USDA Soil Order

Ultisols

Strongly leached, acidic soils with a clay-enriched subsoil. Older and more weathered than Alfisols, they are common in the warm, humid Southeast.

Strong clay accumulationAcidic pHLow base saturationRed/yellow colors from iron oxides

Distribution: Southeastern US, from Virginia to east Texas.

Interactive choropleth map coming soon.

Will show counties where Ultisols is the dominant soil order.

Counties with Ultisols as Dominant Order(105)

Showing 50 of 105 counties.