Here where I live in the South (USA), wisteria is mostly a weed. A very pretty weed, of course. It spreads like crazy. It grows all over the place, on the sides of roads and in untended places. This summer, driving down the interstate, you could see purple wisteria covering trees alongside the road all over the place! It was growing in our backyard, draped over the shrubs and "taking over"! Like you said, when it's cut down to the ground, it just comes back.
That being said, I don't know about propagation. Hope you figure that out.