Frostline.info

Frost line depth in Arkansas

Estimated frost depth in typical soil runs from 8″ to 21″ across Arkansas's 75 counties. Pick your county or enter a ZIP code for a local estimate.

Deepest frost

  1. Benton County 21″
  2. Carroll County 20″
  3. Fulton County 20″
  4. Washington County 20″
  5. Baxter County 19″

Mildest

  1. Miller County 8″
  2. Little River County 9″
  3. Columbia County 9″
  4. Ashley County 9″
  5. Lafayette County 9″

Frost depth by county

CountyEst. frost (typical soil)Typical code range
Arkansas County13″12–18″
Ashley County9″12–18″
Baxter County19″18–24″
Benton County21″18–30″
Boone County19″18–24″
Bradley County10″12–18″
Calhoun County10″12–18″
Carroll County20″18–24″
Chicot County10″12–18″
Clark County11″12–18″
Clay County19″18–24″
Cleburne County15″12–24″
Cleveland County11″12–18″
Columbia County9″12–18″
Conway County12″12–18″
Craighead County19″18–24″
Crawford County16″12–24″
Crittenden County14″12–18″
Cross County16″12–24″
Dallas County10″12–18″
Desha County10″12–18″
Drew County10″12–18″
Faulkner County12″12–18″
Franklin County14″12–18″
Fulton County20″18–24″
Garland County12″12–18″
Grant County11″12–18″
Greene County18″18–24″
Hempstead County10″12–18″
Hot Spring County11″12–18″
Howard County10″12–18″
Independence County17″12–24″
Izard County17″18–24″
Jackson County18″18–24″
Jefferson County12″12–18″
Johnson County13″12–18″
Lafayette County9″12–18″
Lawrence County18″18–24″
Lee County14″12–18″
Lincoln County11″12–18″
Little River County9″12–18″
Logan County13″12–18″
Lonoke County13″12–18″
Madison County19″18–24″
Marion County19″18–24″
Miller County8″12–18″
Mississippi County18″18–24″
Monroe County15″12–18″
Montgomery County14″12–18″
Nevada County10″12–18″
Newton County17″18–24″
Ouachita County9″12–18″
Perry County13″12–18″
Phillips County15″12–18″
Pike County12″12–18″
Poinsett County18″18–24″
Polk County12″12–18″
Pope County14″12–18″
Prairie County14″12–18″
Pulaski County12″12–18″
Randolph County19″18–24″
Saline County11″12–18″
Scott County12″12–18″
Searcy County16″12–24″
Sebastian County15″12–18″
Sevier County9″12–18″
Sharp County18″18–24″
St. Francis County14″12–18″
Stone County17″18–24″
Union County9″12–18″
Van Buren County15″12–18″
Washington County20″18–24″
White County14″12–18″
Woodruff County16″12–24″
Yell County15″12–18″

Common questions

What is the frost line depth in Arkansas?

It ranges from about 8 inches in the mildest county to 21 inches in the coldest, in typical soil.

Which Arkansas county has the deepest frost?

Benton County, at about 21 inches in typical soil.