I am moving and am having trouble figuring out how to fit my Mandevilla in my car. It is in a plastic, wide planter that is attached to a lattice on which it has grown. I'm going to try to fit all of this in my car vertically, but we can't lay it down in case we spill dirt, and we have a lot more to pack. One idea I had was to detach the lattice and cut the mandevilla at the bottom. Would this damage the plant? Or would it grow back on the lattice once I get to my destination. It is just a 4 hour drive, it wouldn't be sitting in a hot car. Does anyone else have any advice?