Vanilla should always be stored in an airtight resalable container wrapped in wax paper and tightly sealed in a jar or double zip lock bag, removing as much air as possible. If you have your own food sealer these work great and are the most recommended tool to keep your vanilla for almost indefinite periods of time. We also recommend storing your vanilla beans in sugar. This can hep preserve your product. The great part about using sugar to store vanilla beans is this leaves the sugar smelling and tasting wonderful and preserves the beans for later use.
Never store your vanilla beans in the refrigerator as this can both dry out your vanilla beans and add additional circulation moisture that promotes a specific type of mold that only grows on vanilla.
The Ideal storage conditions for vanilla beans are cool, dry areas, such as a pantry or spice cupboard and avoiding direct sunlight. 72 degrees is the recommend temperature control, with little to no humidity.