Best Soil for Gardening in Oklahoma

Oklahoma has 77 USDA soil survey areas, and they vary considerably in how friendly the ground is for growing things. We ranked every survey area by the percentage of well-drained soil — the single most important soil property for most garden plants.

At the top, Murray County, Oklahoma has 99% well-drained soils — conditions where most vegetables, herbs, and flowers can thrive with basic soil preparation. At the other end, Ottawa County, Oklahoma comes in at 22%, meaning more of the landscape has drainage challenges that may require raised beds, soil amendments, or careful site selection for a productive garden.

Remember that these are area-wide averages. Even in a low-ranking survey area, individual properties can have excellent garden soil. Look up your specific address for exact conditions.

See also: national gardening soil rankings | Oklahoma drainage rankings | all Oklahoma survey areas