Most plants like full sun, but Im not so sure about full ARIZONA sun. By training muscadines to grow up a tree, they reach for the sun-- so it should be a small tree. My pecans are 150 ft, so I guess that might be too much 'reaching for the sun' for muscadines.
Here's a gardener from your part of the world -- Southern Arizona.
http://www.drweil.com/drw/u/AR...
