[Arid_gardener] Question from Home-Hort WWW page

[steveazroses at yahoo.com]

Steve Sheard
85284
steveazroses at yahoo.com

Pears in PHX Area.
Western Garden book shows Flordahome, Hood, Kieffer & Orient as being suitable for the PHX area - Zone 13.
Which is the most popular?
Why might one select one over another?
Why is Flordahome polinated with Hood & vice versa? Do we need to plant one of each?
Regards
Steve