Barnaby's Thistle

Additional Common Names: Yellow Star Thistle
Scientific Name: Centaurea solstitialis
Family: Compositae
Toxicity: Toxic to Horses
Non-Toxicity: Non-Toxic to Dogs, Non-Toxic to Cats
Toxic Principles: Unknown
Clinical Signs: "Chewing disease" - can chew but unable to swallow, dehydration, malnutrition, death

Credit: Steve Dewey, Utah State University,

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If you suspect your pet may have ingested a potentially toxic substance, call the APCC at (888) 426-4435 or contact your local veterinarian as soon as possible.*

* A $65 consultation fee may apply.

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