Posted: 07/09/2014 at 13:46
Hello - I phoned in to my local gardening radio show with this very question last year! I was advised to move it just after flowering. If it has buds forming on it now for next year then I'd probably avoid moving it in case the shock upsets the buds. If you don't mind risking losing the flowers for next year then you could move it now.
Beautiful plants. Don't forget the ericasious (terrible spelling!) compost.