Coffee does not expire in the strict sense. It degrades, slowly and then abruptly, under four enemies: oxygen, moisture, light and heat. Most people fight only one of them, and unknowingly make the other three worse.
Mistake 1: keeping it in the fridge
This is the most widespread false good idea. A fridge is a humid environment, and coffee is hygroscopic: it absorbs water. It also absorbs odours, with formidable talent. An open bag stored next to cheese or a cooked dish will take on their smell within days.
Worse, every trip out of the cold causes condensation on the surface of the beans. That surface moisture accelerates oxidation and sets the oils. A daily round trip between 4 °C and room temperature damages coffee faster than three weeks on a counter.
The freezer is a separate case. It works, but under one strict condition: vacuum-sealed, in individual portions, taken out once and never refrozen. For everyday home use, that is almost never practical.
Mistake 2: grinding ahead of time
This is the most destructive factor by far. As whole beans, the surface exposed to air is small. Ground, that surface is multiplied several hundred times. The volatile aromatics that give a specialty coffee all its finesse escape within minutes.
In concrete terms: whole bean coffee keeps most of its character for several weeks. The same coffee, ground, loses a noticeable share within a quarter of an hour, and most of it within days.
If you have no grinder, buy smaller quantities more often rather than one large pre-ground bag. That is the only real remedy.
Mistake 3: the clear jar on the counter
It looks good. For the coffee, it is a double penalty: light degrades aromatic compounds, and the counter is often the warmest and dampest spot in the kitchen, especially near the hob, the oven or the kettle.
If you are attached to the jar, choose an opaque one and store it in a cupboard away from heat sources.
Mistake 4: ignoring the bag's valve
The small plastic disc on a coffee bag is not a manufacturing flaw. It is a one-way valve: it lets out the carbon dioxide coffee releases after roasting, without letting oxygen in.
Freshly roasted coffee degasses for several days. Without a valve, the bag would swell or burst. It also means the original bag, properly resealed, is generally the best container you have. Decanting into an ordinary jar is often a step backwards.
Push the air out before resealing, and fold the top of the bag over rather than leaving it open.
Mistake 5: buying too far ahead
Specialty coffee is not a stockpiling product. It gives its best in the weeks following roasting: count roughly three to five days of rest after roasting to let degassing pass, then a comfortable window of a few weeks.
Beyond that, the coffee remains drinkable but flattens out: the bright aromatics go first, leaving only structure. Matching bag size to your actual consumption is more effective than any storage technique. That is also why we offer three formats — 250 g, 500 g and 1 kg — rather than one.
The method that works
It fits in one sentence: whole bean, in its original bag properly resealed, away from light, dry, at a stable room temperature, and ground just before brewing.
Nothing more. No special container, no cold, no home vacuum sealing. Those four habits are enough to preserve most of what you paid for.
Once the coffee is well stored, the rest happens at extraction: our filter brewing guidelines will save you the classic mistakes. And if you want to understand exactly what freshness preserves, our article on processing methods explains where those aromatics come from.
To restock, the full selection is in the Coffees collection.