Answer:
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.
What goes in the water black and comes out red?
You eat something you neither plant nor plow. It is the son of water, but if water touches it, it dies.
Though easy to spot, when allowed to plume, It is hard to see, when held in a room.
What type of bar gets you wet walking in and out of it but keeps you dry inside?
What did the piece of wood say when he saw the screwdriver and screws approaching?