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How Long Does Kief Last? [Shelf Life Guide]

Kief is the crystalline resinous glands that fall off from the marijuana plant, also known as Cannabis.

They naturally fall off when the trichomes dry out, but growers also target and collect Kief specifically to be consumed itself.

Kief is also added with other forms of marijuana to get the added high.

does kief go bad

Kief is more potent than its flower, and it can be used in various ways. You can smoke, ingest, or even make a hash.

But smoking kief gives the most intense effect. Since Kief has a neutral taste, it can be added to some dishes without distorting its flavor.

You may add it to your morning coffee or tea too.

You can also press kief crystals into a hash using an iron. Later the pressed Kief can be rolled into a parchment paper.

Put a damp buffer over the parchment paper and apply heat again, and the hash is done.

So, if you have stocked up on some kief and wondering if it will go bad or how you can preserve it, please keep reading.

How to Tell if Kief is Bad?

how to tell if kief is bad

Kief has an indefinite shelf life, yet one that is too old or contaminated with mold and bacteria can harm your health.

So how do you know when it has gone bad or when it is time to toss it away? Let’s discuss the signs that say you should probably throw it away than try to preserve it.

Smell it. It’s all in the aroma that you know how fresh and delightful your Kief will be. When the fragrance has gone, you know it will not be pleasant.

Next, taste it. When the weed has been sitting for too long, it will taste harsh.

Kief that has lost its smell and taste completely has probably lost its potent chemicals also.

Feel the texture. If your weed is too spongy or brittle, it indicates that it is either too dry or too moist.

Change in texture is also a sign that Kief may no longer be useful or fit for consumption.

Check for molds. Small molds may be too tiny and hard to detect.

So, it is essential that you carefully look for any powdery or fuzzy spots that may be unnoticeable but pose a threat to your health.

Moldy Kief will also smell musty like hay.

How Long Does Kief Last? Does Kief Go Bad?

how long does kief last

Like all other plants, marijuana leaves, buds, and Kief, too, will go bad. You can’t precisely determine its shelf life because it doesn’t expire like processed food.

But when it is old, its potency will drop, which is a big deal whether you are using it for recreational or medical purposes.

Old Kief may go moldy or taste off, but it is not necessarily harmful. Unless you have underlying health problems, you can still use it past its prime time.

Bad Kief will taste harsh and brittle. They also tend to grow bacteria on them. It will also grow mold, which is notably not good for your health.

If you have a weak immune system, ingesting or inhaling infected weed can cause severe illness or even lead to death.

Hence, it is best to toss it away if you think your Kief is too old, moldy, or contaminated in any way.

Generally, weed remains fresh for six months to one year if you store it properly. After that, you have to determine if it is good enough by its aroma and potency.

According to Healthline, weed loses 14 percent of its THC after a year. Then on, it will keep dropping with 41% THC lost after four years.

Kief, like all other forms of marijuana, must be stored appropriately if you want to extend its shelf life.

Kief crystals are delicate, while plastic bags and containers are static.

So, the right way to go is to keep them in airtight glass jars that will not let in too much oxygen that can potentially destroy your Kief.

After that, store it in a cool, dry, and dark place. Keeping your weeds in the freezer may also not be a good idea as the crystals of trichomes might dry out.

A dark place with a temperature of 77oF will be the best for storage.

does kief go bad

How Long Does Kief Last? Does Kief Go Bad?

5 from 1 vote
Prep Time 15 minutes
Cook Time 15 minutes
Total Time 30 minutes
Course Shelf Life
Servings 1 Serving


  • Kief
  • Air-tight containers or Ziplock bags
  • Labels and markers


  • Read the guide thoroughly to learn how long it lasts.
  • Check the u0022Best-by-dateu0022 to know when it expires.
  • Make sure to store in an airtight container in a cool, dark place (pantry or fridge).
  • Always check for signs of spoilage before using.
Did you make this recipe?Mention @EatDelights or tag #eatdelights!

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