they can be rooted, they develop a sort of tuber on the base like a callous on a cutting, they root better earlier in the year though. Peter (UK) On Sat, Nov 26, 2011 at 9:29 PM, Johannes-Ulrich Urban < johannes-ulrich-urban@t-online.de> wrote: But the very lowest segments close to the tubers had small > roots when they were shed and they are very firm and short and round so > that I wonder if they could be used for propagatiom. I will try anyway. > But my question: Has anybody done this before? With sucess? >