You can grow what you set your mind to. This guy for example added a couple feet of wood chips to his desert lot. The wood chips soak up the moisture and retain it a lot better then the local ground. He planted a plethora of exotic fruit trees and all kinds of vegetables making a aquaculture and an aquaculture garden he can gather food in daily.

This guy has the most popular gardening channel on YouTube. He loves adding compost, worm castings and rock dust to grow all kinds of food in many different locations. He is very video friendly and has hundreds of videos on the topic as well as garden tours of how lots of other people are doing it too.