First, can blueberries grow in Arizona? How much heat and water can they take? Do you have a chart?
Growing Blueberries in Central Arizona
The following article, along with the ones listed at the end of this one should help: https://www.gardeningknowhow.com/edible/fruits/blueberries/growing-blueberry.htm
This article also has useful information: http://www.hgtv.com/landscaping/growing-blueberries/index.html