Making your own containers allows you to control their size, shape, and color. Make sure the container has a drainage hole. Found objects can make unique accents.
Simplicity is often the key to a great design.
The pots and troughs that hold your outdoor plants can be uniquely yours. Remove any chunks of peat moss. When the mixture is uniform, add one part cement. Add water until the mixture has the consistency of wet mud. Line the mold with a piece of plastic.