Check my answer under your first question, Michael.

I think you're worrying too much Michael - in ten years' time, your plant may be pretty big, but that's not a reason not to plant it. It's not particularly invasive, doesn't go for miles like Russian Vine, has lovely shiny evergreen leaves and produces fragrant flowers, and you won't need to fight your way into your garden with a machete. Blimey, we could all be dead before ten years is up anyway...

Michael, as you are receiving the young plants late in the season I think your main concern is whether they will survive the winter. I would pot them on lightly, and protect them in a cool greenhouse or concervatory. Plant them out next year when late frosts are over.

I've actually found them to be a bit slow to start off and they're in the supposed 'ideal position'.
They're definately hardy, we had an unheard of minus 12 here last winter and this plant didn't even shed a leaf !