Kumquat Toxic?

Updated 2026-03-06| 3 min read| 1,726 found this helpful

Fortunella margarita (Lour.) Swingle; Citrus margarita Lour.

No confirmed toxic effects have been documented in humans, cats, dogs, or horses in available research.

The plant is not appropriate to be fed to any animals as a regular or supplementary feed source.

All related Fortunella and edible Citrus species are also classified as non-toxic with low risk from accidental exposure.

FAQ

Is Kumquat toxic to Humans?

No known toxicity symptoms reported in available literature; adverse effects are not expected from small accidental ingestion. (Non-toxic)

Is Kumquat toxic to Cats?

No known toxicity symptoms reported in available literature; adverse effects are not expected from small accidental ingestion. (Non-toxic)

Is Kumquat toxic to Dogs?

No known toxicity symptoms reported in available literature; adverse effects are not expected from small accidental ingestion. (Non-toxic)

Is Kumquat toxic to Horses?

No known toxicity symptoms reported in available literature; adverse effects are not expected from small accidental ingestion. (Non-toxic)

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Toxicity Details

Humans

Non-toxic

No known toxicity symptoms reported in available literature; adverse effects are not expected from small accidental ingestion.

Cats

Non-toxic

No known toxicity symptoms reported in available literature; adverse effects are not expected from small accidental ingestion.

Dogs

Non-toxic

No known toxicity symptoms reported in available literature; adverse effects are not expected from small accidental ingestion.

Horses

Non-toxic

No known toxicity symptoms reported in available literature; adverse effects are not expected from small accidental ingestion.

Toxicity Snapshot

Toxic PartsNo toxic parts identified; the plant is considered likely non-toxic per available botanical literature, no toxicity reports exist, but the plant is not suitable for use as animal feed.

Exposure RouteNo identified toxic exposure routes; small accidental ingestion is not expected to cause harm, though intentional feeding of large quantities is not advised.

Toxic CompoundsNo toxic compounds linked to adverse health effects have been identified in existing published research

First Aid & Prevention

First 30 Minutes

• Monitor the subject for any unusual reactions as a precaution if small amounts are ingested
• Rinse the mouth thoroughly with clean water if mild oral irritation occurs
• Remove any remaining plant material from the subject's mouth and surrounding area

Contact Vet Immediately

• If your pet exhibits unusual symptoms like persistent vomiting, diarrhea, or lethargy after ingesting large quantities of the plant
• If grazing livestock have consumed large volumes of the plant over a prolonged period

Prevention

• Do not intentionally feed any part of this plant to pets, livestock, or horses as a food source
• Keep large quantities of harvested plant material out of reach of grazing animals to prevent overconsumption
• Verify plant identification if growing in areas accessible to pets or livestock to avoid confusion with rare toxic Rutaceae family members

Treatment & Prognosis

• No specific treatment is required for small accidental ingestion
• Provide symptomatic and supportive care if ingestion of large quantities leads to mild gastrointestinal upset

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Professional Toxicology

Scientific NameFortunella margarita (Lour.) Swingle; Citrus margarita Lour.

AliasesCumquat、Oval Kumquat、Dwarf Orange、Chinese Mandarin

Toxicity Grade

HumansNon-toxic

CatsNon-toxic

DogsNon-toxic

HorsesNon-toxic

Target Organs

No target organs for toxicity have been identified, as no adverse toxic effects are reported

Mechanism of Action

• No toxic mechanism has been identified, as no toxicity has been documented in available scientific literature

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Cattle, sheep and goats: No documented toxicity risks reported, but large quantity ingestion may cause mild gastrointestinal upset due to high natural acid content in fruit

Small companion mammals (rabbits, guinea pigs): No confirmed toxicity reported, but intentional feeding as part of regular diet is not recommended

Confusion Risk

The following plants look similar and may be confused:

Other Fortunella species Fortunella spp.

Visually similar in glossy leaf and small rounded fruit morphology; all documented Fortunella species are classified as non-toxic with no reported toxicity risks

Edible Citrus species Citrus spp.

Closely related members of the Rutaceae family, share similar bright colored fruit and evergreen leaf structure; most common edible Citrus species are non-toxic

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Related Toxic Plants

Common Rue

Ruta graveolens

Moderate toxicity

Japanese Skimmia

Skimmia japonica

Low to moderate toxicity

Burning Bush

Dictamnus albus

Moderate toxicity

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Data Sources

1. CliniTox (Universität Zürich)

This information is for reference only and does not constitute medical advice. If ingestion or poisoning is suspected, seek medical or veterinary attention immediately.

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