Sure, you may enjoy cannabis but…do you know how to store weed?
It’s not an idle question: Cannabis can absolutely go bad over time if it’s exposed to light, air, heat, and moisture. And the cost is real: dried-out, harsh, less flavorful flower. In this guide, we’ll share exactly how to store cannabis so that your stash stays fresh and tasting its best for the long haul.
How to Store Weed: What to Know Wondering how to store marijuana properly? For the best results, find a dark place, maintain an even temperature, and invest in airtight storage to keep cannabis fresh and the smell contained. Stored this way, flower can last for six months or potentially longer.
How to Store Weed the Right Way
Maintaining freshness in cannabis comes down to two things: what you store it in and where you keep it. Let’s break it down:
The Best Containers for Storing Weed
If you want to know how to store weed like a pro, start by obtaining airtight containers. Even a glass Mason jar with a tight lid beats plastic bags or the original packaging when it comes to long-term freshness.
The Best Conditions for Storing Weed
Coolness, darkness, and consistent temperature and humidity are your friends here. Avoid direct sunlight, the refrigerator, or overly dry air.
“Good, Better, Best”: How to Store Your Weed
| Tier | Setup | Airtight? | Humidity Control? | Best For |
| Good | Original packaging or a sealed plastic bag | Minimal | No | A few days, in a pinch |
| Better | Glass jar with a tight-fitting lid | Yes | No | A few weeks to a couple months |
| Best | Glass jar + humidity pack, stored somewhere cool and dark | Yes | Yes | Long-term freshness, months+ |
Want to see what a difference proper weed storage can make? Learn how Good Good’s nitrogen-sealed packaging keeps flower fresher and longer.
Common Weed Storage Mistakes
In our experience, stale or moldy weed isn’t the sign of a bad batch; it’s a storage mistake. Some of the most common killers of high-quality weed we see include:
- Overpacking jars: Tightly packed buds restrict the movement of air and can trap unseen moisture. Resist the urge to overpack by getting a second container.
- Storing near heat or light: Ultraviolet light is the enemy of fresh, fragrant cannabis. Do yourself a favor and find a suitable (and secure) storage area.
- Grinding more than you’ll use in one sitting: Grinding weed preps it for use (but rapidly speeds degradation). Grind it immediately before each smoking session and otherwise keep it whole.
Investing in a proper weed grinder is one of the least expensive upgrades you can give yourself. Learn more in our primer on weed grinding.
How Long Does Cannabis Flower Last?
Stored properly in an airtight container and an environment that blocks light and extremes of temperature, cannabis flower can last six months or longer (though anything older than a year is probably fairly beat).
But if you’re wondering how to store weed flower properly, here’s the real timeline, and how to tell when the party’s over:
Short-Term Storage
If you’re looking to store weed for a few days to a few weeks, minimal care is needed, provided it’s in an airtight container. That’s why our top suggestion is to make the minimal investment in a glass jar with a proper lid. Don’t believe us about the impact of these environmental factors? There’s actually quite a bit of science on cannabinoid and terpene degradation from light, heat, or oxygen exposure. You can read all about them here.
Long-Term Storage
If the goal is to keep your weed for several months or longer, resist the temptation to use the fridge. Instead, invest in the right jar with a sealing lid, store it in a cool environment, and remember to occasionally crack the lid in order to release any trapped moisture.
Signs Your Weed Has Gone Bad
Trust your senses here. If there’s a harsh or unpleasant change in smell, if the buds are excessively dry or have turned brittle, it’s time to give up and toss it. This goes double if you spot the telltale signs of mold, including an odor that makes you crinkle your nose, visible fuzzy growth, or patches of greyish white.
Pro tip: Not sure if your flower’s still good? See the signs of good weed vs. bad.
How to Store Weed Without It Smelling
At the end of the day, smell control is less about masking odor and more about sealing it in at the source. Do what’s practical to keep your stash fresh, fragrant, and safe. After all, this isn’t about hiding it; it’s about keeping it fresh. Here’s our top tips:
Odor-Proof Containers
In our experience, weed is best stored in airtight glass jars or metal containers, which can help protect against humidity while also containing its aroma. Metal containers have the added benefit of blocking light, which has a particularly negative effect on the breakdown of THC. Airtight glass beats bags every time. Look for a proper seal, not just a snap-shut lid.
The Importance of Humidity
Speaking of humidity, the relative humidity levels of your storage conditions have a strong impact on the overall quality of your weed. The best relative humidity levels for cannabis are generally agreed to be in the 55% to 62% range. Storing flower at levels below this will generally cause your flower to dry out more quickly. But storing cannabis above 62% relative humidity may increase your chance of developing mold, and that would mean the end of your stash!
There are a number of products designed to help regulate the moisture in your storage environment, and some of them are quite affordable. Two-way humidity packs such as those manufactured by Boveda are simple and easy to use. Just drop one into your storage container and it will increase or decrease the humidity as needed.
Are they strictly mandatory? No. But if they extend the lifespan of your stash, you’d argue they’re worth it.
Where You Store It Matters
We recommend you store your flower in a dark, dry spot with minimal temperature variations. Skip plastic baggies. In fact, skip plastic altogether if you can. Some release harmful compounds such as BPAs (as well as providing a relatively poor shield against the elements). We recommend closed drawers or cabinets away from shared spaces, away from heat sources that can intensify the aroma.
Find Fresh Flower at Seed of Life Labs
Here at Seed of Life Labs, our small-batch, hand-trimmed, lab-tested flower is our pride and joy. That’s why we go the extra mile to seal in the freshness at the source, and it’s why we recommend you make the investment in proper weed storage to keep it tasting its absolute best. Visit any of our Montana locations, check out our new drops, and experience the magic for yourself!
FAQs About How to Store Weed
We don’t recommend it. The swings in moisture and humidity will degrade the fragile trichomes faster than a cool and steady environment will.
Yes, in the short term. But while it’s good for freshness, it can crush the delicate trichomes on flower over time. If you’re wondering how to store weed long term, we recommend a simple airtight container (such as a glass Mason jar) stored in a dark place that maintains reasonably steady temperatures.
We recommend in the 55% to 62% Relative Humidity range. Drier than this risks cracking trichomes, while more humid risks inviting mold and other health and quality risks.
Yes, generally. But there are downsides. It will have lost considerable flavor and potency, resulting in a harsher hit and less flavor. But smoking moist or moldy cannabis presents real health risks. If in doubt, throw it out!
Yes, but only in the short term. Original weed packaging is fine for a few days, but to maintain optimum freshness and flavor, we recommend switching to an airtight jar for storage that can last into weeks and months.
