Just want someone to confirm that this looks okay :D

Im not 100% sure why the root seems to be growing out of the cube, it looks okay i think?

yeah its fine

be very careful, take and sterilize a long twig and stick it so the stem stands against it as support. wrap a small piece of twine around the stem from top to bottom, make sure its loose, keep a razor near by so cut the cord later. and get your light closure.

Get it in dirt