like dutch pimp said in your other thread about this, years(if done right)
that means drying(either hanging from a string or laying on a screen), curing and then sealing in air tight jars.
GO TO THE CANNABIS FAQ'S AND READ UP.
EVERYTHING YOU NEED TO KNOW IS IN THERE.
and dont be worrying so much about where you store it. as long as its not too hot or too cold, youll be fine
i leave mine in a cardboard box that is in my closet, just throw a towel over it so the light stays off it.
they then all stay closed, except for the one i smoke out of.