I have numerous paved roads around my claim that are not claimed. It would be nice if we could simply select an action under Landscaping to select an area and remove all vines (akin to farming and such).
You could even give it the prerequisite of Gardening, if you wanted to be lorpy.
It would also be neat if there were some way to prevent them from growing passively in high traffic areas, such as carts, wagons and horses stomping them down. Or perhaps have active claims extend their influence to ward off the decay of vines a couple more tiles?