How To Know Whether Your Tea Is Fresh & Why It's Important

Did you know that tea can take up to a year to reach supermarket shelves? This is a shame because to get the aromatics, flavours, and tastes that make drinking tea remarkable... teas need to be drunk much sooner after they are produced.

Here's our guide to help you keep your tea fresh.

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  • 02/01/2025
  • 4 minutes
  • Bhavin Lad
How To Know Whether Your Tea Is Fresh & Why It's Important

Did you know that tea can take up to a year to reach supermarket shelves? This is a shame because to get the aromatics, flavours, and tastes that make drinking tea remarkable... teas need to be drunk much sooner after they are produced.

Here's our guide to help you keep your tea fresh.

Green teas and scented teas are the quickest to deteriorate, so make sure you are drinking them within the year they were produced.

How Long Does Tea Stay Fresh For?

In most cases, tea is packed with a three-year shelf life. However, teas don't go 'off' in the same way other food products might, as they're already dried. They will go stale and start to taste flat. This happens quickest for green teas and scented teas. Green teas are fired at high temperatures soon after picking to lock the leaf in its green state. It's impossible to get all of the moisture out from this firing, so with some moisture remaining, the leaf will slowly deteriorate. For scented teas, the fragrance of, for example, jasmine is volatile and so will diminish over time. Black teas are processed differently from green teas, and they tend to have a lower moisture content left in the leaf, so they deteriorate slower – but they do still deteriorate.

Use the best before date as a guide to knowing when the tea was produced – but open the bag and look at the leaves to decide whether it is fresh or not and whether you want to drink it.

The easiest way to tell whether a tea is fresh is to look at the leaves. Here, you can see the older Dragon Well (left) has become much duller in colour compared to the fresh Dragon Well (right), which is greener and brighter. 

How to Keep Your Teas Fresh at Home

Here are our top 5 tips to keep in mind when storing your tea at home to help keep it as fresh as possible:

  1. Air – In a temperate environment, oxygen is what can cause teas to go stale quickly. To avoid this, keep your teas in an airtight container. Zip seal packaging will work in the short term, but airtight tins and caddies are great for longer-term storage.

Airtight tins and caddies are great for long-term tea storage.

  1. Light – Light can also degrade the natural compounds in the leaf, causing discolouration and loss of flavour. So avoid storing your tea in glass jars unless they're stored in a dark cupboard; opt for metal or ceramic tins or caddies.

Avoid storing your tea in glass jars in direct sunlight.

  1. Heat – Like light, heat can damage the integrity of your tea leaves, so avoid storing them in direct sun or in places exposed to heat. For maximum freshness, top-quality green and white teas can be kept in the fridge but away from other foods and well-sealed.

Avoid storing your tea somewhere exposed to heat as this can damage the integrity of the leaves.

  1. Smells – Unknown to most people, this is the biggest culprit for ruining the flavour of your tea. Dry tea can easily soak up hints of contaminating smells from the air, so avoid storing tea near strong-smelling foods like coffee, onions and spices.
  1. Moisture – A final but obvious one for damaging your tea. The only time you want your tea leaves to be wet is when they're being infused, so avoid any damp or wet areas for storage. If you do store tea in the fridge, remember to bring the container up to room temperature before removing the lid, as any condensation that occurs inside will dampen and spoil the tea.

Is Old Tea Ever Good?

Some very specific teas in the right conditions can react differently over time, not going stale but changing in flavour in a positive way. Like good wines and whiskeys, these "aged" teas get better over time and gain in value. The best-known aged teas are from the puerh category, but you will also now find some aged white teas and aged oolong teas. Puerh teas are intentionally aged and are prized among collectors who might seek out a particular vintage or origin. These teas can be aged indefinitely and develop distinct characteristics over time, usually becoming sweeter, earthier and more complex.

No tea will age well without the proper storage conditions though, so aged teas will be meticulously stored and monitored so that the conditions encourage the desired flavours.

We'd always recommend looking for tea that states the season and year and try to ensure you're drinking it within 12 months for the best taste.

Keep Your Tea Fresh: (Recommended products) 

  1. Storage Caddy 
  2. Ai Lao Puerh Cake 
  3. Cooked Puerh Mini Cakes 
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