Well i,v regenrated lots of plants into nice mothers and all i do is cut it back leaving the shitty lil buds at the base , stick em onto 24 light with a high nitrogen diet and wait about a month .
Don,t try changing the soil or messing with the roots as the plant is undergoing an unnatural faise in going backwards , and they can be against the idea of going from autum to summer in a day ,and somtimes go belly up.
So don,t give any unecissery stress.