Skip to Content

Can Flaxseed Go Bad

Can Flaxseed Go Bad

Can Flax Seeds Go Bad?

Flaxseeds can go rancid if kept for a very long time. Generally, the whole flaxseeds can last up to several weeks past the expiration date if stored in the refrigerator while for ground flaxseeds, it is best to use them within the expiration date or for most, a week past the date.

Ground flax seeds will spoil within a week if stored at room temperature, so use them within 3-4 days. In general, whole flax seeds can be stored in the refrigerator in an airtight container for up to a year. If stored properly, whole flaxseeds will keep for about a year, and ground flaxseeds will last about six months. If you have whole flax seeds, they will keep for several months, especially if you keep them in the refrigerator (more on that later).

By the way, if you are interested in How To Preserve Eggplant, check out my article on that.

At room temperature, whole flaxseeds can be stored six months after the expiration date printed on the package, while ground flaxseeds have a shelf life of about a week after the stated expiration date. Generally, the shelf life of flaxseeds depends on whether they are whole or ground. For whole flaxseeds, the shelf life is approximately one to two years after the date of manufacture.

Flaxseed meal, also known as ground flaxseed, has a shorter shelf life than whole grains. Due to the short shelf life of ground flax seeds, it is best to buy whole flax seeds and grind them in a food processor or coffee grinder as needed. Since flaxseed meal breaks down quickly under the wrong conditions, it is recommended that you only buy whole seeds and grind them at home.

Find out health benefits and how to store flex seeds

If you buy ground flaxseed, a nutritionist recommends eating flaxseed as soon as possible due to the seeds’ short shelf life. To keep seeds fresh, a nutritionist recommends placing them in an airtight container in the refrigerator or storing them in an equivalent container in the freezer for up to six months.

FlaxseedLasted time
In their original packing Last for up to a year
If store in room temperatureLast for 3 to 4 days
If store in refrigeratorLast for 6 months
If stored in freezerLast for a year
How long flaxseed can be lasted when stored in a different place?

Storing flax seeds in the freezer can help them stay fresh longer by extending the life of ground flax seeds by up to three months. Storing whole flax seeds in the refrigerator or freezer will prolong their freshness. Some flaxseed brands may recommend storing their flaxseed products in the refrigerator or freezer to keep them fresh.

It should also be noted that once a container of flaxseed has been frozen, it should always be stored in the freezer. We recommend storing flax seeds in their original packaging after use.

In the short term, you can leave flax seeds in their original packaging for up to a year. If the original package is opened, transfer the flax seeds to an airtight container.

To prevent flax seeds from spoiling prematurely, always close the bag or transfer the contents to an airtight container or jar. To prolong the life of flaxseeds (ground or whole), store them in the refrigerator in an airtight container. Heat, light, and air can quickly spoil flaxseed oil, so it should be stored in the refrigerator.

If your fridge is short on space or you want to keep your flaxseed supplies longer, try putting them in the freezer. Whether you choose to store flax seeds in your pantry, refrigerator, or freezer, it’s important that they stay at a consistent temperature.

As with whole seeds, avoid thawing flaxseed meal before use, and never transfer leftovers between the refrigerator and freezer or cupboard. You can also store flaxseed meal in the refrigerator if you plan to consume it within a week. If you want the convenience factor, you can buy several bags of pre-ground flaxseed meal at the store, but it’s best to run out of stock as soon as possible, as it may start to rot a few weeks after opening the package.

Although you can definitely store flaxseeds at room temperature, they will go bad faster. Try to quickly replace the bag of flaxseed after use so that the seeds are not exposed to too much temperature fluctuations.

Crushed seeds stored in the freezer should be stored for approximately two months past their original expiration date. Flaxseeds ground when stored under the same conditions as whole flaxseeds will keep for about six months when stored in the freezer at the same time.

Ground flaxseeds keep in the refrigerator for about four months; Whole seeds can be stored for up to two years. Whole flax will keep for up to seven years, ground flax for up to two years, and linseed oil for about a month. The shelf life of flax seeds depends on how they were processed, where you store them, and in what form (seed or ground).

When properly stored, flax seeds have a shelf life beyond their expiration date of about approx. Flax seeds have a slight nutty taste, if there is a bitter taste, the flax seeds have gone bad and should be thrown away. Although ground flaxseed can be stored for several months in its packaged form, ground flax becomes perishable once the package is opened. Yes, you can grind flax seeds in advance; however, the Flax Council of Canada only recommends 3-7 days, so you definitely need to store ground flax in the refrigerator.

Whether you buy ground flaxseeds or grind them at home, it’s important to store them in an airtight container in the refrigerator or freezer so they don’t go rancid. Ground flax seeds stored in the refrigerator in this way will remain fresh for six months; and in the freezer for a year. Whether ground or whole, flaxseeds should be stored in a cool place away from oxygen and heat.

If you decide to include flaxseed in your diet, make sure you store it properly and it will help you get familiar with those super beneficial omega acids and nutrients they are so famous for. By selecting high quality, undamaged seeds and properly managing high quality in our factory, the natural antioxidants in flaxseeds ensure a long shelf life for our ground flaxseeds.

To learn about How Long Does Bacon Last, check out my article where I cover everything you need to know.

From a nutritional standpoint, fresh ground flaxseeds will have the same nutritional benefits as our smooth and whole ground flax. Grinding will not only help maintain the quality of the oils and reduce their ability to go rancid, but by using whole ground flaxseed, you will benefit not only from its oil, but also from the lignins, fibers and other nutrients found in the seed coat. In fact, whole flax seeds left in the refrigerator will probably stay good for up to a year past the stated expiration date.

Does ground flaxseed need to be refrigerated?

Keep your flaxseeds fresher longer by preserving them in an airtight container. Whole or ground, it’s not needed to be kept in the fridge. A cool, dark pantry should be fine. Just as storing nuts in the refrigerator increases their shelf life, the same goes for flaxseeds and flaxseed meals.

How quickly do flax seeds spoil?

Fresh, whole flaxseed may be stored in a transparent, airtight jar in the refrigerator for up to a year. Ground flaxseed keeps for roughly 6 months in the freezer in almost the same type of container. Flaxseed oil should always be kept in a clear bottle and kept in the refrigerator.