Don't you have a lot of citrus groves around that area; like grapefruit, lemon, lime, oranges and tangerine?
"There are thousands of orange, lemon, and grapefruit trees in the Tucson area with citrus products that go to waste each year." >> http://www.kold.com/Global/story.asp?s=11959811&clienttype=printable
I have heard that honey from some of the Acacia trees is very good; doesn't granulate. >> http://www.delange.org/XeriscapeT1/XT1.htm
I don't know if they produce nectar or pollen but here's some: >> http://wc.pima.edu/Bfiero/tucsonecology/plants/trees.htm
"There are thousands of orange, lemon, and grapefruit trees in the Tucson area with citrus products that go to waste each year." >> http://www.kold.com/Global/story.asp?s=11959811&clienttype=printable
I have heard that honey from some of the Acacia trees is very good; doesn't granulate. >> http://www.delange.org/XeriscapeT1/XT1.htm
I don't know if they produce nectar or pollen but here's some: >> http://wc.pima.edu/Bfiero/tucsonecology/plants/trees.htm