25 years ago one of the neighbours on my southern boundary erected a trellis on the fence-line and grew this stuff all over it. It looked nice for about three weeks. It grows strongest towards the sun (which, in the southern hemisphere, is to the north). Pretty soon it was invading my tree-tops. Grevilleas and banksias were being choked to death.
Neighbour didn’t want to know about “my” problem. I put black plastic and green shadecloth all over my side of the trellis to slow it down. Plus I cut it back ferociously a few times. Didn’t resort to Zero but thought about – Loudly! Neighbour still wants to keep it but these days he regularly keeps it in check with his brushcutter.