It keeps more or less to its' original root (spreads a bit, but not much).
However, make sure you've got a strong fence 'cos it may get picked up and
moved with the spreading vine.
A friend of mine grew one up a factory wall at the bottom of her garden, and
it wasn't long before the buildings owners were getting on her case because
the plant had actually burst through the mortar, and into their building!
I took one out two years ago as having covered the panel fence - which was
what I wanted it to do - it then strangled a small Willow and a Hebe. I
thought I had got all of the root out, but last year few tendrils started to
appear. These were treated with glyphosate, and it now appears to be gone
for good.
I will NEVER plant another!
Good Luck.

"iamhere" wrote in message
om...
My father wants to cover a large wire fence quickly and I have come
across the above. I know it is a quick grower, I know it can be
invasive, but this is not a problem as long as you can kill it dead if
need be. In other words we want to try it out and if we find it to be
tooooo overwhelming we can get rid of it. How does it spread? Is it
by seed (hard to kill off) or by underground spread (hard to kill
off), or does it keep to its original stem and spread from there (if
you know what I mean!), and so easy to get rid of. Any help would be
appreciated.

Kathy


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