Banks's Grevillea Toxic?

Updated 2026-03-06| 5 min read| 2,744 found this helpful

No verified animal intoxication cases for Grevillea banksii have been published to date

The entire plant is unsuitable for use as feed for any companion or production animal

Direct skin contact in sensitive humans may cause allergic contact dermatitis

FAQ

Is Banks's Grevillea toxic to Humans?

Localized allergic contact dermatitis: rash, itching, redness, and swelling at the site of skin exposure (Low)

Is Banks's Grevillea toxic to Cats?

No published cases of toxicity or associated symptoms are documented (Non-toxic)

Is Banks's Grevillea toxic to Dogs?

No published cases of toxicity or associated symptoms are documented (Non-toxic)

Is Banks's Grevillea toxic to Horses?

No published cases of toxicity or associated symptoms are documented (Non-toxic)

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Toxicity Details

Humans

Low

Localized allergic contact dermatitis: rash, itching, redness, and swelling at the site of skin exposure

Cats

Non-toxic

No published cases of toxicity or associated symptoms are documented

Dogs

Non-toxic

No published cases of toxicity or associated symptoms are documented

Horses

Non-toxic

No published cases of toxicity or associated symptoms are documented

Toxicity Snapshot

Toxic PartsNo specific toxic plant parts are formally identified; the entire plant is unfit for animal consumption, and foliage/sap may trigger human skin allergies

Exposure RouteDirect skin contact (for human allergic reactions), ingestion (potential mild adverse effects in animals, no confirmed cases)

Toxic CompoundsNo specific toxic phytochemicals linked to this species are documented in available scientific literature

First Aid & Prevention

First 30 Minutes

• For human skin contact: Rinse the affected area with cool running water for 10-15 minutes to remove all plant residues
• If ingested by pets/livestock: Rinse the mouth with clean water to remove remaining plant material
• Monitor all exposed individuals and animals for unusual symptoms for 24 hours post-exposure

Contact Vet Immediately

• Your pet or horse develops unusual symptoms (lethargy, skin irritation, digestive upset) after exposure
• A large quantity of the plant was ingested by a small pet, young puppy/kitten, or foal
• Any exposed individual (human or animal) shows signs of severe allergic reaction (airway swelling, difficulty breathing)

Prevention

• Do not plant Grevillea banksii in areas accessible to grazing livestock, pets, or people prone to skin allergies
• Wear long, waterproof gloves and long sleeves when handling this plant to avoid direct skin contact
• Never harvest this plant for use as feed for any animal species

Treatment & Prognosis

• For human allergic contact dermatitis: Use topical antihistamines or corticosteroids as directed by a healthcare provider
• For animal ingestion: Provide supportive care (fluid therapy, anti-emetics for digestive upset) as prescribed by a veterinarian
• Severe allergic reactions require immediate emergency medical or veterinary intervention, including epinephrine if indicated

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Professional Toxicology

Scientific NameGrevillea banksii R.Br.

AliasesByfield-waratah、Dwarf silky-oak、Forster's grevillea、Kahili-flower、Red silky-oak、Red-flower silky-oak、Grévillaire rouge、Grevillea de Banks

Toxicity Grade

HumansLow

CatsNon-toxic

DogsNon-toxic

HorsesNon-toxic

Target Organs

Skin (humans)Gastrointestinal tract (animals, potential mild irritation if large quantities are ingested)

Mechanism of Action

• Allergic reactions in humans are triggered by contact with unidentified allergenic compounds present in plant foliage and sap

• No toxic mechanism for animal species has been identified in published research

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Livestock (cattle, sheep, goats): No confirmed poisoning cases reported, but the plant is not approved for use as livestock feed

Small companion mammals (rabbits, guinea pigs, hamsters): No documented toxicity cases, but ingestion is not advised due to limited safety data

Confusion Risk

The following plants look similar and may be confused:

Other Grevillea species Grevillea spp.

Most Grevillea species share highly similar foliage and inflorescence structure; Grevillea banksii is distinguished by its typical bright red flower clusters and mature height of 2-10m

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Related Toxic Plants

Southern Silky Oak

Grevillea robusta

Low (causes contact dermatitis in humans, mild gastrointestinal irritation in animals if ingested)

King Protea

Protea cynaroides

Low (causes mild digestive upset in pets and livestock if consumed in large quantities)

Blushing Bride Serruria

Serruria florida

Low (contains allergenic compounds that trigger contact dermatitis in sensitive humans)

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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.