Canada goldenrod Toxic?

Updated 2026-03-06| 2 min read| 4,196 found this helpful

No published animal poisoning cases involving Solidago canadensis are recorded in available scientific literature.

The species is not suitable for animal feed, and is classified as toxic per the 2003 research of Dietl & Jorquera.

It is easily confused with the highly toxic common ragwort, which poses severe risks to all livestock species.

FAQ

Is Canada goldenrod toxic to Humans?

No specific poisoning symptoms documented in humans to date. (Non-toxic)

Is Canada goldenrod toxic to Cats?

No specific poisoning symptoms documented in cats to date. (Non-toxic)

Is Canada goldenrod toxic to Dogs?

No specific poisoning symptoms documented in dogs to date. (Non-toxic)

Is Canada goldenrod toxic to Horses?

No specific poisoning symptoms documented in horses to date. (Low)

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Toxicity Details

Humans

Non-toxic

No specific poisoning symptoms documented in humans to date.

Cats

Non-toxic

No specific poisoning symptoms documented in cats to date.

Dogs

Non-toxic

No specific poisoning symptoms documented in dogs to date.

Horses

Low

No specific poisoning symptoms documented in horses to date.

Toxicity Snapshot

Toxic PartsNo specific toxic parts identified; the whole plant is classified as unsuitable for animal consumption per available guidance.

Exposure RouteIngestion is the only potential exposure route; no contact or inhalation toxicity has been documented for this species.

Toxic CompoundsToxic compounds for this species have not been explicitly identified in published research to date

First Aid & Prevention

First 30 Minutes

• If ingested by a person or pet, rinse any remaining plant matter from the mouth with clean water
• Monitor the exposed individual for unusual symptoms for 24 hours following ingestion
• Do not induce vomiting unless explicitly instructed to do so by a medical or veterinary professional

Contact Vet Immediately

• If your animal exhibits unusual symptoms (vomiting, diarrhea, lethargy) after consuming the plant
• If a large quantity of the plant was ingested by a small pet or grazing animal
• If you are uncertain if the consumed plant is Canada goldenrod or the highly toxic lookalike ragwort

Prevention

• Do not plant Canada goldenrod in pastures or areas accessible to grazing livestock
• Learn to distinguish between Canada goldenrod and the highly toxic common ragwort to avoid misidentification
• Never feed unknown wild forage to pets, horses, or other livestock

Treatment & Prognosis

• No specific antidote exists; treatment is supportive based on any presented symptoms
• If ingestion of the toxic lookalike ragwort is suspected, seek immediate veterinary care for decontamination and liver support
• For minor incidental ingestion, no medical intervention is typically required unless symptoms develop

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Professional Toxicology

Scientific NameSolidago canadensis L.

AliasesCanadian goldenrod、Kanadische Goldrute、Solidage du Canada、Verga d'oro del Canada

Toxicity Grade

HumansNon-toxic

CatsNon-toxic

DogsNon-toxic

HorsesLow

Target Organs

No specific target organs identified due to lack of documented poisoning cases

Mechanism of Action

• Toxic mechanism for this species has not been identified in existing scientific research

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Grazing livestock (cattle, sheep, goats): Plant is explicitly unsuitable for use as feed, though no confirmed poisoning cases have been published

Wild animals: No documented adverse effects from natural ingestion of this species

Confusion Risk

The following plants look similar and may be confused:

Other goldenrod species Solidago spp.

Closely related members of the same genus with nearly identical yellow flowering spikes; most share similar low/no documented animal toxicity profiles

Common ragwort Jacobaea vulgaris (syn. Senecio jacobea)

Similar tall stature and bright yellow composite flowers; ragwort is highly toxic to all livestock, causing irreversible liver damage, unlike Canada goldenrod

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Related Toxic Plants

Common ragwort

Jacobaea vulgaris

Severe

Common groundsel

Senecio vulgaris

Moderate

Common cocklebur

Xanthium strumarium

High

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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.