Been away a looong time

Found this growing out of a pot, it was about 8' high and well rooted into the ground, so l chopped off the top and root level with the pot. Now, a few weeks later l have this
IMG_20171206_165257821_HDR_01.JPG
IMG_20171206_165238187_HDR_01.JPG
is this worth trying? (l'm still a newby at this) and if so, how should l proceed from here......
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