier islands. Homeowners remain free to landscape as they like, provided protected trees are preserved and overgrowth stays within the nuisance limits.
No penalty for plant choice on a single-family lot. Development-scale landscaping/buffer requirements are enforced by Zoning & Planning through the site-plan and permit process.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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See how North Charleston's native plants rules stack up against other locations.
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