Why a Bag of Herbs Rarely Makes It to the Weekend

There is a particular kind of guilt that comes with opening the fridge on a Thursday and finding the coriander you bought on Monday has collapsed into a dark, slimy tangle at the bottom of its plastic sleeve. It cost you under two pounds, but it feels like a small failure — and it is one of the most common forms of kitchen waste in British homes. Herbs are delicate, they are usually sold in far larger bunches than a single meal requires, and most of us store them in the worst possible way: sealed, undamped, and pushed to the back of a cold shelf.

The good news is that herbs are also some of the easiest things to keep alive for a fortnight or more. The fix comes down to three things — humidity, airflow and temperature — plus a small amount of sorting when you get home from the shop.

Prep First: Trim, Sort, and Don't Wash Yet

The five minutes you spend unpacking your herbs when you get home will pay you back several times over. Start by tipping the bunch out, spreading it on a board, and looking at what you actually have.

• Trim the base. Take 1–2 cm off the bottom of the stems with a sharp knife. This opens up the stems so they can take up moisture again, and removes the dried, woody ends that never recover.
• Pick out the casualties. Remove anything yellowed, bruised, spotted or slimy. One decaying leaf will spread rot through the whole bunch within a day.
• Don't rinse them now. Water sitting on the leaves is the single fastest route to slime. Wash herbs in a bowl of cold water just before you use them, then dry them in a tea towel or salad spinner.
• Sort by type. Soft herbs and woody herbs need different treatment, so separate them now rather than discovering the difference later.

The Damp Cloth Method, Step by Step

This is the technique I recommend to anyone who wants their herbs to last, and it costs nothing beyond a clean cloth you already own.

Run a cotton or linen tea towel under cold water and wring it out until it is damp but not dripping — if it leaves a wet patch on the worktop, wring it again. Lay your trimmed herbs in a loose single layer along the cloth. Don't pack them tightly; they need a little air between the stems. Roll the cloth up loosely, like a Swiss roll, and place it inside a sealed container — a glass dish with a lid, a lidded box, or a lidded jar if the bunch is small.

The cloth holds a gentle layer of humidity around the leaves, which stops them wilting, while the sealed container keeps that humidity from escaping and drying them out. Store the container in the salad drawer, which is the coolest and most humid part of most fridges. Check the cloth every couple of days: if it feels dry, dampen it again; if it smells sour, swap it for a fresh one. Treated this way, parsley, coriander, dill and mint will comfortably last seven to ten days, and parsley often pushes two weeks.

Soft Herbs, Woody Herbs, and Basil's One Rule

Parsley, coriander, dill, chervil, tarragon, mint and chives are soft herbs. They wilt quickly and respond beautifully to the damp cloth and sealed container. Chives are the exception to trimming — just wrap the whole bunch.

Rosemary, thyme, sage, oregano and bay are woody herbs with tougher leaves and far less internal moisture. They dislike being wrapped. Instead, stand them upright in a jar with about 2 cm of water in the bottom, cover the tops loosely with a paper bag or a cloth, and keep them in the fridge door or a cool, dark cupboard. They will happily last two to three weeks, and often longer.

Basil is the rebel. It blackens and wilts in the cold, so keep it out of the fridge altogether. Treat it like a bunch of flowers: stand the stems in a jar of water on a windowsill away from direct sun, change the water every other day, and pinch leaves from the top as you need them. It will keep growing and producing for weeks.

Use the Oldest Leaves First

Storage buys you time, but rotation is what stops waste. Get into the habit of reaching for the tired-looking leaves before the fresh ones. A slightly limp leaf is not ruined — it has simply lost some water, and dishes with heat and liquid forgive that completely.

Add older herbs early. Roughly chop them and stir them into soups, stews, ragùs, curries and sauces at the start of cooking, where they will soften and release their flavour into the liquid. Save the perkiest leaves for the end: torn over a finished dish, folded through a salad, scattered on top of flatbreads. If you have a handful left at the end of the week, blitz them with olive oil, garlic, lemon zest and a little salt for an instant salsa verde or pesto that will keep for a week in a jar.

Freeze, Infuse, and Use the Whole Bunch

When you can see you won't get through a bunch in time, freezing is your safety net. Chop the herbs finely, pack them into an ice cube tray, and top each compartment with water or olive oil. Freeze, then tip the cubes into a reusable bag or box. Drop them straight into a hot pan — the oil cubes are especially good for roasting trays and pasta sauces.

Don't throw away the stems, either. Coriander and parsley stems carry as much flavour as the leaves; blitz them into curry pastes, marinades and dressings, or add them to a pot of stock. Basil stems can go into a bottle of olive oil to infuse over a week or two.

And for herbs that have gone past their best but aren't mouldy, there is herb butter, herb salt and gremolata. Mash soft herbs into softened butter with lemon zest and roll into a log for the freezer. Or blitz them with flaky sea salt, spread the mixture on a plate to dry for a day, then store it in a jar. Either way, nothing gets binned, your cooking tastes better, and the plastic sleeves stay out of the bin along with the herbs.