Tea
Tea keeps 1 to 3 years — black tea longer, green tea shorter. It barely spoils but loses aroma. A smell test tells you if scent is left.
Dry-stored it keeps, but aroma fades
Dried tea is one of the long-keeping pantry staples. Because it contains almost no water, it practically does not spoil — bacteria and mould lack what they need. What tea loses over time is its aroma. The best-before date therefore marks not the end of usability but rather how long the tea keeps its full aroma.
How fast the aroma fades depends on the type. Heavily oxidised black tea is the most stable and holds its aroma two to three years. Green and white tea are more delicate and taste noticeably flatter after six to twelve months. Herbal and fruit teas fall in between. Flavoured teas lose their added aromas fairly quickly too.
Tea's biggest enemies are air, light, heat, moisture — and other smells. Tea is a real odour sponge: stored open next to coffee, spices or onions, it takes on their aromas. So tea belongs airtight, dark and dry, ideally in a light-proof tin, away from strongly smelling foods.
A common mistake is keeping it in a half-closed bag or a clear jar on the windowsill. Both speed up aroma loss considerably. It is best to transfer loose tea into a well-sealing tin right after buying and store it in a cupboard. That way the aroma lasts for months.
How do I spot old tea?
With tea it is the aroma that counts, not the date:
The dry tea barely smells — the aroma has faded.
The tea smells of other foods, because it has drawn in their odours.
Clumpy or musty tea got damp — then check for mould and discard.
Open the tin and smell the dry tea. If it smells strong and typical, there is enough aroma. If it smells only faint, musty or of other foods, it has lost its aroma. When in doubt, brew a cup: if it tastes flat and thin, just use a little more tea or replace it — it stays safe to drink as long as it is dry and mould-free.
Aroma shelf life at a glance
The more oxidised, the longer the aroma lasts:
| Type | Aroma shelf life |
|---|---|
| Black tea | 2–3 years |
| Green/white tea | 6–12 months |
| Herbal/fruit tea | 1–2 years |
| Got damp | discard |
Store it right
This keeps tea aromatic longest:
Seal airtight — air drives out the aroma.
Dark and dry — light and moisture age tea faster.
Away from smells — tea draws in odours from coffee, spices and the like.
Not in the fridge — the moisture there harms more than the cold helps.
Common myths
A few myths surround tea:
No — it is still safe, just weaker in aroma.
No — the moisture makes it clump and draw in odours.
No — black tea longer, green and white tea much shorter.
Brewed tea has a rule of thumb too: at room temperature drink it within a few hours, chilled tea in the fridge by the next day at the latest. Tea left standing overnight in the pot can build up germs and often turns bitter — better to brew fresh.