Food Preservation

Do Sweet Potatoes Go Bad? How Long Do Sweet Potatoes Last?

In this article, you will know the answer to the query “Do Sweet Potatoes Go Bad? How Long Do Sweet Potatoes Last?“.

There is no doubt that sweet potatoes are one of the world’s most loved edible roots.

Since the 1500s, sweet potatoes, which originated in Central or South America, have been dispersed throughout the world.

It is sometimes referred to as a yam, but it differs botanically from the genuine fruit.

The root of sweet potatoes is edible, not the tuber like the common potato, according to BerkeleyWellness. The sweet potato’s sweetness comes from an enzyme that converts starch in the roots to sugar.

Along with their great taste, sweet potatoes are packed with fiber, vitamins, and minerals.

What happens when it becomes less nutritious? How long does it take for sweet potatoes to go bad?

As they become poisonously contaminated with Ceratocystis Fimbriata (source), bad sweet potatoes can lead to serious health problems.

Learn how to tell if a sweet potato has gone bad by reading on.

Do Sweet Potatoes Go Bad? How Long Do Sweet Potatoes Last?

It is true that sweet potatoes go bad after a while. Is it possible to store sweet potatoes for a long time?

In this question, the answers differ based on whether it’s fresh or cooked. There is also a difference in shelf life between storing them in the fridge and the freezer.

The team at RealSimple has some valuable information to share with us regarding the period after which sweet potatoes become unsafe to eat.

It is possible to store raw sweet potatoes for one month if they are kept in a cool, dark, and dry pantry. For this root to have a longer shelf life, it is necessary to have easy air circulation.

When the sweet potato is cut and refrigerated, it lasts between three and five days. It is not recommended to refrigerate whole raw sweet potatoes.

In the freezer, cooked and cut sweet potatoes will last up to six months. The freezing of raw sweet potatoes does not work well.

Cans of sweet potatoes can last for one year if they are sealed; however, once opened and exposed to the atmosphere, they can last for up to seven days.

It is best to buy properly cured sweet potatoes if you want them to last a long time.

The air inside the fridge affects sweet potatoes’ taste, so it is not recommended to store them there. It is possible to prevent the cut pieces from oxidizing too quickly by spraying them with lemon juice.

The best place to store cooked sweet potatoes is in an airtight container inside the freezer. Keeping the cooked pieces wrapped in a paper towel helps prevent moisture buildup.

How to Tell If Sweet Potatoes are Bad? Sweet Potatoes Shelf Life!

Sweet potatoes that have started going bad should not be eaten or prepared because they are harmful to our health.

There is enough toxin content in spoiled sweet potatoes to kill even cows, according to an article in TheGuardian, UK.

Sweet potatoes may require you to touch them to determine if they are bad, unlike green vegetables like Brussel sprouts and green beans.

Sweet potatoes may need to be touched or cut to determine if they are bad, just like butternut squashes.

Sweet potatoes that have gone bad can be identified by these signs:

  • When sweet potatoes grow old, they become soft. As undiscarded units turn mushy, they emit an unpleasant odor.
  • It is also a sign that the sweet potato will no longer taste good if the skin is wrinkled.
  • Whenever the sweet potato begins to turn brown or black, it should be thrown away.

It is usually only the natural aging process of sweet potatoes that causes them to go bad. The rotting process is accelerated by moisture and incorrect storage methods.


Sweet potatoes have many health benefits that you may not be aware of. Furthermore, it contains fiber, vitamins, and minerals, as well as promotes gut health.

There is also a possibility that they are capable of fighting cancer and enhancing the brain.

The shelf-life of sweet potatoes can be extended further by storing them properly.

Their taste is great, and they can be prepared in a variety of ways. Its versatility and long shelf life make it an ideal vegetable to keep in your pantry or refrigerator.

Do Sweet Potatoes Go Bad? How Long Do Sweet Potatoes Last?


15 minutes


15 minutes


30 minutes


  • Sweet potatoes
  • Air-tight containers or Ziplock bags
  • Labels and markers


  • Read the guide thoroughly to learn how long it lasts.
  • Label your container with the content and date and keep track of how much you’re using!
  • Make sure to store in an airtight container in a cool, dark place (pantry or fridge).
  • If frozen, thaw in the fridge before use. Always check for signs of spoilage before use.

If you want to read more about food preservation, read here: FOOD PRESERVATION.

Ayub Khan

Ayub Khan is an accomplished culinary author with a passion for cooking and 6 years of experience. His creative ideas and valuable tips inspire readers to explore new flavors and take their culinary skills to the next level.

Rehmat Dietitian

Rehmat is a certified food dietitian having experience of 10 years in reviewing and practicing on foods different aspects.

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