How to Pick Juicy Lemons (Nimbu) and Keep Them Fresh for Weeks

How to pick good lemons in one line: choose thin, smooth, glossy skin, a fruit that feels heavy, and one that gives slightly under your thumb. Then keep them in a sealed bag in the fridge, where they stay juicy for three to four weeks instead of one. Below: which nimbu is which, how to store lemon without a fridge, how to get every drop out, and lemon vs lime juice.

Before you buy

Juicy: thin, smooth skin, heavy, slight give.
Dry: thick, bumpy, pointed skin, light, rock hard.
Counter: about a week.
Fridge, sealed bag: three to four weeks.
Freezer: juice in ice-cube trays keeps for months.

Prefer to listen? This post as a 6 min video · Video page with transcript

Which nimbu is which

Most “lemons” in Pakistani and Indian markets are really limes. That’s fine; you just need to know what you’re holding.

Kaghzi or desi nimbu: small, round, thin “paper” skin, very juicy and sharply sour. This is a lime. It’s the one for nimbu pani and chaat.
Lemon (the big oval one): larger, oval with a small nipple at the end, thicker skin, milder sourness. Better for zest and salads.
Galgal: the huge, lumpy hill lemon with thick skin. Little juice for its size but a lot of fragrance. Made for achaar.
Green vs yellow: a kaghzi nimbu goes from green to yellow as it ripens. Yellow ones are usually juicier and a bit less harsh. Green ones last longer.

How to pick good lemons: the stall checklist

Look at the skin. Thin, smooth and glossy means juice. Thick, deeply pitted skin means more pith and less juice.
Weigh two of the same size. Keep the heavier one.
Press with your thumb. A slight give is ideal. Rock hard means dry or thick-skinned. Squashy or hollow means it’s old.
Check the ends. A big pointed nipple usually goes with thick skin. Rounder is juicier.
Skip brown, hard patches and any white or green mould near the stem.
Smell it. A fresh lemon smells bright when you scratch the skin lightly. No smell usually means old.
Buy two sizes if prices are high. A few small kaghzi nimbu often give more juice per rupee than one big showy lemon.

How to know if a lemon is bad

Throw it away if it’s mouldy, slimy, smells fermented, or has gone soft and brown inside. A lemon that’s just hard and dry isn’t unsafe; it’s only low on juice. Grate the zest and use the rest in cooking water.

Lemon prices and seasons

Limes grow in both countries almost all year, but supply and demand swing. Prices usually jump in the hot months, when everyone wants nimbu pani, and around Ramadan. They drop when the main crops come in. The practical move is to buy extra when prices are low and store them properly, which is where most people lose money.

How to store lemons so they last for weeks

Lemons dry out because water escapes through the skin. Stop the air, and you stop the drying.

Best: fridge, sealed bag. Put dry, unwashed lemons in a zip bag or a closed box in the fridge. They stay juicy for three to four weeks.
Loose in the fridge: about two weeks, and they go hard.
On the counter: about a week in winter, less in summer heat.
Cut lemon: cut side down on a small plate, covered, in the fridge. Use within two or three days.
Freezer: squeeze the juice into an ice-cube tray, freeze, then tip the cubes into a bag. They keep for months. You can freeze zest the same way.

How to store lemon without a fridge

Choose firm, slightly green lemons, which last longest. Keep them in the coolest, darkest spot you have, spread out so they don’t touch. Some homes wrap each one in newspaper. A clay pot with a damp cloth over the top can help in dry heat, but check daily for mould. Even with care, expect about one to two weeks in summer. If power cuts are long, freezing juice while you do have power is the safest backup.

A lemon stored in a sealed bag in the fridge can outlast one on the counter by three weeks.

How to get more juice out of every lemon

Bring it to room temperature. A cold lemon gives less juice.
Roll it on the counter under your palm, pressing firmly, for about 10 seconds.
Warm it slightly. 10 to 15 seconds in a microwave or a minute in warm water softens it.
Cut lengthwise, not across. You expose more of the juice sacs.
Squeeze with a fork twisted into the flesh, or use a hand press.

Lemon vs lime juice: is there a difference?

For cooking, you can swap them. Both are sour from citric acid. Lemon juice is a little milder and more fragrant; desi lime juice is sharper, so use a bit less. Lemons usually have more vitamin C than limes, but you use them in such small amounts that neither covers much of your day. A whole kinnow or guava does far more for vitamin C than a squeeze of nimbu.

What lemon really does for you

The juice of one lemon has hardly any calories and some vitamin C. Its real value is in cooking: it adds flavour so you need less salt, it helps your body take up iron from dal and greens, and it makes plain water more drinkable. That’s useful. Melting fat or cleaning your liver is not something lemon does. We’ve taken apart the warm lemon water ritual in our empty-stomach lemon water check, and our nimbu pani recipe covers the classic drink.

Three lemon uses worth knowing

Salt-lemon pickle (small jar)

Wash and fully dry 6 kaghzi nimbu. Cut each into 4. Mix with 2 tablespoons of salt and half a teaspoon of haldi. Pack into a clean, dry glass jar and keep it in sunlight, shaking daily, for about three weeks until the skins go soft. Any water or wet spoon can bring mould; throw out a mouldy jar.

Lemon-mint chutney for a quick lunch

Blend a big handful of mint, a handful of coriander, 1 green chilli, a pinch of salt and the juice of 1 lemon with 2 tablespoons of water.

Zest before you squeeze

Grate the yellow skin of a washed lemon before juicing it. A pinch of zest in rice, dal or raita adds fragrance. Skip the white pith, which is bitter.

In desi homes

Nimbu pani for heat, a squeeze on every plate of chana, a lemon cut over a sweaty scalp. Some traditions are solid: fluid and salt from nimbu pani really do help on a hot day, though ORS is what you need for loose motions. Others aren’t. Lemon on the face or scalp in daylight is a known cause of burns and dark streaks, so our melasma guide explains why lemon doesn’t fade dark patches.

Lemon on skin: what’s safe

We don’t recommend neat lemon juice on the face. It’s acidic enough to irritate, and in sunlight it can cause phytophotodermatitis: red burns, blisters and brown streaks that can last months. If you use a diluted lemon rinse on your hands to remove garlic or fish smell, wash it off fully with soap before going outside. Never use lemon on broken skin, and stop if anything stings.

Lemon myths and surprising facts

Myth: lemon is acidic, so it makes your body acidic

Your blood stays in a tight pH range whatever you eat; your kidneys and lungs keep it there. Lemon doesn’t make you “acidic” or “alkaline”.

Myth: yellow lemons are always better

Yellow ones are often juicier, but green ones last longer and are just as sour. Buy a mix if you’re stocking up.

Did you know?

The lemon itself is a hybrid: a cross between the citron, one of the oldest citrus, and the bitter orange.

Worth knowing first

Teeth: sipping lemon water all day bathes enamel in acid. Drink it with meals or through a straw, and rinse with plain water; don’t brush for 30 minutes afterwards. Reflux and ulcers: lemon can trigger burning; stop if it does. Kidney stones: lemon water isn’t a replacement for a doctor’s plan; see our kidney stone home care guide. Skin: no lemon on skin before sun. Babies: no nimbu pani with added sugar or salt under 1.

Lemon buying and storing questions

How to pick good lemons that are juicy?

Pick thin, smooth, glossy skin, a heavy feel and a slight give under your thumb. Rounder lemons with small ends are usually juicier than big pointed ones.

How to keep lemons fresh in the fridge?

Seal dry, unwashed lemons in a zip bag or closed box. This stops water escaping and keeps them juicy for three to four weeks.

How to know if lemon is juicy before buying?

Weight is your best test. A heavy lemon with thin skin that gives slightly is full of juice.

Should lemons be green or yellow?

Both are fine. Yellow is riper and often juicier; green lasts longer. Avoid any with brown hard patches or mould.

Can I freeze lemon juice?

Yes. Freeze it in ice-cube trays and store the cubes in a bag for months. It’s perfect for cooking and nimbu pani.

Why are my lemons hard and dry?

They’ve lost water through the skin, usually from sitting loose on a counter or in the fridge. Roll and warm them to get what juice is left, and store the next batch sealed.

How long do cut lemons last?

Two or three days in the fridge, cut side down and covered. After that they dry out and can grow mould.

Is it safe to eat lemon peel?

Yes, washed peel is edible and the zest is full of flavour. Scrub under running water first, and skip the bitter white pith.

Why do lemons get mould so fast?

Moisture and damage. A wet or bruised lemon grows mould quickly, and it spreads to neighbours. Store dry, and remove any spotted one straight away.

Is lemon water good for kidney stones?

Plenty of fluid is the main thing that helps prevent stones, and lemon makes water easier to drink. It won’t dissolve a stone you already have, so follow your doctor’s plan.

More produce guides in Fruits & Vegetables.