Can Cigars Go Bad? How to Store Your Cigars in Humidor

by jay | Updated on October 4th, 2026

As a cigar enthusiast, you know the importance of proper cigar storage. You’ve invested time and money into your collection, and the last thing you want is for your prized cigars to go bad from the wrong storage conditions.

Just like a fine wine, premium cigars need specific care and attention to keep their quality and flavor.

Unfortunately, many cigar smokers struggle to preserve their cigars properly. They reach for that special smoke only to find it dry, flavorless, or worse, riddled with mold. We understand the frustration of ruining a cherished cigar through a storage mistake.

This guide covers the factors that cause cigars to go bad, the telltale signs of a ruined cigar, and the best practices for storing your cigars in a humidor.

Quick answer: Yes, cigars go bad when stored badly, mainly through mold or drying out. Kept in a seasoned humidor at around 70°F and 65-75% humidity, premium cigars stay fresh for years and can even improve with age.

Can cigars really go bad?

The short answer is yes, cigars can absolutely go bad if not stored correctly.

A pack of cigarettes can be left out for long periods without major consequences. Premium cigars are delicate and require specific humidity and temperature controls to maintain their integrity.

Mold and dryness are the two main culprits:

• Mold: if you’ve ever reached for a cigar only to find it covered in fuzzy white or blue spots, you know the heartbreak of mold.
• Dryness: if your cigar crumbles in your fingers or burns hot and fast with no flavor, it has dried out from improper humidity levels.

As a cigar lover, you’re paying top dollar for a premium product, just like a fine wine or a gourmet meal.

You wouldn’t store your vintage Bordeaux in a warm, damp basement or leave a prime cut of steak on the counter for days. The same principle applies to cigars: incorrect storage can completely ruin the experience you’ve been looking forward to.

How long can cigars stay fresh?

With proper storage, premium handmade cigars can stay fresh and smokable for years, sometimes even decades. Like a fine wine, cigars can even improve with age under the right conditions.

• Sweet spot for aging: most cigar experts agree it’s around 5-10 years. By then the flavors have melded and intensified and the cigar has reached its peak.
• Long-haul aging: it’s not uncommon for well-preserved cigars to be smoked and enjoyed 20, 30, or even 50 years down the line.

The ideal conditions

The key to long-term storage is a consistent environment with the ideal humidity and temperature. The magic numbers most often cited are 70/70: 70 degrees Fahrenheit and 70% relative humidity.

That said, any range between 65-75% humidity can be acceptable. What matters most is consistency.

Frequent fluctuations make the tobacco expand and contract. That cracks the wrapper and leaves the cigar either dried out or over-humidified.

Most wooden desktop humidors, when properly seasoned and maintained, can hold steady in the 65-70% humidity range.

If you’re serious about long-term aging, consider a higher-end humidor with electronic humidity and temperature controls to guarantee the right environment.

So what causes cigars to go bad?

Several factors can send a cigar south, even in a humidor. The biggest offenders are below.

1. Mold

Mold is a cigar collector’s worst nightmare. It thrives in humid environments, and if a humidor is too wet or lacks air circulation, those dreaded fuzzy spots start to appear.

Some argue that a little white “plume” is a sign of a well-aged cigar. In our opinion, the risk of letting actual mold take hold isn’t worth it.

Prevention: keep your humidor properly maintained and don’t let humidity levels creep too high.

2. Dryness

At the other end of the spectrum, a dried-out cigar smokes hot and harsh. It loses all the nuanced flavors and aromas that make the experience worthwhile.

Dry cigars often crumble when handled and may have cracked or flaking wrappers.

Rule of thumb: if your cigar feels light in the hand or makes a hollow “clicking” sound when rolled between your fingers, it’s probably past the point of no return.

3. Pests

Tobacco beetles are tiny insects that lay their eggs in cigars. When the eggs hatch, the larvae burrow through the tobacco, ruining the cigar and possibly infecting others.

Freezing cigars can kill beetle eggs, but it’s really a last resort. The best approach is preventing infestation in the first place:

• Inspect cigars before purchase.
• Never mix different brands or vintages until they’ve been quarantined.

4. Poor quality or construction

Sometimes a cigar is “bad” right off the rolling table because of poor quality control or construction. Common faults include:

• Rolled too tightly: it may be difficult or impossible to draw smoke through it.
• A stem in the filler tobacco: this also blocks the draw.
• A delicate wrapper leaf: prone to tearing or flaking.

There’s not much you can do to prevent the occasional “dud.” Buying from a reputable retailer and inspecting your cigars closely helps weed out the lemons.

5. Improper storage before purchase

Even if you’re doing everything right on your end, the way your cigars were stored before they reached you affects their longevity and quality.

Buy from a shop with good turnover and a knowledgeable staff so you know your cigars were in good hands before they came to you.

How to tell if a cigar has gone bad

Now that you know the main culprits, here’s how to spot a ruined cigar before you invest your time and taste buds. Look for these telltale signs:

1. Dry, crumbly appearance: if your cigar looks more like a twig than a tightly rolled bundle of tobacco, it’s probably too far gone. You may also notice cracks in the wrapper or general brittleness. A healthy cigar should feel slightly springy when gently squeezed.
2. Mold or discoloration: fuzzy white, blue, or green spots mean it’s time to toss it. Mold can also show up as darker discolored spots or splotchy areas on the wrapper. Unless you want your cigar tasting like a musty basement, it’s not worth the risk.
3. Tight draw: if you gently blow through the cigar before lighting and very little air comes through, it’s either too humid or rolled too tightly. Neither makes for a pleasant smoke, so move on.
4. Decayed or rancid smell: a good cigar smells of aged tobacco, sometimes with notes of cedar, spice, or even cocoa. A smell of rotting leaves or a sour, acrid aroma means it’s past its prime and may have been stored badly.
5. Poor taste when lit: you won’t know until you take a few puffs. A harsh, flavorless, or otherwise “off” taste from the start is a good sign the cigar has gone bad. A cigar past its prime may also burn unevenly or go out often, since the tobacco has degraded and lost its oils.

How to choose the right humidor

Now that you know the dangers of improperly stored cigars, let’s talk solutions. A good quality humidor is an essential tool for any serious cigar enthusiast.

Think of your humidor as a safe haven that gives your cigars a consistent environment to keep their freshness, flavor and overall integrity.

It combines humidity control and air circulation behind an airtight seal, trapping moisture inside and protecting your cigars from the outside elements.

When shopping for a humidor, consider these factors:

1. Size: think about how many cigars you keep on hand and how much your collection will grow. Humidors range from small desktop models that hold 20-50 cigars to large cabinets that take hundreds. You can always start small and move up later.
2. Seal: a good humidor has an airtight seal to lock in humidity. Look for a tight-fitting lid and high quality hardware. Some models have a built-in hygrometer on the front so you can check humidity without opening the lid.
3. Spanish cedar lining: this wood is known for holding moisture and repelling tobacco beetles, and its aroma can enhance your cigars’ flavors. Be wary of humidors that use cheaper woods or veneers.
4. Humidification system: either passive or active. Passive systems use a simple humidification device like a sponge or gel unit that you refill with distilled water or humidor solution. Active systems use an electronic humidifier to control and monitor humidity more precisely. Choose what fits your needs and budget.
5. Aesthetics: a humidor can be a handsome piece of furniture and a conversation starter. Finishes include glossy lacquer, matte and rich wood veneers, and some can be personalized with your initials or logo. Just remember that looks come second to how well it protects your cigars.

How to season and maintain your humidor

Once you’ve chosen the perfect humidor, your job is not done. Think of it like a cast iron skillet: it needs to be properly “seasoned” before first use and then maintained over time.

When you first unbox your humidor, resist the urge to throw your cigars in and call it a day. The raw wood interior needs time to absorb moisture so it doesn’t pull humidity away from your cigars.

How to season a new humidor

1. Dampen a clean sponge or cloth with distilled water. Never use tap water, which can contain minerals that damage your humidor or affect the taste of your cigars. Avoid over-saturating the sponge.
2. Gently wipe down all the interior surfaces, including the lid, bottom, and any trays or dividers. Don’t forget the corners.
3. Place the sponge inside the humidor on a plastic bag so it doesn’t touch the wood. Close the lid.
4. Wait 24-48 hours, then repeat the process if the sponge has dried out.
5. Once the interior feels cool to the touch and the hygrometer reads in the 65-75% range, your humidor is ready for cigars.

Regular humidor maintenance

• Check monthly: look at your humidor at least once a month to make sure the humidity is staying consistent. If you live in a very dry or humid climate, or your home sees big temperature swings, check more often.
• Recharge when humidity drops: follow the manufacturer’s instructions for your humidification system. You may need to add more distilled water or humidor solution to the sponge or humidifier unit.
• Rotate your cigars: every few weeks, move them around so the same ones aren’t always next to the humidification source. This evens out humidity and helps prevent mold growth.

How to fix common humidor problems

Even with a well-maintained humidor, issues can arise. Here are the common problems cigar collectors face and how to fix them.

Humidity level too low

Your cigars are starting to dry out, or your hygrometer reads below 65%. Work through these steps:

1. Recharge your humidification system.
2. If humidity is still too low after a day or so, add a secondary source like a gel jar or Boveda pack.
3. In extreme cases, re-season your humidor.

Humidity level too high

Your humidor reads above 75% humidity. Try these fixes in order:

1. Leave the lid open for an hour or so to let some moisture escape.
2. If it’s still too high, remove your humidification device for a day or two until the reading stabilizes.
3. In some cases, adding more cigars can actually help absorb excess moisture.

Mold growth

Mold is a serious issue that can quickly spread to your entire collection. If you see any signs of it:

1. Immediately remove the affected cigars and dispose of them.
2. Gently wipe down the interior with a clean cloth dampened with distilled water.
3. Let it air out completely before adding any new cigars.
4. Consider tossing your humidification device and starting fresh to avoid reintroducing mold spores.

Tobacco beetles

Even if you inspect your cigars before adding them, tobacco beetles can occasionally hitch a ride into your humidor.

Their tiny holes look as if the cigar has been punctured by a pin. The larvae tunnel through the cigar, leaving dust behind and potentially infecting other cigars.

If you suspect an infestation:

1. Immediately quarantine the affected cigars in a ziplock bag.
2. Put the bag in the freezer for at least 48 hours to kill any remaining eggs.
3. Carefully inspect the other cigars in your humidor for signs of damage.

Strange smells in the humidor

You open your humidor expecting the sweet, earthy aroma of a cigar shop and get a whiff of something musty or rancid instead. Don’t panic.

1. Check for any signs of mold or beetles and deal with them as above.
2. If your cigars look fine but the humidor itself has absorbed a foul odor, air it out and re-season it.

Avoid cleaning products and air fresheners. They can soak further into the wood and affect the taste of your cigars.

Key takeaways

• Mold and dryness are the two main ways cigars go bad.
• Aim for about 70°F and 65-75% humidity, and keep it consistent.
• Season a new humidor with distilled water before adding cigars.
• Check humidity at least monthly and rotate your cigars every few weeks.
• Quarantine new or suspect cigars to keep beetles and mold out.

Maintaining a collection of premium cigars is an ongoing labor of love. Expect some trial and error as you figure out what works best for your environment and smoking habits.

The important thing is to stay vigilant and proactive, catching potential issues before they ruin your smokes. With proper care, your cigars will be ready to give you an exceptional smoke whenever the mood strikes.

jay

Self proclaimed cigar expert. I've been smoking since 2010. I've practically lived at a cigar lounge from 10am to 10pm and trying every new cigar that came out for years.