Where celery hides

By Symon, Every Label · June 30, 2026

Celery hides far more in stocks, soups, and spice blends than in the obvious bunch of celery sticks, and in the United States it often is not named on the label at all. That is the part that catches families off guard. Celery is a named, must-declare allergen in the European Union and the United Kingdom, but it is not one of the major allergens under US law, so a US ingredient list can carry celery inside a word like “spices,” “natural flavoring,” or “vegetable stock” without ever printing “celery.” A single stock cube or a “spices” line is often exactly where it is, and the bold “contains” line that protects you for milk or peanut will not flag it here. This page is the celery label-reading guide. Read it once, slowly, and the words start jumping out at you on their own.

Where a fact below is clinical, it carries its source. None of it is a substitute for your allergist. This is the deep version of the hidden-sources summary on the main celery page; that page is the overview, this is the full scan.

Scan this first

If you read nothing else, read this box. These are the words that mean celery, the one thing US labels will not do for you, and the places it hides that are easy to miss.

The words that mean celery on a label: celery, celeriac (also called celery root), celery seed, celery salt, celery extract, and the botanical name Apium graveolens. Celeriac, celery seed, and celery salt are not milder cousins, they are the same allergen as the stalk in a different form, so any one of these means celery is in the product.

The one thing a US label will not do: celery is not a US major allergen, so a US label is not required to declare it. It can sit inside “spices,” “spice blend,” “seasoning,” “natural flavoring,” “vegetable stock,” “broth,” or “bouillon” with no celery call-out at all (falcpa). In the EU and UK it must be named; in the US you have to scan the soft terms yourself.

Where it hides that people miss: celery is a base aromatic, so it turns up in stock cubes, bouillon, broth, soups, and gravies; in spice and seasoning blends, curry powder, and celery salt; in processed and prepared foods; and in dishes built on mirepoix or soffritto. Many of these carry celery inside a generic “spices,” “natural flavoring,” or “vegetable stock” on a US label.

When a term is unclear and the label will not tell you, that is a reason to call the manufacturer, not a reason to assume it is safe.

Where celery hides, by category

Celery’s main culinary job is to be a flavor base, not a visible vegetable, which is exactly why it is hard to spot. Here is where to look.

Processed and packaged foods under non-obvious names. Celery is a foundation aromatic, so beyond the obvious bunch of stalks it turns up in stock cubes, bouillon, broth and stock bases, soups, gravies, and sauces; in spice mixes and seasoning blends, curry powder, and celery salt; and in prepared and ready meals. Celeriac shows up in deli salads and remoulade, and celery salt seasons savory snacks. The tell is in the lexicon below, but the harder problem is the one in the next section: in the US, celery does not have to be spelled out, so it can be hiding inside a generic “spices,” “natural flavoring,” or “vegetable stock” with no warning (mugwort celery review; us labeling, see below).

Cuisines and restaurant dishes. Celery is woven into the base of much cooking. Stocks, braises, soups, and sauces are built on aromatic bases (mirepoix in French cooking, soffritto in Italian, bouquet garni) that conventionally include celery, so a dish can carry it without celery being a visible ingredient. Bloody Mary cocktails and many savory snacks are seasoned with celery salt. Because the proteins survive cooking for a subset of celery-allergic people (see the cooking note below), a cooked dish is not a safe assumption. A chef card that names celery and its hidden forms (celeriac, celery seed, celery salt, stock, mirepoix) in writing does more than a spoken order across a loud kitchen.

A note on cooked celery and on which form you can eat. Celery is not one allergy but two patterns, and the difference matters here. For some people the reaction is a pollen-linked oral allergy whose protein breaks down with heat, so cooked celery troubles them less. For others the relevant protein is heat-stable and survives cooking and processing, so cooked celery, celeriac, celery salt, and celery in stocks and soups remain a risk, and concentrated celery spice is not safer than the stalk. Which pattern applies to a given person, and therefore whether any cooked form is safe, is a question for the allergist and not something a label-reading page can decide for you. Until that is settled, treat cooked celery and celery spice as celery (mugwort celery review; bauermeister 2009).

Non-food: cosmetics, craft, and the kitchen pantry (kept in proportion). Celery-seed material appears in some cosmetics and craft uses, so it is worth a glance at an ingredient list there too. Unlike milk, celery is not a common filler in tablets and capsules, so there is no routine medication-excipient trap to flag here, and this page makes no medication claim it cannot ground. If you have a question about a specific product, the move is to ask, not to assume.

Cross-contact and shared equipment. Spice mills, seasoning and stock production lines, and shared prep surfaces are routes where celery can reach a product that never listed it. This is the route the ingredient list cannot warn you about, and in the US it stacks on top of a label that was not required to name celery in the first place.

The label lexicon

This is the core of the page. These are the exact terms on an ingredient list that mean celery, and the soft terms that can hide it. Learn the shape of them once.

Always celery (treat as the allergen):

• celery
• celeriac, celery root
• celery seed, celery salt, celery extract
• Apium graveolens

(Celery and its forms, from the apiaceae label-scan terms and the celery research. Celeriac, celery seed, and celery salt are the same allergen as the stalk, not milder forms; the seed and salt are concentrated and carry the heat-stable protein.)

Slow-down terms (check, do not assume; in the US these can legally hide celery):

• “spices” or “spice blend”: celery and celery seed are frequently grouped under spices and need not be broken out on a US label
• “seasoning”: compound seasonings can include celery or celery salt with no allergen statement in the US
• “natural flavoring”: celery-derived flavoring can be carried inside it, and the US has no mandatory celery call-out
• “vegetable stock,” “broth,” “bouillon”: celery is a foundational aromatic in stocks, so these commonly contain it without a separate flag in the US
• “curry powder”: commonly contains celery seed
• on a menu or recipe, “mirepoix,” “soffritto,” “bouquet garni,” and “stock base”: aromatic bases that conventionally include celery

Usually a false alarm (worth knowing so you do not over-restrict):

• There is no cleared celery entry for this row. Unlike some allergens, celery does not have a common look-alike term that is safe to ignore, so this page does not list one. If a term reads like it could be celery, treat it as a slow-down term and check, rather than waving it through.

The labeling-law reality

This is the highest-value insight on the page, and it is the opposite of how the milk or peanut label works. For milk, the law makes the ingredient list reliable and the gap is everything around it. For celery in the US, the ingredient list itself may never name the allergen.

Celery is not a US major allergen. In the United States, the major food allergens that must be declared by name are the nine named in federal law (the original eight under the Food Allergen Labeling and Consumer Protection Act, plus sesame, added by the FASTER Act). Celery is not on that list and was not added by the FASTER Act (falcpa). So a US ingredient label is not federally required to declare celery, and celery can legally appear inside a compound term, “spices,” “spice blend,” “seasoning,” “natural flavoring,” “vegetable stock,” “broth,” or “bouillon,” with no celery call-out anywhere. For a US shopper, the bold “contains” statement is not a reliable celery guard, because celery is not the kind of allergen that statement is built to flag, and the place it most often hides, a stock cube or a “spices” line, is precisely the place the contains line stays silent about.

Celery IS declared in the EU and the UK. This is the same product, a different label.

• In the European Union, celery (and celery-derived products such as celery seed, celery salt, and celery extract) is a named allergen under Annex II of Regulation (EU) 1169/2011, and it must be declared on prepacked and non-prepacked foods however small the amount (eu 1169).
• In the United Kingdom, celery is a named allergen under retained EU-derived food law (the same 14-allergen list), and it must be declared, including under the Natasha’s Law requirement for full ingredient labeling on foods that are prepacked for direct sale (uk retained law).

So a celery-allergic reader who relies on a bolded allergen line is protected in the EU and the UK and is not in the US. If you shop across borders, or buy imported products, the same item can carry an explicit celery warning on one label and none on another.

What this means you have to do. Because the US label may not name celery, the work shifts onto you in two places the ingredient list cannot close:

• Scan the soft terms, not just the bold line. “Spices,” “seasoning,” “natural flavoring,” “vegetable stock,” “broth,” and “bouillon” are where US celery hides. Treat them as a stop-and-check, not a pass.
• Call the manufacturer when a soft term is unanswered. A “spices” or “vegetable stock” line with no further detail is a reason to call, not a reason to assume celery is absent. This page cannot tell you a given “spices” line is celery-free, and it will not pretend the absence of the word means the absence of the allergen.

A note on precautionary statements. “May contain celery” and “made in a facility that also handles celery” are voluntary and unregulated, and in the US they sit on top of a label that was not required to name celery in the first place. How strictly you treat them is a personal call along a spectrum, weighing a wider safe-food list against a higher residual exposure risk. This page will not pick that threshold for you; that is a conversation with your allergist.

What is not a hidden source

Over-restricting has a cost too: it shrinks an already-small safe list and wears a family down. So it is worth saying plainly what does not need avoiding, but only where that is genuinely cleared.

For celery, the honest answer is that there is no cleared “this is safe to stop avoiding” correction at this point, so this section stays short on purpose. The reassurances people reach for here, that a cooked or baked dish is safe because heat destroys the protein, or that celery seed and celery salt are milder forms, are not rendered as reassurances on this page. For a subset of celery-allergic people the relevant protein is heat-stable, so cooked celery and the concentrated seed and salt are not safer, and whether cooking helps at all depends on which pattern of celery allergy a person has, which is an allergist question, not a label one. This page holds the line on avoidance and sends those questions where they belong.

How to act on this

The skill is a routine, and it gets fast.

1. Scan the ingredient list, every time, every purchase. Formulations change without notice, so a product that was safe last month can change. Look for the lexicon words above, not just the word “celery.”
2. In the US, scan the soft terms. “Spices,” “seasoning,” “natural flavoring,” “vegetable stock,” “broth,” and “bouillon” are where celery hides on a US label, because celery does not have to be named. Treat each as a stop-and-check.
3. Watch the stocks and spice blends first. Celery is a base aromatic, so stock cubes, bouillon, soups, gravies, seasoning blends, and curry powder are the highest-yield places to look.
4. Use the EU/UK label when you have it. On an imported or EU/UK-market product, celery must be named, so the bold allergen line is reliable there in a way it is not in the US.
5. Do not assume cooked celery is safe. For a subset of people celery’s protein survives heat, and which pattern applies to you is an allergist question. Until it is settled, treat cooked celery and celery spice as celery.
6. Use a chef card for unpackaged food. Name celery and its hidden forms (celeriac, celery seed, celery salt, stock, mirepoix) in writing. Ask specifically about stocks, soups, spice blends, and shared spice mills.
7. Call the manufacturer when a term is unclear. A “spices” or “vegetable stock” line with no answer is a reason to call, not a reason to assume.
8. Decide your precautionary-label rule with your allergist. “May contain celery” is a personal-threshold call; make it once, deliberately, rather than agonizing per product.

Related pages on this site

• Celery allergy: the main profile (the hub this page expands on)
• Celery and the Apiaceae family: do carrot, parsley, fennel, and the celery-family spices cross-react?
• Mugwort-celery-spice syndrome and the pollen-food picture
• Celery recalls

These companion pages are being written and will be linked here as each one goes live.

Frequently asked questions

Does a US label have to say “celery”?

No. Celery is not one of the US major food allergens, so a US ingredient label is not federally required to declare it, and celery can appear inside a compound term like “spices,” “seasoning,” “natural flavoring,” or “vegetable stock” with no celery call-out (falcpa). This is different from the EU and the UK, where celery must be named on the label. For a US product, the safe move is to scan the soft terms and, when a term is unclear, call the manufacturer.

What words on a label mean celery?

Celery, celeriac (celery root), celery seed, celery salt, celery extract, and the botanical name Apium graveolens all mean celery, and they are the same allergen, not milder cousins. “Spices,” “spice blend,” “seasoning,” “natural flavoring,” “vegetable stock,” “broth,” “bouillon,” and “curry powder” are check-it terms, because in the US they can contain celery without naming it.

Where does celery hide that people miss?

Mostly in flavor bases: stock cubes, bouillon, broth, soups, gravies, sauces, spice and seasoning blends, curry powder, and celery salt, plus prepared meals and deli salads (celeriac shows up in remoulade and coleslaw-style salads). Restaurant stocks, braises, and dishes built on mirepoix or soffritto carry it, and Bloody Mary cocktails and savory snacks are often seasoned with celery salt. Many of these carry celery inside a generic “spices,” “natural flavoring,” or “vegetable stock” on a US label.

Is celery seed or celery salt safer than fresh celery?

No. Celery seed, celery salt, and celery extract are the same allergen as the stalk, and the seed and salt are concentrated forms that carry celery’s heat-stable protein. Treat them as full-strength celery, not a milder version.

Does cooking destroy celery?

It depends on the person, so do not assume it does. Celery allergy comes in two patterns: for some people the relevant protein breaks down with heat, and for others it is heat-stable and survives cooking and processing, so cooked celery, celeriac, celery salt, and celery in stocks and soups stay a risk (mugwort celery review; bauermeister 2009). Which pattern applies to you is a question for your allergist, and until that is settled it is safest to treat cooked celery and celery spice as celery.

Do carrot and the celery-family spices count as celery?

No, those are a cross-reactivity question, not a label-reading one. Carrot, parsley, fennel, anise, coriander, and cumin are in the same plant family as celery, so you will see them grouped together, but whether any of them is a risk for a given person belongs on the celery cross-reactivity page and with your allergist. For label-reading, they are not celery; this page does not tell you they are safe and does not tell you they are dangerous.

References and medical review

This page is pending independent medical review; the note at the top of the page applies until a reviewer is assigned. The references below resolve every in-body citation. Celery has no cleared cross-reactivity or hidden-source reassurance on the project’s verified floor, so none is asserted here; the lexicon and scan terms are drawn from the project’s verified celery research and the apiaceae label-scan floor. Where a reference has no resolvable stable identifier, it is listed bibliographically without a link rather than with an unverified URL.

1. Pollen-food (oral allergy) syndrome and celery (Apium graveolens) allergy: the heat-labile PR-10 (Api g 1) oral-allergy phenotype versus the heat-stable nsLTP (Api g 2, Api g 6) phenotype, the cook-does-not-protect-the-LTP-patient caution, the hidden-source aromatic-base enumeration, and the celery management framing. EAACI Molecular Allergology User’s Guide and the celery narrative-review literature. (Listed without a link: no single stable identifier resolves this synthesis.)
2. Bauermeister K, et al. Assessment of component-resolved in vitro diagnosis of celeriac allergy, including the heat-stable celery nsLTP Api g 2. J Allergy Clin Immunol. 2009;124. https://doi.org/10.1016/j.jaci.2009.07.033
3. US FDA. Food Allergen Labeling and Consumer Protection Act of 2004 (FALCPA); the US major food allergens (celery is not included), and the FASTER Act of 2021 (added sesame as the ninth US major allergen; celery was not added). https://www.fda.gov/food/food-allergensgluten-free-guidance-documents-regulatory-information/food-allergen-labeling-and-consumer-protection-act-2004-falcpa
4. Regulation (EU) No 1169/2011, Annex II (celery and celery-derived products, a mandatory declared allergen). https://www.legislation.gov.uk/eur/2011/1169/annex/II
5. UK Food Standards Agency. Food allergy and intolerance (celery is a named allergen the UK requires to be declared, under retained EU-derived food law and the Natasha’s Law full-ingredient-labeling requirement for foods prepacked for direct sale). https://www.food.gov.uk/safety-hygiene/food-allergy-and-intolerance