I have a nearby neighbor who is a brewer at one of our small breweries and he's had these hops growing on the side of his yard for many years. I walk by them often, but never see him around. Three years ago, I was having a little campfire in my backyard (drinking some homebrew) and decided to just go snip off a shoot. I planted it and it grew some the first year, more last year, and is now growing so well I will need a new support system. I've just been using twine, so far.