Separating pot-grown tubers
I've never tried over-wintering Dahlia tubers, but am trying this for the first time with some pot-grown ones. Owing to the confined space, when they were tipped out of the pot, the tubers were more of a ball-shaped mass instead of being slightly separate.
What is the best way of treating these when the spring comes.
At a guess, I could loosely plant the whole mass in a pot, wait for any shoots, and try to cut them off with as much of the attached tuber as possible.