The areas in Florida have many lakes and ponds. Local relief is a few meters. Average annual precipitation -1,325 to 1,625 mm. May. Maximum precipitation is in summer. The abundant rainfall and the many perennial streams are important sources of water.
Ground water is plentiful but is affected by salt in many places near the coast.
The dominant soils are Aquults, Aquepts, and Aquods. They have a thermic temperature regime and an aquic moisture regime. They are sandy and poorly drained or very poorly drained. Humaquepts have a dark surface layer. Chalky bluestem, indiangrass, and several panicum species make up the understory.