Use correct soil mixtures for container gardening if you’re using soil purchased from the store, be sure it’s. Or, just as easily, cover the hole with tape while planting, but remember to remove the tape so you can have good drainage. Plants with shallow root systems, like succulents, can be kept in smaller containers with no issue. Create a layer of gravel at the base. It is a lightweight, extremely porous material made by applying heat to volcanic silicate rocks at temperatures north of 1500°f.