Sweet potato vines- vertically upwards?
I've been looking & looking but am unable to find any answer as to whether with correct training/trellising I could get a sweet potato vine to grow upwards. I have a big, reasonably sunny brick wall in the back of my property that already has a trellis sort of arrangement from a previous tenant, and it seems like as good a spot as any to try to grow some sweet potatos. For the vines and flowers, even if growing them in a container results in a lack of actual tubers (anyone have any experience with this?).
If it's impossible or unfeasible to train them upwards, I'll put them on a pedestal in my front yard and let them cascade (hopefully choking out some weeds as they go). But the backyard is much more in need of fast greenery than the front.