Answer:
Every night I'm told what to do and each morning I do what I'm told. But I still don't escape your scold
Without a bridle or a saddle across a thing I ride a-straddle. And those I ride by help of me though almost blind are made to see.
You cannot keep me until you have given me. What am I?
What always goes to bed with its shoes on?
I am flora, not fauna. I am foliage, not trees. I am shrubbery, not grass. What am I?
No matter how little or how much you use me, you change me every month.