Weeping Bottlebrush Toxic?

Updated 2026-03-06| 2 min read| 1,363 found this helpful

Callistemon viminalis is classified as non-toxic to cats, dogs, and horses per verified plant toxicology data

No severe adverse reactions are expected from accidental ingestion or skin contact with this plant for the assessed species

Excessive consumption may still cause mild, transient gastrointestinal upset in sensitive individual animals or humans

FAQ

Is Weeping Bottlebrush toxic to Humans?

No documented toxic symptoms; excessive ingestion may cause mild temporary nausea or stomach discomfort (Non-toxic)

Is Weeping Bottlebrush toxic to Cats?

No known toxic symptoms; very rare mild loose stools or vomiting may occur after ingestion of extremely large quantities (Non-toxic)

Is Weeping Bottlebrush toxic to Dogs?

No known toxic symptoms; very rare mild loose stools or vomiting may occur after ingestion of extremely large quantities (Non-toxic)

Is Weeping Bottlebrush toxic to Horses?

No known toxic symptoms; very rare mild gastrointestinal upset may occur after ingestion of extremely large quantities (Non-toxic)

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Toxicity Details

Humans

Non-toxic

No documented toxic symptoms; excessive ingestion may cause mild temporary nausea or stomach discomfort

Cats

Non-toxic

No known toxic symptoms; very rare mild loose stools or vomiting may occur after ingestion of extremely large quantities

Dogs

Non-toxic

No known toxic symptoms; very rare mild loose stools or vomiting may occur after ingestion of extremely large quantities

Horses

Non-toxic

No known toxic symptoms; very rare mild gastrointestinal upset may occur after ingestion of extremely large quantities

Toxicity Snapshot

Toxic PartsNo identified toxic plant parts; all foliage, flowers, and stems are considered non-toxic to cats, dogs, and horses

Exposure RoutePotential exposure routes include accidental ingestion, skin contact, and pollen inhalation, none of which trigger toxic effects for the assessed species

Toxic CompoundsNo toxic compounds that pose risk to cats, dogs, or horses have been identified in this species

First Aid & Prevention

First 30 Minutes

• Rinse the mouth of the affected animal or person with clean water if large amounts of plant material are ingested
• Monitor for mild gastrointestinal symptoms such as loose stools or slight lethargy for 2 to 4 hours post-exposure
• Offer small amounts of fresh water to dilute any residual plant material in the digestive tract

Contact Vet Immediately

• If persistent vomiting, diarrhea, or unusual lethargy lasts longer than 12 hours after ingestion of large quantities
• If the affected individual has a known history of severe plant allergies or extreme digestive sensitivities

Prevention

• Store large piles of freshly pruned plant material out of reach of young children and small pets to avoid excessive intake
• No special containment is required for regular household planting, as the species poses no toxic risk to common domestic animals

Treatment & Prognosis

• Supportive care only, such as small frequent meals, if mild gastrointestinal symptoms occur
• No specific antidote is required, as no toxic effects are expected from standard exposure levels

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Professional Toxicology

Scientific NameCallistemon viminalis

AliasesWeeping Bottlebrush、Prickly Bottlebrush、Crimson Bottlebrush

Toxicity Grade

HumansNon-toxic

CatsNon-toxic

DogsNon-toxic

HorsesNon-toxic

Target Organs

No specific organ toxicity has been reported for this plant species

Mechanism of Action

• No toxic mechanism has been identified, as the plant contains no compounds harmful to the assessed animal species

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Small mammals (rabbits, guinea pigs): No documented toxicity; excessive consumption may lead to mild digestive disturbances

Pet birds: No known toxic effects; small quantities of foliage or flowers are considered safe for most pet bird species

Ruminant livestock (cattle, sheep, goats): No reported toxicity; the plant is commonly browsed by livestock without adverse reactions

Confusion Risk

The following plants look similar and may be confused:

Rosemary Grevillea Grevillea rosmarinifolia

Visually similar due to its elongated red brush-like flowers; key difference is that Grevillea leaves are narrower and more needle-like, and some Grevillea species carry mild toxicity risk

Lemon Bottlebrush Callistemon citrinus

Nearly identical in appearance with similar red brush flowers; key difference is that C. citrinus leaves release a faint citrus scent when crushed, while C. viminalis leaves do not

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Related Toxic Plants

Blue Gum Eucalyptus

Eucalyptus globulus

Moderate toxicity (causes gastrointestinal upset and neurological symptoms in pets if ingested)

Tea Tree

Melaleuca alternifolia

Low to Moderate toxicity (undiluted essential oil is toxic to cats and dogs if ingested or applied topically)

Manuka

Leptospermum scoparium

Low toxicity (excessive ingestion may cause mild gastrointestinal upset in pets)

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Data Sources

1. ASPCA Animal Poison Control

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