You bury a plant.
I believe the answer is a plant.
I'm not dead,
i'm not alive,
i'm not underground,
i'm high up in the sky,
people speak of me but never saw me.
Who am i?
I have many feathers to help me fly.
I have a body and head, but I'm not alive.
It is your strength which determines how far I go.
You can hold me in your hand, but I'm never thrown.
What am I?