Circumneutral is a descriptor for soils which have a pH that is close to neutral. Circumneutral soils have a pH between 6.5 and 7.5.[1]
A soil’s pH affects whether minerals dissolve in the soil and how quickly they dissolve. This causes circumneutral soils to have unique chemical qualities.[2]
Certain species prefer or only grow in circumneutral soils.[3]