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Commissioners tweak buffers, set wall/landscape standards and require LDRC follow‑up
Summary
The board endorsed changes to buffer and landscaping rules, raised and clarified requirements for buffer walls, berms, and shrub heights, and directed staff to codify when walls are required for projects adjacent to arterial/collector roads in the county’s long‑range plan or TIP.
Marion County commissioners discussed and approved multiple landscaping and buffer changes in the Land Development Code, including yard‑tree minimums for new single‑family and duplex lots, cleaning up buffer tables and clarifying when a wall may be required along major roads.
Staff proposed a cleanup of landscaping language, a Marion County 'recommended' tree list based on UF/IFAS guidance and clarified that the list is not prescriptive. The board adopted language reverting buffer shrub minimums to a minimum 18‑inch height within one year for many applications (staff had proposed 30 inches), and affirmed that ground covers should reach specified opacity and not exceed a 24‑inch mature height when used in buffers.
A central discussion focused on whether arterial and collector roads (as identified on the county’s classified‑road map or TIP) should require an engineered buffer wall or permit a berm plus shorter wall. Commissioners asked staff to use existing TIP and long‑range planning maps to identify where walls may be appropriate so the code requirement does not conflict with future right‑of‑way acquisition. The board discussed practical design combinations (berm plus wall) and the expense of engineered walls; commissioners acknowledged PUD negotiations could alter site‑specific treatment, but several members argued an in‑code standard is necessary to ensure long‑term quality.
The board approved the landscape and buffer changes as part of the overall package and set Division 7 to return on July 8 to allow staff and LDRC to refine the tree‑credit mechanics and buffer‑wall language.
The packet of changes includes: two shade trees per single‑family/duplex lot (one front yard, one large species), removal of a duplicative shared‑buffer clause, clarifications that buffer plans may be sealed by a registered landscape architect, and language encouraging the use of existing natural vegetation for buffer requirements when appropriate.
The board’s action preserves the requirement that mandatory buffers and yard‑tree minimums remain in force even when preservation credits are earned. Staff will return to LDRC with revised materials and examples before the July 8 board continuation.
