Answer:
I grow for a surface, even if you cut me. I continue to grow even after death.
My children are near and far. No matter that I know where they are. The gift I give them make their day. But if I were gone they would wander away.
I have one eye. See near and far. I hold the moments you treasure and the things that make you weep.
A time when they're green. A time when they're brown. But both of these times, cause me to frown. But just in between, for a very short while. They're perfect and yellow. And cause me to smile.
Pregnant every time you see her, yet she never will give birth.
I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?