If you plan to use raised garden beds in your yards, maybe you are wondering what you can put on a bottom. This is because the whole structure depends on the best drainage. It is okay to use well-drained soil, but all the moisture has to go somewhere. Typically, the versatility of the raised garden beds makes gardening accessible to everyone, irrespective of whether you have the garden or not. You can use these raised beds almost anywhere if set up correctly.