Creating a container garden is quite simple. You can grow most varieties of herbs and vegetables in pots or other containers. Some types will be too large for container gardening, but you can often find dwarf varieties of your favorites.
You will need to choose a container that has holes in the bottom for drainage. To find the right size, look up the approximate depth of the roots of the plant you wish to grow, and get a container that is 4-6 inches deeper than that.
Use a good quality potting soil or organic compost as your potting material. You can place some large gravel or broken pottery pieces in the bottom to help prevent soil from spilling out the bottom and aid in drainage.