Provided that you can provide enough water, tomatoes are not difficult to grow in summer. Just go to your local garden center and buy some varieties that look like you would want to eat them. If your weather is above 85 degrees, most tomatoes will flower but not set fruit. Find a variety that sets fruit in hot weather — perhaps something like HEATWAVE.
Several other questions address how to make inexpensive cages, pruning, and upside down potting.
