Biyuwolf ~ I am not sure what zone you are in and that has some bearing on what plants are grown.
In my experience, herbs do well in containers. I would suggest researching and growing the types of herbs you prefer, be it edible or medicinal or simply ornamental. You could also surround container tomato plants with basils which are compatible with the tomatoes as well as useful.
Containers can be planted fairly closely as you will be controlling the nutrients as well as moisture.
For edibles, look for smaller plant cultivars. If you plant a climber like a cucumber or indeterminate cherry tomato, you might also consider a trellis for them to climb on. I have used inverted tomato cages, pulling the legs together at the top for container vines to grow on.
Your seed/plant selection will depend primarily on the types of edibles you like. A few cultivars I've tried are below.
cucumber ~ Spacemaster, Little Leaf
tomatoes ~ Florida Everglades, Porter, Gardeners' Delight
eggplant ~ Ravayya
squash ~ Peter Pan
okra ~ Lee
onions ~ Egyptian walking
I have been researching and gathering seeds that will be used for the next growing season. I will be planting mostly in raised beds but am selecting small (dwarf) plants because I will be using a limited amount of space. If you are interested in some of the new cultivar names that I will be trying, I will post the list here.
There are many gardening and educational sites that discuss container gardening.
