How Long Do Walnuts Last (And Why)?

How Long Do Walnuts Last (And Why)?

Exact Answer: 1 Year

Food and water are the main sources of nutrition everywhere. Every living organism on the planet needs food, sleep, and water and while animals and birds just require a few things to eat, humans don’t. The culinary world is known to prepare the most scrumptious dishes all across the world, filling the bellies of people, while making sure the taste stands out and comforts them.

There are many ingredients such as spices that are added to the dish to induce aroma and flavor, while ingredients like fruits, vegetables, rice, and pulses are the main ingredients that are required to make a dish. While some ingredients are a staple, some are just for aromatic purposes, while some are just luxurious ingredients used occasionally.

When people say ingredients, their mind immediately goes to the staple ingredients, and many don’t remember that nuts come under that list. There are hundreds of nuts found all over the world.

How Long Do Walnuts Last

How Long Do Walnuts Last?

Shelf life of walnutsTime
Chopped up and grounded walnuts1 day
Shelled walnuts3 weeks
Whole walnuts12 months

Some ingredients are used for their taste, while some are used for the nutrition content they hold, while some are used for both. One type of nut, that is filled with nutrition, taste, and flavor is walnuts. When a person buys walnuts, they should know exactly how to store them. It is an understatement when people stay they are nutritious because walnuts are loaded with fiber, vitamins, minerals, and a healthy amount of fats and calories.

Walnuts are rich in antioxidants, more than any other nut on planet Earth. When somebody takes walnuts regularly, this will prevent oxidative damage of LDL cholesterol and walnut skins are rich in vitamin E, polyphenols, and melatonin. Walnuts are also filled with Omega-3s and they also contain alpha-linolenic acid.

Walnuts are known to contain very rare compounds and chemicals that are good for health. Walnuts also help in preventing heart diseases, and they also help in reducing inflammation. Inflammation is the root cause of many diseases and it also helps in maintaining a healthy gut.

Why Do Walnuts Last That Long?

Walnuts also nourish the beneficial bacteria that is present in a person’s gut and this can improve digestion and reduce the risk of any digestion issues erupting up. They are even said to reduce the risk of cancer for some people and it also supports maintaining weight when a person is on diet or is trying to gain weight.

The main thing that pops up into a person’s mind when they are thinking about walnuts, is they are very good for a person’s brain and they help in maintaining memory power. Walnuts even reduce the risk of diabetes and they even reduce blood pressure and risk of stroke. Walnuts are good for the whole body, especially the skin, hair, and even the nails. On whole, walnuts are a whole package.

Walnuts are sometimes bagged, and sometimes they are purchased in a bulk. Walnuts are stored in the pantry, sometimes they have stored in the refrigerator or even the freezer. Walnuts can be stored either shelled or unshelled. Walnuts last in the pantry for about 2 to 4 weeks, and they last for 9 to 12 months in the refrigerator. Walnuts stay fresh in the freezer for about 18 months to 2 years before they shrivel up and become hard.


It is better to store walnuts unshelled and shelled walnuts do not stay fresh for that long. Storing walnuts in a cool and dry place, in an airtight container is preferred. When a package of walnuts is opened, they should be stored in the freezer in a sealed bag so that moisture doesn’t get in.

Shelled walnuts when stored properly can even last for a year in the refrigerator and unshelled walnuts longer than that. When they are not placed in an air-tight container, it is better to seal them in a resealable heavy-duty freezer bag.

When someone wants to store the shelled walnuts indefinitely, it is better to keep them constantly frozen at 0 degrees Fahrenheit at all times, and when walnuts are bad, they will have a bitter taste, and they can also develop an odor. When molds appear, they should be thrown away for sure.


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Hi! I'm Nidhi.

Here at the EHL, it's all about delicious, easy recipes for casual entertaining. So come and join me at the beach, relax and enjoy the food.

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