Do Frozen Blueberries Go Bad?

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Freezing blueberries can be a great way to stock up for when fresh blueberries are not in season. Many people wonder if is ok to freeze blueberries.

Do frozen blueberries go bad? No, blueberries do not go bad when frozen. As long as they are kept in a sealed freezer bag or container, they will stay fresh for about one year. If they are exposed to air or temperature fluctuations, they will turn mushy and develop freezer burn more quickly.

Once blueberries have been defrosted, they should be eaten within a few days or put back in the freezer.

How Long Do Blueberries Last in The Freezer?

Frozen blueberries last for 6-12 months in the freezer. If you are not sure about how long have passed since you placed them in the freezer, just check to see if they are still firm and look normal.

You can always use them even if they have been in the freezer for more than 1 year.

How Long Do Thaw Blueberries Last in the Fridge?

Thawed blueberries will last in the fridge for 3-5 days. They should be put in the coldest part of the fridge if they are to be stored for more than 1 day.

If they are not going to be eaten right away, they can be stored in a sealed container in the freezer.

Side view of woman holding freshly washed blueberries on a fabric napkin.

Can Frozen Blueberries Get Moldy?

Yes, if blueberries are not kept in a sealed container or freezer bag, they can get moldy.

Mold spores will form on the surface of the fruit and will grow and spread if left unchecked.

Make sure to discard any berries that have signs of mold.

How to Tell if Frozen Blueberries Have Gone Bad?

If you are not sure whether the blueberries you have frozen have gone bad or not, there are a few ways to check.

1. The best way to tell is obviously when you open the container and when they have developed a bad smell or taste.

2. If they are discolored, mushy, or have any other signs of spoilage, then they have gone bad and should not be eaten.

3. If you have thaw them a few times and refreeze them and let them out before they thaw again, then they have been exposed to too much temperature fluctuation and may not be safe to eat.

Should You Rinse Frozen Blueberries Before Eating?

You do not need to rinse frozen blueberries before eating them, but you can if you want.

Rinsing the berries under cold water will only take a few minutes.

Rinsing them will remove any residual ice crystals that may have formed during the freezing process, but it won’t make blueberries taste any different.

Are Old Frozen Blueberries Safe to Eat?

Yes, as long as they have been stored in a sealed freezer bag or container. Just be sure to check for any signs of spoilage such as freezer burn or a bad smell.

If they appear normal and do not have any signs of spoilage, you can eat them.

As long as blueberries are frozen and kept at 0°F or colder, it is safe to keep them for about one year.

Frozen blueberries should be eaten or refrozen within 8-12 months after they were first frozen.

After that period of time, the texture and flavor of the berries may start to degrade and become mushy.

If they have been kept for more than a year but have gone undetected, you can still eat them as long as there are no signs of spoilage.

Frozen blueberries on a ziplock plastic bag.

How to Freeze Blueberries

It is easy to freeze blueberries. Follow these simple and easy steps to freeze blueberries.

Step 1: Wash the Blueberries

Wash berries under cold water and drain them on a clean cloth or paper towel so any residual moisture can evaporate quickly.

Discard any bad looking, smelly or cracked berries as they might spoil the rest during storage.

Step 2: Pat Dry the Blueberries

Pat the blueberries dry with a clean cloth or paper towel. This will help them freeze faster and prevent freezer burn.

Step 3: Place the Blueberries in a Freezer-Safe Container

Place the blueberries in a freezer safe container such as a bag or container that is airtight. This will prevent them from absorbing odors from the freezer.

Label the container with the date frozen. This will help you keep track of how long they have been in the freezer.

Are frozen Blueberries Mushy When Thawed?

No, they are not usually mushy when thawed. However, if they have been thawed and refrozen multiple times, they may be a little mushy. This is due to the water content in the berries and how it expands as it freezes.

As they are frozen, the berries will become slightly dehydrated.

The more times they are thawed and refrozen, the more water is lost which makes them loose their firmness.

If you plan to use blueberries as part of a recipe that requires them to be cooked or baked such as pies or muffins, then it should not affect the taste or texture of the final product.


Frozen blueberries will last for around 12 months in the freezer. They are a great option for those looking to have some fruit on hand at all times.

They are a healthy snack, and they taste good as well. Use them in smoothies and cereals.

They make a good addition to pancakes and waffles as well. The fact that they can last for such a long time is only an added bonus!

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