agmantoo said:You pull the leafy sprouts that will develop from the sweet potato. When you plant this sprout just make a slit in the soil and pour some water in, then stick the sprout in and firm the soil around the roots. You cannot kill the plant, it is a tough suvivor!
Don't you leave (or cut) a thin part of the actual potato? I'm just asking.. I have NO idea.. but thank you so much for bringing this 'age old mystery' (to me!) to a end.. FINALLY!!