After having obtained the prestigious 'Chelsea 2011 Plant of the Year' award I have had my fingers crossed hoping to see WS on this side of the pond...sooner rather than later.
http://www.elizabethmacgregornursery.co.uk/content.php?id=119
And it seems that maybe this is the season that we will see it in North American gardens as Monrovia shows it on their site:
http://www.monrovia.com/plant-catalog/plants/3283/wild-swan-hybrid-anemo...
What do you think?