Answer:
I have roots nobody sees. I am taller than trees. Up up I go but I never grow.
I have every color but no gold.
I am a type of animal that hang out in the mist
I am partially baked. I am not completely lit. I am a portion of the moon. I am lesser than full wit. I am a divider of the hour. I am not a total lie. I am a sibling through one parent.
I let water fall on you while everyone else stays dry. What am I?
No matter how little or how much you use me, you change me every month.