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The textbook answer is about 2 weeks. By this time though, they will have began to lose alot of their vitamins and such. The best thing to do is not wash them until you are ready to use them. By using an o3 pure fridge food preserver, it can double the time for blueberries and any other vegetables. Once initially picked you may wish to leave them uncovered for the first day to remove any excess moisture. If using a fridge food preserver or a similar item that removes ethylene gas you should leave a small opening for air exchange.

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11y ago
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15y ago

unwashed blueberries will stay fresh for about 2 weeks if kept dry in the refrigerator

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Q: How long will blueberries stay fresh in the refrigerator?
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