I really loved this entry! As someone who takes part in this contest, I know how difficult it may be at first to incorporate the theme and all the prompts.
The consistency of the imagery is incredible.
Resting in the dark while the roots take hold;
Reaching for the stars without leaving the ground,
That's talent. I'm amazed at how you used the tree's imagery throughout the whole poem. And the "alien branches". That was clever to use 'alien' prompt that way. Tips hat off