Salad has a reputation as one of the worst offenders in the fridge — bought with healthy intentions, then found a week later as a slimy bag at the bottom of the drawer. The short answer: bagged or loose leaves last about 3–5 days, while a whole head can keep 1–2 weeks. The difference comes down to how cut and how wet it is, and a few storage tricks can stretch it considerably. Here’s how to make your lettuce last — and use it before it turns.
- Bagged / loose leaves: 3–5 days.
- Whole intact head: 1–2 weeks.
- Keep it dry and cold — moisture is what turns lettuce slimy.
- Bin it once leaves are slimy, mushy or smell off.
How long lettuce keeps
Shelf life depends mostly on whether the lettuce is whole or cut. A firm, uncut head holds moisture and structure far longer than pre-washed leaves with cut edges that brown and break down quickly. A quick guide, stored in the fridge crisper at 0–5°C (UK FSA):
Sturdier varieties like iceberg and romaine last longest; soft, delicate leaves the shortest.
How to keep lettuce fresh longer
Lettuce hates two things: moisture sitting on the leaves, and ethylene gas. Manage both and you’ll add days:
- Keep it dry. Line a container or bag with kitchen paper to soak up moisture, and don’t wash leaves until you’re ready to eat them — wet storage is what causes slime.
- Use the crisper drawer. It holds humidity at the right level and keeps lettuce away from the coldest spots, where the leaves can pick up chill damage and turn translucent.
- Store it away from fruit. Apples, bananas and tomatoes give off ethylene, which makes leaves wilt faster — see how to organise your fridge.
- Revive it. Wilted-but-fresh leaves often perk up after 15–30 minutes in ice-cold water.
Salad wilts fast and hides in the drawer. Scan your receipt and Fango adds it with a short estimated shelf life, then reminds you before it’s due — so the bag gets eaten, not discovered slimy a week later.
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How to tell if lettuce has gone off
Lettuce makes it obvious when it’s done — the question is whether it’s just wilted (fine) or actually spoiled (bin it):
- Texture: slimy or mushy leaves mean bacterial breakdown — throw them out.
- Sight: dark, watery patches or browning beyond a trimmed edge.
- Smell: a sour or rotten smell is a clear stop sign.
Wilted and limp on its own is fine — that’s water loss, not spoilage, and often reversible. Slime is the real signal.
Because salad has such a short window, it’s one of the items a reminder helps with most — a nudge on day two or three is the difference between a crisp side salad and a slimy bin bag. For more, see how long food lasts in the fridge and what to do when food is about to expire.
Why bagged leaves go slimy faster than a whole head
A whole lettuce is essentially intact: the leaves are still attached, the outer ones protect the inner ones, and there are very few cut surfaces for bacteria to work on. Bagged salad is the opposite — every leaf has been cut, washed and sealed damp into a plastic bag, which is close to ideal conditions for spoilage. That single difference explains most of the gap between three days and two weeks.
Moisture is the mechanism. Water sitting on cut edges lets bacteria multiply and turns leaves translucent and slimy long before they taste of anything. This is why a sheet of kitchen paper in the bag or box genuinely helps: it absorbs the condensation that would otherwise pool at the bottom.
The third factor is company. Apples, bananas, tomatoes and pears give off ethylene as they ripen, and lettuce is sensitive to it — leaves stored next to ripening fruit brown at the edges noticeably faster. Keeping salad in the crisper drawer and fruit somewhere else costs nothing and buys days.
Frequently Asked Questions
How long does lettuce last in the fridge?
Bagged or loose leafy salad keeps about 3–5 days in the fridge, while a whole, intact head of lettuce can last 1–2 weeks. Storage is the deciding factor: keep it dry, in the crisper drawer, and away from fruit that gives off ethylene. Once leaves go slimy or smell off, throw them out.
How do you keep lettuce fresh longer?
Keep it dry and cold. Excess moisture turns lettuce slimy, so line a container or bag with kitchen paper to absorb it, store it in the crisper drawer, and don’t wash leaves until you’re about to eat them. Keeping lettuce away from apples, bananas and tomatoes also helps, as the ethylene they release speeds up wilting.
Can you eat slightly wilted lettuce?
Wilted but otherwise fresh lettuce is fine — a 15–30 minute soak in ice-cold water often revives crispness. But if leaves are slimy, mushy, darkened or smell off, throw them out. Slime is bacterial growth, not just age, so it’s the clear sign to bin it.
How does Fango help you use lettuce in time?
Salad is one of the most wasted foods because it wilts fast and hides in the drawer. Scan your receipt and Fango adds it with a short estimated shelf life, then reminds you before it’s due — so the bag gets eaten while it’s still crisp rather than discovered slimy a week later.
Can you revive limp lettuce?
Often, yes. Limp leaves are usually dehydrated rather than spoiled, and a soak in cold water for 15–30 minutes brings a surprising amount of crispness back. Dry them properly afterwards, because leaves put back into the fridge wet will go slimy quickly. What cannot be revived is anything slimy, translucent or smelling sour — that is bacterial spoilage, not thirst.
Should you wash lettuce before storing it?
For loose leaves and whole heads, wash only what you are about to eat. Washing ahead of time adds the moisture that shortens shelf life, and any water left in the folds of the leaves is exactly where spoilage starts. Bagged salad labelled ready to eat has already been washed, so a second rinse adds risk of contamination from the sink rather than removing any.
Can you freeze lettuce?
Not for salad. Lettuce is mostly water, and freezing bursts the cell walls, so it thaws limp and watery — there is no way back to crisp. What you can do with a bag on its last day is use it cooked: wilted into a soup, stirred through a stir-fry at the end, or blended into a smoothie. Freezing it in portions for that purpose works, as long as you accept it will only ever be a cooked ingredient afterwards.
