Rusty Hinge wrote:


Dig the roots up (if you haven't already done so) and store them in dry
sand over the winter. Keep them cool, but don't allow them to freeze.
Leave several buds on the stem.

.... and I was just about to say DON'T dig the roots up, cut the vines
off and leave them as they will continue to fix atmospheric nitrogen for
next year's crops (brassicacea in my rotation)!