Answer:
I am flora, not fauna. I am foliage, not trees. I am shrubbery, not grass. What am I?
I sleep by day, I fly by night. I have no feathers to aid my flight. What am I?
I am filled with garb the price is free. Just return what you don't need.
I'm a word that's hardly there. Take away my start and I'm an herbal flair. What am I?
What is easy to spot but hard to find?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.