I have posted pictures of this before but I can never resist taking more! I was talking to someone last weekend who like me had grown theirs from Chiltern's seed back in the 1980's I waited about 15 years for flowers - he is still waiting!! Macfadyena unguis-cati001 by charliepridham, on Flickr Macfedyena unguis-cati002 by charliepridham, on Flickr
I have tried this outside and whilst it didn't actually die it didn't do much either, its a bit of a pain when the long bean like seed pods split so it has to be tidied at the end of summer to remove them.
When I first posted pictures back in 2009 several people had it flowering outside, have any survived the two cold winters?
Really like that. Shame it is not more hardy. Looks like we are going to have a 8m long south facing trellis to cover, so going to need to find something suitable.