How long do onions last?

In this short article, we will provide an answer to the question “how long do onions last?” We will also talk about the shelf life of onions as well as the best ways of storing them.

How long do onions last?

Fresh onions may stay 6 – 8 weeks on the counter but can last 2 to 3 months if stored in the refrigerator. 

Onions that are freshly chopped may be kept in the fridge for up to a week if kept chilled.

In the freezer, onions may survive up to 8 months. In a cold, dark place, whole raw onions may survive up to 6 weeks. If this isn’t feasible, the onions must be stored in the refrigerator to extend their shelf life.

In the refrigerator, whole raw onions may survive up to two months. Raw onions may be stored in the fridge for up to another week or frozen for up to eight months.

Onions may be stored in the refrigerator for up to five days and frozen for up to 12 months when cooked.

Whole onions1-3 months1-2 months
Cut onions1 week5-8 months
Cooked onions2-3 days

How to Tell if an Onion Is Bad?

Following are a few telltale indications of a rotten onion, whether whole or sliced. 


The development of brown or black patches on the onion’s outer peel is the first indication that it is going rotten. When entire onions are left out for too long, this occurs. Unless it’s mushy and stinky, you’ll usually have to wait a couple of days before discarding it. We suggest peeling the onions and taking away any discolored areas in the internal lining as soon as feasible.


Mold is a typical indicator of food deterioration, and onions are no exception. Onions that have been subjected to humidity will develop mold.

Check for additional indications of deterioration, such as browning, an odd odor, and squishiness, before tossing away moldy onions.


Onions, whether whole or sliced, have a distinct odor. When the onion begins to smell bad, it will typically show additional symptoms of deterioration such as discoloration, oozing, and a mushy texture. It’s time to get rid of those onions in this instance.

Sprouting and drying

When onions are left in the pantry for too long, they may sprout, but there is no harm in eating them. However, the onion may turn mushy and then shrivel up shortly after sprouting, indicating that it has lost its freshness.

Other FAQs about Onions which you may be interested in.

Are onions poisonous the next day?

Can you eat a raw onion?

What Is the Best Way to Store Onions?

Keeping onions in good condition is comparable to keeping garlic or shallots in good condition. Warmth, moisture, and airflow are the three variables to consider.

To maintain optimum freshness, keep entire onions in a lightly wrapped tissue or netting sack or box to enable airflow.

Don’t store onions in plastic bags because the lack of air circulation will shorten their shelf life, and don’t store onions near potatoes since the chemical interaction will cause the onions to spoil faster.

Raw onions should be stored in an airtight container after peeled and sliced.

Onions may also be frozen, and the easiest method to do so is to peel off the top layer, then cut or mince the onion before putting them in sealed bags or freezer bags.

Is It Possible to Freeze Onion?

To freeze onions, follow these procedures and tips:

  • Peel, slice or cut the fruit. Whole onions should not be frozen since they cannot survive very cold conditions and will defrost into a mushy mess. To prevent the onions from getting too mushy when frozen, chop them into thick slices.
  • Freeze the onions in tiny pieces that may be used all at once in freezer bags. Onions aren’t very good at refreezing. To keep the onions as dry as possible, press out as much space as possible. Place the container there in the freezer until prepared to use.
  • To get the most taste out of the frozen onions, use them within three months.

The Dangers of Eating Expired Onions

It is not a healthy idea to eat onions that have gone rotten. Moldy, odorous, mushy, or discolored onions, for starters, can ruin the taste and fragrance of any dish. Salmonella is a common cause of food poisoning, and infected individuals may have stomach pain, fever, and diarrhea. These signs and symptoms may persist for up to a week. Eating infected onions is more likely to cause severe illness in children, aged old, and people with a weakened immune system.


In this short article, we provided an answer to the question “how long do onions last?. “We also talked about the shelf life of onions as well as the best ways of storing them.


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