Many gardeners choose to raise their potted plants in organic potting soil in an effort to reduce their dependence on various chemicals. While you can purchase organic potting soil in many garden stores, save money by making your own organic mix at home. Combine various gardening elements to create a rich, well-draining medium that can keep your container garden growing lush and green.
Measure out equal parts of garden topsoil, compost and sand, vermiculite or perlite.
Sterilize the garden topsoil to avoid introducing insect pests or plant diseases into your homemade potting mix. Preheat an oven to 180 degrees F. Pour the soil into a baking pan and cover it with foil. Bake the soil for 30 minutes.
Combine the sterilized soil with the compost.
Add the perlite, sand or vermiculite to improve the potting mix's drainage. Mix it thoroughly into the compost-and-soil combination.