Droooooool........ can only dream of those things in Melbourne.....
If I had your weather, I'd be putting in Black Saopte, Rambutan, Soursop, Custard Apple, and a Jaboticaba just for show! :D
Cheers,
The Y-man
My thoughts would be that where GG is, Avo's would struggle - my guess that climate wouldn't be much warmer than Hobart (correct me if I am wrong GG but you'll have pretty heavy frosts in winter yes?).
Any fruit tree will take 3-6 years to get to production, but stonefruits would do well in...