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The best ways to store marijuana: Containers, ideal conditions and more

So, you’ve figured out how to get a medical cardВ for marijuana, or just walked into a legal recreational pot shop. You’ve settled on how and where to smoke (or vape) it. You’ve bought a good amount — at least an eighth, or maybe a quarter — meaning you’re not going to burn through it all in a night. You’ve had a joint’s worth or two, and that’s plenty for the moment. В В В

What do you do with the rest of it?

Weed storage was once bound up with secrecy: Successfully hiding it from your dorm’s RA or some other meddling authority figure often took precedence over the actual manner of containment. I myself used to keep it in a Ziploc bag stuffed into a hollowed-out part of an easy chair (my mom found it anyway). But given that marijuanaВ can deteriorate in certain conditions, and the increased openness of weed use as legalization marches on, it’s probably time to figure out some better solutions. Here’s what you need to know about storing your bud to give it the longest possible shelf life.

The ideal conditions for marijuanaВ storage В В

First off, you need to keep marijuanaВ in something. I’m sure nobody is just leaving it in a pile on their desk — right? — because that’ll dry it out, making the smoke incredibly harsh. Even in a plastic baggie, the preferred container for black market dealers, weed will be brittle in a month or so. The plastic jars you get from dispensaries aren’t much better, according to Thrillist, since their “static charge can fry succulent trichomes,” frosty little hairs that carry a great deal of THC, the psychoactive chemical in marijuana.В

Instead of treating your weed like any other medicine, start thinking of it as what it is: an herb. Much like the stuff you use to season your cooking, marijuanaВ does best in the dark (light is part of what makes your weed dry when you leave it out), relative coolness (heat will dry it out as well), and, perhaps counterintuitively, a dry atmosphere (moisture promotes mold, which nobody wants and is dangerous to consume), though, of course, not tooВ dry.В

You also want to limit oxygen exposure and your own physical contact with the buds, as both will accelerate the crumbling of those nice, firm buds into a fine powder — or “shake” — that some find unpleasant to smoke. В В

Best containers for storing marijuana

Now that we have a sense of what it takes to keep your weed fresh, flavorful and potent, the question remains: What exactly do you put it in?

The first answer is obvious to anyone who has stepped into a pot shop or medical dispensary — glass jars. Whenever you buy loose weed, it’s coming out of a sealable glass jar, which cuts down on oxygen exposure and helps maintain stable humidity. Bonus points if you can get one with an airtight lid, available for cheap at any number of homeware stores.В

High TimesВ also notes that you can go for a darker tint on the glass to protect your stash from the sun, and shouldn’t have too much extra spaceВ in the jar, lest the additional air dry the buds out. Overall, this is probably the simplest, safest bet for storage.

Of course, when it comes to marijuana, some people will always prefer to go high-end. That’s where a brand like Infinity Jars comes in. For a few extra bucks, you can keep your weed in a leakproof, smellproof glass jar specifically designed to block out all visible light, thereby extending freshness and potency for longer periods. If you want a true vacuum seal, plus some additional color options, check out the jars from Tightvac.

The jar itself doesn’t have to be placed anywhere in particular — a shelf where it won’t be subject to temperature fluctuations or direct sunlight works just fine.

OK, but what if I want to get really fancy?

You’re in luck. So far we’ve looked at jars that make great weed containers, but now we’ll consider some products that do more than keep out air and light.

One brand name that comes up often here is CVault. These stainless steel, food-grade storage containers come in a variety of sizes and feature several sturdy clamps for the utmost security. They also come with humidifier packets that some stoners claim will rejuvenate your bud even if it’s already dried out.В

Like all the containers discussed above, however, the CVault wasn’t developed with marijuanaВ in mind. For the true connoisseur with cash to burn, you can go for the ultimate in weed luxury: a cannabis humidor. For a couple hundred bucks, you can get set up with a Cannador — a sleek wooden box with all the right cups and drawers for customized storage as well as a humidity sensor that ensures the right moisture ratio. With another accessory, you can even sync the Cannador to your smartphone to monitor humidity and temperature. Nerd alert!

Is this overkill? Maybe. But it’s also pretty darn cool.

Where you definitely shouldn’t keep your weed

A lot of marijuanaВ storage is just common sense. Don’t leave it where kids or pets or mooching roommates can get into it, obviously. Probably don’t wrap it up in aluminum foil and tuck it under your mattress, either. Unless you’re desperate.

Yet there’s one storage strategy stoners have been using for years in the mistaken belief that it will keep their marijuanaВ fresher for longer: putting in the the refrigerator or the freezer. You’d think that, in the same way the fridge prolongs the edibility of fruit, veggies, meat and dairy, it might preserve marijuana’s integrity — when in fact it does the opposite.

Cold actually degradesВ THC and other cannabinoids, and the constant changes in temperature and humidity makes things even worse. The freezer can additionallyВ separate the trichomes (those THC-rich hairs) from the pot itself by crystallizing them into ice-like particles that break off the bud, which is bad news for anybody looking to get high with those nugs. Nevertheless, the myth that you should freeze your weed persists across the internet.

Good thing you know better — and your marijuana will last that much longer.

So, you’ve figured out how to get a medical cardВ for marijuana, or just walked into a legal recreational pot shop. You’ve settled on how and where to smoke (or vape) it. You’ve bought a good amount — at least an eighth, or maybe a quarter — meaning…

Learn How to Store Weed So It Lasts!

How Long is My Weed Good For?

When it comes to storing your cannabis, the method you choose makes a huge difference in how long your buds maintain potency and freshness!

But what’s the best way to store weed? Is it vacuum-sealing? Will freezing your buds hurt them in any way?

I’ve tried a few different methods for storing marijuana over the years, and today I want to share what has and hasn’t worked for me!

Properly Stored Weed Looks Full and Sparkly, with at Least a Little Color Left
(Marijuana buds are often green with orange hairs, but sometimes you’ll see other colors like purple or pink)

Improperly Stored Buds Start Turning Brown and Crumbly
(brown or tan weed isn’t necessarily bad, as well-cured cannabis also loses color, but brown and crumbly nugs are often old or weren’t stored in an airtight container. If there’s just random brown patches on otherwise good-looking weed, it could also be a sign of mold!)

Note: Some people actually prefer the effects of wet-cured or very long-cured buds, which tend to be very smooth and offer unique smells, but can also cause buds to take on a mostly brown or tan appearance. In that case, buds should still “stay together” and not be crumbly. Although there are exceptions, usually buds that have turned brown are losing their overall potency and smell as time goes on.
How to Store Cannabis Properly (so it lasts for years!)

If you grow a lot of cannabis at once, you may want to store it so that it lasts until your next harvest! Some growers only harvest once a year (especially outdoor growers) and may need their bud to last until the next fall harvest!

Luckily it’s pretty easy and cheap to store your bud. You don’t need any special equipment besides an air-tight glass jar!

Air-tight glass jars are the best place to store cannabis buds!

Here are the main methods and tools for storing cannabis, with the pros and cons of each:

What’s the Best Method for Cannabis Storage?

1.) Store in Glass Mason Jars in Cool, Dark Place

A cool (60-70°F or 15-21°C) dark place is the most popular way for growers to store buds, and is one of the best and most effective. Quart-sized glass mason jars are found everywhere from grocery stores to home improvement stores. These are often used for cooking (making preserves or marinades for example), but when it comes to storing cannabis they help maintain potency by protecting buds from moisture and air. Glass jars will also completely contain smells while preventing buds from getting crushed during handling. Make sure jars are at least 3/4 full so there’s not as much air being stored in with the cannabis (if you have less bud, use smaller glass jars). Buds stored in airtight glass jars in a cool, dark place will maintain their potency for a year or more.

2.) Freeze Your Buds (Best for Long-Term Storage)

Once buds are completely dry and have been stored for at least 4 weeks, you can freeze them and they will maintain their potency for years. Some growers double-bag buds in Freezer bags and then wrap the bags in foil. This works okay but you can actually store your buds directly in glass mason jars. If you’ve got a lot of bud that needs to be stored for a long time (multiple years), the freezer is the best way to do it!

Note: You should avoid handling frozen buds as the trichomes (glitter) become brittle and can easily break off at freezing temperatures. Always let frozen buds come to room temperature before handling.
3.) Refrigerate Your Buds (Avoid!)

Buds stored in the fridge tend to mold, even in air-tight containers. Either keep buds outside the fridge or put them in the freezer! If you must use the fridge, it’s especially important to make sure buds are completely dry to avoid mold, and keep them in the back in a crisper where the temperature and humidity don’t fluctuate as much. But again, if possible you should avoid using your refrigerator to store buds just in case; a regular cabinet or drawer is usually better!
4.) Plastic Baggies (Avoid!)

Although this is the most common way for non-growers to store cannabis, it’s one of the worst. Buds lose their smell and tend to get dried out and brittle in plastic baggies. The potency degrades quickly, and the lack of protection means that handling the buds tends to crumble them. Plastic baggies should only be used short term, or avoided altogether. If you need to store a small amount of bud, it’s recommended to get a UV-proof glass stash box (will also prevent smells from leaking out!). As a bonus, a small glass container can help buds continue curing.

Don’t use a plastic baggy!

Note: Freezing buds is controversial because it’s easy to lose trichomes when moving frozen buds. You do need to be extremely careful when handling frozen buds as the trichomes (glitter) become brittle and can easily break off at freezing temperatures.

However, if this does happen you can still collect trichomes from the bottom of the container and use them (just like the kief that falls to the bottom of a grinder!); the trichomes do not “vanish” into the ether!

Additionally, you can dramatically reduce this problem by always letting buds come to room temperature before handling them. The fact of the matter is that buds will stay potent for longer in the freezer than if kept at room temperature, so it’s up to you to decide whether the risk is worth the reward. I can tell you that many growers freeze their buds for years to maintain potency, especially outdoor growers who may harvest pounds at a time.

So if you want to use the refrigerator to store buds, don’t risk mold by using the fridge portion – put your buds in the freezer!

Weird fact: Ever notice that the word ‘refrigerator’ doesn’t have the letter ‘d’ in it, but the word ‘fridge’ does? Although ‘fridge’ and ‘frig’ are technically both acceptable spellings, one proposed explanation is that the word was originally spelled ‘frig’ but adding the ‘d’ and ‘e’ became much more popular since the word is pronounced as if it rhymes with ‘ridge’.
Using Glass for Storage

  • Air-tight and smell-proof
  • Doesn’t stop the curing process, and buds may actually continue to cure and gain potency over time
  • Doesn’t affect the natural smell/taste of buds (unlike plastic, metal and some types of wood)
  • Won’t cause trichomes to break off due to static
  • Buds last for 1+ years in a cool, dark place without losing potency

Using the Freezer for Storage

  • If using Freezer Bags (as opposed to glass jars), buds may lose some of their smell/flavor over time due to the plastic, and are easily damaged from handling in their frozen state. However using glass jars in the freezer will help prevent these problems.
  • Always allow buds to warm up to room temperature before handling to prevent trichomes from falling off into the jar
  • Buds that are frozen will maintain their potency for years

Should I Use a Vacuum Sealer?

You can use a vacuum sealer to take all the air out of a container before long-term storage. You can use these with bags, and you can also use these with actual mason jars!

Vacuum sealing is recommended if you plan on storing buds for a long time, and it’s probably a good idea, but in my experience it hasn’t seemed to do much (at least on its own) to slow down the bud degradation process.

When I experimented with vacuum-sealing buds in mason jars, I found that the vacuum-sealed buds didn’t seem to be any different from the same batch of buds stored in non-vacuum sealed jars. After a year of storage, they looked and smoked the same as far as I could tell.

So even if you do vacuum-seal your buds, make sure to follow all the other steps, too!

Boveda Packs – A Helpful Storage (and Curing) Tool!

Sometimes called Humidipaks (their old brand name), the newly renamed Boveda Packs can basically turn any airtight space into a cannabis humidor. The 62% Boveda Packs are specifically designed for storing cannabis and can be placed in a sealed container with your buds to regulate the humidity to the ideal level for marijuana storage.

Boveda packs also help keep buds from getting dried out or brittle (and can re-hydrate buds that are too dry).

Bonus Use: In addition to storage, for those who have trouble getting buds to cure properly, these can be a valuable part of the curing process! Simply place them in your jars a few days into the jar-burping process to help regulate the humidity.
Buds Must Be Dried and Cured Before Storage

If buds are still fresh and green, they need to be cured before being put into long-term storage!

Example of Fresh Bud (May Feel Wet and Usually Appears Very Green and “Plump”) – Never put fresh bud into long-term storage!

Cured Buds (Color Has Darkened Slightly, Buds Feel More Dense and Are Completely Dry) – Always wait for buds to cure for at least 4 weeks before long-term storage!

Whenever Storing Cannabis Long-Term, Make Sure….

  • Buds Have Been Cured for 4+ Weeks – Buds should be cured at least 4 weeks before being put into long-term storage. The potency and smoothness of your buds is greatly improved during the curing process, and you want to make sure they’ve reached peak potency before you put them in storage. Additionally, the curing process is integral to setting a good moisture level for buds about to be stored long term.
  • Buds Are Dry Enough (55-62% Humidity) – Buds should never feel moist and jars should never “sweat” during the curing process. These are signs the buds still contain too much moisture and aren’t ready for storage. Why? Even in a sealed container you can still get mold, and wetness causes potency to deteriorate faster (and buds turn brown and crumbly)! This is really important, because buds being too wet is one of the biggest factors that cause buds to degrade early. If you have a humidity monitor, you are aiming for humidity around 55-62% RH before putting them into storage. This recommended humidity is a little lower than what’s generally recommended for curing, but helps prevent unwanted biological processes during long-term storage.
  • Keep Buds in the Dark – Avoid letting buds be exposed to light because UV rays cause bud potency to diminish
  • No Heat, No Middling Temperatures – Avoid letting buds be exposed to heat or middling temperatures. The temperature should be 60-70°F (15-21°C) or under 32°F (0°C) for the best results. Don’t let buds get cold, then hot, then cold, etc. Don’t store them near electronics that may heat up. Try to maintain a steady temperature until you’re ready to use your buds.
  • Glass is Best, Avoid Plastic or Metal – Although plastic and metal can be used to store buds in the short term, they can start to affect the smell/taste after a while. Therefore they are not recommended for long-term storage. Plastic also tends to be “static-y” which can cause trichomes to fall off the buds and stick to the sides or the bottom of the container. Your best bet is glass, which is completely airtight and nonporous. Quart-sized mason jars are a tried-and-true storage container, which is why they are so popular for cannabis growers.
  • If You Do Go For a Wood Container… avoid cigar humidors as they can impart a cedar taste. Cannabis-made humidors are usually made out of things like teak, bamboo, acacia, mahogany, cherry or walnut wood, as these won’t affect the smell/flavor of your buds. However, wood doesn’t seem to be as effective as glass when it comes to cannabis storage, and buds won’t last as long when compared to being stored in glass.
  • Avoid the Refrigerator – Although refrigerators might seem like a great idea, they don’t maintain a consistent humidity and temperature. These fluctuations increase the chance of mold and other unwanted biological processes. Keep your buds at a cool room temperature or in the freezer.

Now that you know how to store your marijuana properly, you can enjoy every big harvest for years to come!

Beginner Shopping List (What You Need to Start Growing)

Learn the best way to store your weed so it stays potent and smelling great! Proper storage of cannabis can even make buds feel stronger!