No one can really give you good information without knowing where you
are in the world, what the soil is like, amount of sun, amount of care you're
willing to put forth, etc.

Were you in the midwestern US, I'd remind you that the Osage Orange was
traditionally considered to be "head high and hog tight" as a hedge.
http://chestofbooks.com/gardening-ho...Continued.html

Kay