This is one of my favourite flowering vine. It's well behaved in our Zone 7b-8a, and has survived three winters outside so far. The lowest temperature we have got to in our area during those winters was -10C. It is well mulched. Vines with green wood dies down, but the woody vines seem to survive the call and sprout new vines in the spring.
Mario, I bought the seeds in a local nursery as part of a package which contained seeds of 5 other climbing plants.
