For two straight years I bought parsley, used about a quarter of it, and watched the rest rot in the crisper drawer. I figured that was just the price of cooking with fresh herbs. Then a guy at the farmers market told me I was storing them like a barbarian, and honestly? He was right.

The problem is the plastic bag

Fresh herbs suffocate in those sealed produce bags. The leaves stay wet, the stems stay wet, and rot starts at the bottom while the top still looks fine. By the time you reach in, you get a handful of green slime and a bad smell.

Herbs need airflow and a little bit of water at the stem, like cut flowers. Treat them like flowers and they act like flowers.

The jar method that works

Here is the routine I have used for over a year now:

1. Trim the bottom of the stems with scissors, about half an inch.
2. Stand the bunch in a jar with an inch of water, like a bouquet.
3. Loosely drape a plastic bag over the leaves, or tuck the jar in the fridge door where it is less cramped.
4. Change the water every few days and re-trim any stems that go dark.

This works great for parsley, cilantro, and dill. Basil is the exception. Basil hates the cold, so I keep mine in a jar on the counter instead and it lasts over a week there.

Hardy herbs like rosemary and thyme can go a different route. Wrap them in a damp paper towel, slide them into a bag, and they stay good for weeks because they do not need the water pick-me-up.

What changed for me

The last bunch of cilantro I bought lasted nineteen days. I counted, because I could not believe it either. No more half-dead herb piles, no more flavorless dried substitutes when a recipe asks for fresh.

One warning: keep the jar away from the back wall of the fridge. I froze a batch of parsley that way and it turned into a sad green popsicle.

That is the whole trick. Snip, water, cover, repeat.