Answer:
I have roots nobody sees. I am taller than trees. Up up I go but I never grow.
I can be red blue purple and green. No one can reach me not even the queen.
A necessity to some, a treasure to many, I'm best enjoyed among pleasant company. Some like me hot, some like me cold. Some prefer mild, some like me bold. What am I?
I may seem real but it always turns out I was never there in the first place... you only see me during a certain resting stage.
My head bobs lazily in the sun. You think I'm cute, for my face is yellow, my hair is white and my body is green. What am I?
If you can spot one of these eastern warriors, it means they're not doing their job right.