Frostline.info

Frost line depth in Florida

Estimated frost depth in typical soil runs from 0″ to 6″ across Florida's 67 counties. Pick your county or enter a ZIP code for a local estimate.

Deepest frost

  1. Okaloosa County 6″
  2. Walton County 5″
  3. Jackson County 5″
  4. Holmes County 5″
  5. Santa Rosa County 5″

Mildest

  1. Volusia County 0″
  2. Sumter County 0″
  3. St. Lucie County 0″
  4. Seminole County 0″
  5. Sarasota County 0″

Frost depth by county

CountyEst. frost (typical soil)Typical code range
Alachua County1″12″ minimum
Baker County3″12″ minimum
Bay County5″12–18″
Bradford County2″12″ minimum
Brevard County0″12″ minimum
Broward County0″12″ minimum
Calhoun County5″12–18″
Charlotte County0″12″ minimum
Citrus County0″12″ minimum
Clay County2″12″ minimum
Collier County0″12″ minimum
Columbia County3″12″ minimum
DeSoto County0″12″ minimum
Dixie County3″12″ minimum
Duval County2″12″ minimum
Escambia County5″12–18″
Flagler County0″12″ minimum
Franklin County3″12″ minimum
Gadsden County4″12–18″
Gilchrist County2″12″ minimum
Glades County0″12″ minimum
Gulf County4″12″ minimum
Hamilton County4″12″ minimum
Hardee County0″12″ minimum
Hendry County0″12″ minimum
Hernando County0″12″ minimum
Highlands County0″12″ minimum
Hillsborough County0″12″ minimum
Holmes County5″12–18″
Indian River County0″12″ minimum
Jackson County5″12–18″
Jefferson County5″12–18″
Lafayette County4″12″ minimum
Lake County0″12″ minimum
Lee County0″12″ minimum
Leon County4″12–18″
Levy County1″12″ minimum
Liberty County4″12–18″
Madison County4″12″ minimum
Manatee County0″12″ minimum
Marion County1″12″ minimum
Martin County0″12″ minimum
Miami-Dade County0″12″ minimum
Monroe County0″12″ minimum
Nassau County3″12″ minimum
Okaloosa County6″12–18″
Okeechobee County0″12″ minimum
Orange County0″12″ minimum
Osceola County0″12″ minimum
Palm Beach County0″12″ minimum
Pasco County0″12″ minimum
Pinellas County0″12″ minimum
Polk County0″12″ minimum
Putnam County1″12″ minimum
Santa Rosa County5″12–18″
Sarasota County0″12″ minimum
Seminole County0″12″ minimum
St. Johns County2″12″ minimum
St. Lucie County0″12″ minimum
Sumter County0″12″ minimum
Suwannee County4″12″ minimum
Taylor County3″12″ minimum
Union County3″12″ minimum
Volusia County0″12″ minimum
Wakulla County4″12″ minimum
Walton County5″12–18″
Washington County5″12–18″

Common questions

What is the frost line depth in Florida?

It ranges from about 0 inches in the mildest county to 6 inches in the coldest, in typical soil.

Which Florida county has the deepest frost?

Okaloosa County, at about 6 inches in typical soil.