Well Smoke'n'Toke,

I'm not in the UK and don't ever really want to visit either but I could share my two cents with ya.

Questions one and two yes you could do that. I would prepare the site, germinate seeds in a cup of water and then relocate outdoors once they have broken open. Question number three should be answered by a local farmer who knows your climate and environment.

But what do I know?
Loco