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The Daily Insight

Do herbs expire?

Author

Ava Mcdaniel

Updated on February 20, 2026

Herbs and spices do not spoil; however, they do lose their flavor and potency over time. Next time you go through your spice cabinet, look at the expiration dates! Typically spices last 2–3 years, but make sure to check the “best by” date.

Can you use expired herbs?

Dried herbs and spices don't truly expire or “go bad” in the traditional sense. When a spice is said to have gone bad, it simply means that it has lost most of its flavor, potency, and color. Fortunately, consuming a spice that has gone bad is unlikely to make you sick.

How long do herbs last after expiration date?

The Lifespan of Spices & Herbs

They can be kept for up to 4-5 years before they become stale. One exception to this rule is whole peppercorns, which last 5-6 years. Dried ground herbs like basil, parsley, and oregano last for 2-3 years.

Can old fresh herbs make you sick?

Fresh herbs and food poisoning

While fresh herbs do not naturally contain bacteria that can make you ill, they can become contaminated because they are grown close to the ground. Eating fresh herbs that have been contaminated with harmful bacteria can make you sick.

Is it OK to use expired thyme?

Yes, provided they are properly stored and the package is undamaged - commercially packaged dried thyme leaves will typically carry a "Best By," "Best if Used By," "Best Before," or "Best When Used By" date but this is not a safety date, it is the manufacturer's estimate of how long the dried thyme leaves will remain ...

Do Spices and Herbs Have an Expiration Date?

Can you get food poisoning from basil?

At least 126 people have developed intestinal illnesses believed to be caused by a rare waterborne parasite after eating basil and pesto from four Sutton Place Gourmet stores, health department officials around the region said yesterday.

How do you know when herbs go bad?

If you follow the proper care, fresh herbs can last for up to three weeks. Below is a quick list of the most common herbs and their average life span. When the herbs start to turn dark, brittle or the stems show signs of mold, it's time to toss them.

Can dried herbs mold?

If plants are dried improperly, they may show signs of mold and mildew in the form of a white downy or black slimy coating. The plants will often smell musty or rotten; these plants must be discarded. Please do not dry herbs in buildings where machine oils or other fumes will be present.

When should you throw out spices?

Ground spices lose their freshness the quickest and typically don't last past six months. The best freshness test for ground spices is to give them a whiff — if they smell like nothing, then it's time to say goodbye. Whole spices, on the other hand, can be fine for up to five years.

How long do spices last after their expiration date?

Under Shelf-Stable Food Safety, the USDA defines spices as a shelf-stable product and in the case of spices, they never truly expire. What occurs over time is that the flavor and potency of that flavor wanes. Whole spices will stay fresh for about four years, while ground spices run between three and four years.

Is it safe to use expired spices?

No, your bad, sad, flavorless spices won't make you sick. Here's the thing: Your spices might be bad, but they're not really expired. The date on the bottle is useful for keeping track of freshness (and remember, freshness equals flavor), but you can still technically use a spice even if it's past that expiration date.

Does cinnamon expire?

Like other powdered spices, ground cinnamon doesn't go bad unless water gets to it. If you notice any signs of mold, any other organic growth, wet spots, or big clumps, throw out it spice. Those are sure signs that water got to the cinnamon. If the powder looks perfectly fine, it's safe to use.

Does Italian seasoning expire?

Properly stored, Italian seasoning will generally stay at best quality for about 2 to 3 years. To maximize the shelf life of Italian seasoning purchased in bulk, and to better retain flavor and potency, store in containers with tight-fitting lids.

What does fungus look like on herbs?

Mold appears on plants as a slimy, brown, or black area. Mold can occur on leaves or stems.. Mildew is a powdery or fuzzy grayish patch. This most often occurs on the leaves but can become noticeable on the stem as well.

Can you eat herbs with mildew?

Powdery mildew won't hurt humans if they touch it. It isn't directly harmful to humans, in the sense that it is poisonous. But still, I will not recommend eating plants or fruits, or using herb leaves that are infected with powdery mildew, because fungi can cause all sorts of allergic reactions for some people.

Why do herbs go black?

Poor nutrition is more likely to result in leaves that curl or turn yellow. At times, severe nitrogen deficiencies (or indeed over-application) can result in yellowing parts of the leaf dying and turning brown or black in color. If you can safely rule out pests, infections, and cold damage, this could be the cause.

Does dried basil go bad?

Do dried basil leaves ever spoil? No, commercially packaged dried basil leaves do not spoil, but they will start to lose potency over time and not flavor food as intended - the storage time shown is for best quality only.

Do dried herbs lose nutrients?

Nutrition. Green herbs lose some nutrients in the drying process. They can also lose nutrients during storage.

How do you store herbs long term?

Hardier herbs can just chill in the refrigerator. The best way to store them is to wrap them in a damp paper towel, and then wrap that in plastic wrap, like a snug little herb burrito.

Does basil have E coli?

Researchers checked cilantro, basil and parsley from almost 50 vendors from 13 farmers markets in Los Angeles and Orange counties in California, and in the Seattle area. Out of almost 150 samples tested, 24 percent were positive for E. coli.

Can you get food poisoning from parsley?

The FDA found E. coli, salmonella and listeria on cilantro, basil, parsley, processed avocados and guacamole. Your favorite herbs could be pretty icky.

What Herb kills salmonella?

We conclude that Schizandrae Fructus has the potential to provide an effective treatment for salmonellosis.

Does paprika expire?

Properly stored, ground paprika will generally stay at best quality for about 3 to 4 years. To maximize the shelf life of ground paprika purchased in bulk, and to better retain flavor and potency, store in containers with tight-fitting lids.

Does garlic powder expire?

Garlic Powder: Lasts 3-4 Years

It completely transforms your dishes but is not as overpowering as fresh garlic. The lovely garlicky flavor can last about 3-4 years.

Does turmeric expire?

To store, keep in a cool dry place, and you can expect turmeric to keep for 18 months or even two or three years with little deterioration.