Shelf Life of

How Long Do Onions Last?

The Shelf Life of Onions

Shelf Life of Onions

Onions – how long do onions last? The shelf life of onions, like most other fresh vegetables has no sell by date or best before date so you have to go with purchase date. Because of their versatility, flavor and relatively long shelf life sauteed onions (although unpleasant to chop) immediately add that “something smells good” aroma to any kitchen.

So, how long do onions last? When properly stored, the shelf life of onions is approximately…

Counter Fridge
Fresh Onion (Whole) lasts for 4-6 Weeks 1-2 Months
Fresh Onion Chopped lasts for 1 Week
Fresh Scallions (Whole) lasts for 1-2 Days 1-2 Weeks
Frozen Onions  last for 6-8 Months

Of course, all foods last for a shorter period of time if they are not stored properly.

How to tell if onions are bad, rotten or spoiled?

Practicing proper hygiene and food safety discipline will help prevent food borne illness. Although not a perfect test, looking is the best way to tell if your onion has gone bad.

Some common traits of onions going bad are brown, black or soft spots. The soft spots will quickly develop mold, so cut out the soft spot and surrounding area and use the onion quickly. There are, of course, certain health risks associated with spoiled onions, so always remember to practice food safety and enjoy them prior to their eat by date.

How to store onions to extend their shelf life?

Proper food storage is the key to extending the expiration date of onions.
To extend the shelf life of onions it is best to store onions whole at room temperature in a dark and dry place with plenty of air circulation. A hanging wire mesh net works great, as do mesh bags and paper bags. Avoid plastic bags or any closed containers that can’t breathe (allow air through), which can produce moisture build-up.

Once onions are removed from their skin and prepared, it’s a different story – peeled onions should be stored in a tightly closed container in the refrigerator.

Onions can be purchased frozen, although their texture is not as nice.
Some benefits of proper food storage include eating healthier, cutting food costs and helping the environment by avoiding waste.

Any interesting facts about onions?

  • Onions come in three colors: white, yellow and red (although red ones are actually purple in color).
  • Here’s a great to way to use an old pair of pantyhose – put an onion in the leg then tie a knot and repeat the process with all your onions and then hang the pantyhose! To remove an one cut a slit in the sack just above the onion you wish to remove in order that you can re-fill the pantyhose with the next batch.

What to do if you have too many onions about to go bad?

  • Chop the onions and seal them into an airtight freezer safe bag and freeze.

  • How long are onions good for when prepared in a dish?

    How long do onions last? That depends. How long does garlic last? In general, onions last only as long as the quickest expiring ingredient in the recipe. To find out how long those other ingredients are good for, please visit the Dairy, Drinks, Fruits, Grains, Proteins, Vegetables and Other sections of Eat By Date or search below!

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    What are our shelf life resources?

    Our content incorporates research from multiple resources, including the United States Department of Agriculture and the United States Food & Drug Administration. In addition, we scoured the web for informative articles and reports related to food safety, food storage and the shelf life of onions.

    *An important note about expiration dates …

    Although the how long do onions last information on Eat By Date is generally reliable, please remember that individual cases will vary and our advice should only be taken as an opinion and not replace the advice of your health care provider. Please eat responsibly!