Posted: 30/01/2015 at 16:50
I have a wine grapevine growing up and across the outside of my lounge, which gets the sun all day.
I think you can plant it in the greenhouse or you can plant it outside but train it into the greenhouse through an empty panel.
Monty Don grows his in a greenhouse and its trained around it. If last years GW is available on iplayer, it might help you make your decision.