I planted vines on each side of the back porch about 5-6 years ago.
In my dumb innocence, I didn't know how predatory it was; by now,
it's coming up all over the back yard!
About 3 years ago, come dormant time, I cut one side off a little
short of the roof, to avoid compromising the roofing. That part did
not regrow, and my gardener (who only mows & edges) said it
doesn't regrow when cut off.
But it grew under the porch from the other side, and now is even
more abundant than before.
Now I finally come to the Question:
When it goes dormant again, can I or can I not prune from the top?