Greenwich loam, in a cultivated field. Some pedons have a thin subhorizon of sandy clay loam. They commonly contain thin loamy sand or sandy loam lamellae less than 1 inch thick, with cumulative thickness less than 6 inches. Large areas have been developed for urban and residential uses.
Native vegetation includes mixed hardwoods and pine.
The Greenwich series was originally established in Calvert County, Maryland, 1942. It was made inactive in 1957 and the soils combined with the Sassafras series in Maryland and Delaware. The series was reactivated in 1992 in Sussex County, DE because of important differences in use and management.