Answer:
Grows from the ground, bushes and grass, leaves of yellow, red and brow, unruly plants, get the axe, trim the hedge back down.
What has four wings but cannot fly and uses the wind but does not know why?
There are millions of me. I am very small but when moving fast I am deadly.
What can be underwater, under fire, on fire and taking water all at the same time?
Walk on the living, they don't even mumble. Walk on the dead, they mutter and grumble.
I can only be played on a windy day