I’ve been a little lazy and being that it is a cased aromatic, I left mine in the original packaging after opening about 9 months ago. i just packed it into mylar ziplocks this morning and it was still fine. However, I have some winter 2015 that’s on the verge of too dry. So, how you choose to store it is dependent upon how fast you think you'll be smoking it. Any of the usual methods will be fine—even vacuum sealing.