Best Herb Storage Containers: Glass Jars, Herb Keepers, and Reusable Bags Compared

What Each Container Type Does Well

The three most common herb storage containers solve different problems. Glass jars with lids trap humidity and work best when herbs are kept in water. Herb keepers, which are usually plastic or glass with a built-in water reservoir and a vented lid, are designed specifically to keep stems hydrated while letting excess moisture escape. Reusable bags, typically silicone or food-grade plastic, are flexible and take up little space in a fridge drawer.

Your choice depends on the herb. Tender herbs like cilantro, parsley, and dill wilt quickly because their leaves lose water fast. Hardy herbs like rosemary, thyme, and sage have tougher leaves and tolerate drier conditions. A container that works for one group may shorten the life of the other.

This comparison focuses on practical differences: how long each container keeps herbs fresh, how much fridge or counter space it needs, how easy it is to clean, and what it costs over time. None of these options is universally best; each fits a different habit.

Glass Jars: Simple and Effective for Stem-Hydrated Herbs

A plain glass jar or Mason jar works because it lets you store herbs like flowers: stems in water, leaves above. This method is ideal for tender herbs, which can absorb water through their stems and stay crisp for up to two weeks if you change the water every couple of days. The jar itself doesn't need to be special; any clean glass container with a wide enough mouth will do.

The main limitation is that open jars belong on the counter, not in the fridge, unless you cover the top loosely with a plastic bag. In the fridge, open water evaporates and the cold air dries the leaves. A jar with a tight lid can be used in the fridge, but then the herbs sit in their own moisture, which encourages rot for tender varieties.

Glass jars are cheap, easy to clean in a dishwasher, and don't absorb odors. Their drawbacks are breakability and the need for regular water changes. If you forget to change the water, bacteria grow and the stems turn slimy. This container suits people who cook daily and want visible herbs on the counter.

Herb Keepers: Built for the Fridge Drawer

Herb keepers are purpose-built containers, often rectangular so they fit in a refrigerator door or crisper drawer. They have a small water reservoir at the bottom, a perforated tray to hold stems above the water, and a lid with vents that you can open or close. The design keeps the stems hydrated while allowing ethylene gas and excess moisture to escape, which slows decay.

For tender herbs, a good herb keeper can extend freshness from about three days to a week or more, depending on the brand and how quickly you use the herbs. Hardy herbs also do well, though they may not need the water reservoir. Some models include an adjustable vent, letting you close it fully for high-humidity herbs like basil or open it for low-humidity ones like rosemary.

The downsides are price and cleaning. A quality herb keeper costs anywhere from $10 to $25, and the parts must be washed by hand in many cases. The water reservoir can grow mold if you don't empty and dry it every few days. Still, for people who buy herbs weekly and want them to last without daily attention, this is often the most reliable option.

Reusable Bags: Flexible and Space-Saving

Reusable storage bags, made of silicone or food-grade polyethylene, are the most flexible option. They can be laid flat in a crisper drawer, wrapped around a bunch of herbs, or even used for other foods once the herbs are gone. The key is to wash the herbs, dry them thoroughly, then place them in the bag with a folded paper towel to absorb excess moisture.

For tender herbs, a reusable bag with a paper towel can keep cilantro and parsley fresh for about a week. The bag traps some humidity without letting the leaves sit in water. For hardy herbs, the same setup works even longer, often up to two weeks. Unlike jars or herb keepers, bags take up almost no space and can be squished into any gap in the fridge.

Silicone bags are more expensive upfront, typically $10 to $20 each, but they last for years. Plastic zipper bags are cheaper but wear out and must be replaced. The main risk is forgetting to dry the herbs before sealing, which accelerates rot. Bags also don't provide water to the stems, so they won't revive already-wilted herbs the way a jar or herb keeper can.

Side-by-Side Comparison for Quick Decisions

To choose quickly, match the container to how you shop and cook. If you buy herbs in bunches and use them within a few days, a reusable bag is the least fuss. If you want herbs to last a week or more and you have fridge space, an herb keeper is worth the investment. If you prefer a countertop display and don't mind daily water changes, a glass jar is the cheapest and most versatile.

The table below summarizes the key differences. Freshness times are estimates based on typical use and assume you start with fresh, unbruised herbs. Actual results vary with the age of the herbs and your fridge's humidity settings.

Matching the Container to the Herb

Tender herbs are the priority for most people because they spoil fastest. Cilantro, parsley, dill, basil, and mint all benefit from water access, so a jar or herb keeper is better than a bag. Basil is an exception: it prefers cooler temperatures but not ice-cold, and it bruises easily, so store it in a jar on the counter rather than in the fridge.

Hardy herbs like rosemary, thyme, sage, and oregano are more forgiving. They can be stored in a reusable bag with a paper towel in the fridge for up to two weeks without water. They also dry well, but that's covered in a separate article on drying herbs.

A mixed approach works well: use a jar or herb keeper for tender herbs you'll use within a week, and a bag for hardy herbs that can sit longer. This prevents waste without requiring you to buy three different containers.

Care Tips That Matter More Than the Container

No container fixes damaged herbs. Before storing, trim the stem ends at an angle and remove any yellowed or bruised leaves. Wash herbs only right before use, not before storage, because surface moisture invites mold. If you must wash them first, dry thoroughly in a salad spinner or with a clean towel.

Check your fridge's humidity drawer settings. Many crispers have a vent that controls airflow; a closed vent keeps moisture in, which is good for leafy herbs, while an open vent lets it out, which is better for fruits and vegetables that emit ethylene. Herbs are sensitive to ethylene, so store them away from apples, bananas, and tomatoes.

Finally, use herbs sooner rather than later. Even the best container only slows decay; it doesn't stop it. If you regularly have leftover herbs, consider freezing them or drying them, which are covered in other articles on this site.