It is best to store your blueberries in the fridge and wash just prior to eating. Berries are delicate and very perishable. If you wash them first and plan to store them for a long period of time in the refrigerator they can start to break down faster.

Can blueberries be stored at room temperature?

You can leave blueberries at room temperature if you plan to eat them in the next day or so, but after that you should transfer them to the fridge—they can stay there for five to 10 days. Of course, you can freeze them if you want to keep them longer than that.

What happens if blueberries are not refrigerated?

Blueberries should only be left out at room temperature if being consumed within the same day, as blueberries are highly perishable and do not ripen after being picked. ... Properly stored, blueberries will usually keep for about 1 to 2 weeks in the fridge.