The Science of Ageing
Cigar ageing is a continuation of the fermentation process that began in the tobacco fields and factories. Even after a cigar is rolled, the complex organic compounds within the tobacco leaves continue to break down and recombine. Ammonia and other volatile compounds dissipate, harsh tannins mellow, and new flavour compounds are formed through slow chemical reactions.
This process is driven by residual moisture within the leaves and the natural enzymes present in the tobacco. The rate of transformation depends on temperature, humidity, the tobacco blend, and the density of the roll. Unlike wine, which can turn if aged too long, a well-made cigar stored in proper conditions can improve for decades.
What Changes During Ageing
The most noticeable changes during ageing are a reduction in harshness and an increase in smoothness and complexity. Young cigars often have a "green" or "sharp" edge from residual ammonia and freshly fermented tobacco oils. After 6–12 months, these rough edges soften considerably.
Over years, flavour profiles deepen and integrate. Individual notes that were distinct in a young cigar — pepper, cedar, cream — merge into a unified, harmonious whole. The body may become creamier, the finish longer, and unexpected flavour dimensions may emerge. Some enthusiasts describe well-aged cigars as having a "vintage" quality that cannot be replicated by any other means.
Did you know? The "sick period" is a well-documented phenomenon where recently purchased cigars taste flat or muted for a few weeks after transit. This is caused by the stress of temperature and humidity changes during shipping. Allow new cigars to rest in your humidor for 2–4 weeks before smoking.
Which Cigars Age Best
Not all cigars benefit from extended ageing. Full-bodied, complex cigars with high oil content tend to age the best. Cuban cigars are particularly renowned for their ageing potential, with certain marcas like Cohiba, Partagas, and Bolivar showing dramatic improvement over 5–15 years.
Mild, delicate cigars with lighter wrappers often have less to gain from ageing. Their subtle flavours may actually diminish over time as the lighter oils dissipate. As a general rule, if a cigar is already balanced and smooth, it has less room for improvement through ageing than a young, powerful cigar with rough edges.
Optimal Conditions
For long-term ageing, slightly lower humidity is preferred — around 62–65% RH compared to the standard 65–69% RH for regular storage. Lower humidity slows the ageing process, allowing more gradual and refined flavour development while reducing the risk of mould over extended periods.
Temperature should be cool and stable, ideally 16–18°C (60–65°F). Temperature fluctuations are the enemy of long-term ageing, as they cause the tobacco to expand and contract, potentially cracking wrappers and disrupting the fermentation process. A dedicated wine fridge or cool cellar is ideal for serious ageing collections.
Developing an Ageing Strategy
Buy multiples of cigars you intend to age. The classic approach is to buy a box of 25, smoke one upon arrival, one at 6 months, one at 1 year, one at 2 years, and so on. This allows you to track the evolution of the cigar over time and identify its peak drinking window.
Label your cigars with the purchase date and source. Maintain a dedicated ageing section in your humidor or a separate ageing unit. Be patient — the rewards of ageing are real, but they require discipline. Many of the world’s most prized cigars are enjoyed at 5, 10, or even 20 years of age, and the experience of smoking a perfectly aged cigar is truly unforgettable.
Frequently Asked Questions
How long should you age cigars?
Most premium cigars benefit from at least 6–12 months of rest. Full-bodied Cuban cigars often peak at 3–5 years, with some exceptional marcas improving for 10–20 years. Mild cigars have less ageing potential and are generally best enjoyed within 1–2 years. The key is to buy multiples and sample periodically to find each cigar’s sweet spot.
What is the sick period for cigars?
The "sick period" occurs when recently shipped cigars taste flat or muted due to the stress of temperature and humidity changes during transit. This typically lasts 2–4 weeks. Always allow new cigars to acclimatise in your humidor before smoking them for the best experience.
What humidity is best for ageing cigars long-term?
For long-term ageing, slightly lower humidity of 62–65% RH is recommended, along with a cool, stable temperature of 16–18°C (60–65°F). Lower humidity slows the ageing process for more refined flavour development and reduces mould risk over extended storage periods.