Field marigold Toxic?

Updated 2026-03-06| 4 min read| 3,963 found this helpful

Calendula arvensis L.

No confirmed animal poisoning cases from field marigold have been published in existing scientific literature

Field marigold is explicitly not recommended for use as feed for any livestock or companion animals

The plant can be easily misidentified as multiple related Asteraceae species with varying toxicity levels

FAQ

Is Field marigold toxic to Humans?

No reported adverse effects or poisoning symptoms in humans; monitor for mild gastrointestinal irritation if large amounts are ingested (Non-toxic)

Is Field marigold toxic to Cats?

No documented cat poisoning cases; monitor for vomiting or diarrhea if large quantities are consumed (Non-toxic)

Is Field marigold toxic to Dogs?

No documented dog poisoning cases; monitor for unusual lethargy or gastrointestinal discomfort if ingested (Non-toxic)

Is Field marigold toxic to Horses?

No documented horse poisoning cases, though the plant is not considered safe for use as feed (Non-toxic)

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Toxicity Details

Humans

Non-toxic

No reported adverse effects or poisoning symptoms in humans; monitor for mild gastrointestinal irritation if large amounts are ingested

Cats

Non-toxic

No documented cat poisoning cases; monitor for vomiting or diarrhea if large quantities are consumed

Dogs

Non-toxic

No documented dog poisoning cases; monitor for unusual lethargy or gastrointestinal discomfort if ingested

Horses

Non-toxic

No documented horse poisoning cases, though the plant is not considered safe for use as feed

Toxicity Snapshot

Toxic PartsNo toxic plant parts are confirmed via documented poisoning cases; the entire plant is unsuitable for use as animal feed

Exposure RouteIngestion is the primary known exposure route; no contact toxicity has been reported for this species

Toxic CompoundsNo toxic phytochemicals specific to this species have been identified in available research

First Aid & Prevention

First 30 Minutes

• Remove any remaining plant material from the mouth of the exposed individual/animal immediately
• Rinse the mouth thoroughly with clean cool water to eliminate residual plant matter
• Monitor closely for 30+ minutes for any signs of adverse reaction including gastrointestinal discomfort

Contact Vet Immediately

• If the exposed animal displays persistent vomiting, diarrhea, lethargy, or loss of appetite after ingestion
• If a large quantity of the plant was consumed by small pets, young animals, or immunocompromised individuals
• If you cannot confirm the plant is field marigold and suspect it may be a toxic lookalike species

Prevention

• Do not intentionally feed field marigold to any pets, livestock, or small companion mammals
• Remove field marigold growth from grazing areas and pet-accessible spaces if toxic lookalike Asteraceae species grow nearby
• Learn key morphological differences between field marigold and toxic related species to avoid misidentification

Treatment & Prognosis

• No species-specific treatment protocol exists; provide symptomatic care per medical/veterinary guidance if adverse reactions occur

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Professional Toxicology

Scientific NameCalendula arvensis L.

AliasesAcker-Ringelblume、Souci des champs、Souci sauvage、Fiorrancio selvatico

Toxicity Grade

HumansNon-toxic

CatsNon-toxic

DogsNon-toxic

HorsesNon-toxic

Target Organs

No organ damage linked to ingestion of this species has been documented

Mechanism of Action

• No toxic mechanism of action has been identified for this species in existing research

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Cattle, sheep, goats (livestock): No documented poisoning cases, but intentional feeding of this plant is explicitly not advised

Small companion mammals (rabbits, guinea pigs, hamsters): No toxicity data available; avoid intentional feeding to prevent unknown adverse effects

Pet and wild birds: No documented toxicity; avoid large-scale exposure as a precautionary measure

Confusion Risk

The following plants look similar and may be confused:

Other Calendula species Calendula spp.

Visually similar to field marigold; all documented species in this genus are non-toxic

Rudbeckia species Rudbeckia spp.

Similar yellow composite flower structure; toxicity ranges from non-toxic to moderately toxic by species

Aster species Aster spp.

Visually similar composite flowers; all common Aster species are documented as non-toxic

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Related Toxic Plants

Common ragwort

Jacobaea vulgaris

Highly toxic, causes irreversible cumulative liver damage in all species

Yellow starthistle

Centaurea solstitialis

Highly toxic to horses, causes permanent brain damage (nigropallidal encephalomalacia)

Common groundsel

Senecio vulgaris

Moderately toxic, causes liver damage in livestock and small companion pets

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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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