Gnosis, for the move thing only use the first tag , the end tag one isn't necessary :P
10b would be southern Florida and Hawaii so places south of that, but still tropical would be even higher, this website (http://planthardiness.ars.usda.gov/PHZMWeb/#) has a scale
It never occurred to me that this was a US centric thing, what do other countries use? There must be some temperate areas of Brazil in the southern tip, right?
Welcome to STS!
I'm only in 9a. :( I'm insanely jealous...
Thanks all, just posted some garden pics in another thread. I have some pm's that I'm still unable to reply to. I guess I'll just have to be more active. ;)