Yes, Pencil Cactus is toxic to dogs!
Dogs accidentally consuming the Pencil Cactus plants can show the following clinical symptoms: Vomiting, Prolonged Depression, Incoordination, Hypersalivaton, Sleepiness Or Excitation, Dilated Pupils, Low Body Temperature, Low Blood Pressure, Coma, Seizure And Death (In Rare Cases).
Pencil Cactus consumption is also toxic to Cats and Horses.
Toxic Principles Of Pencil Cactus: Irritant Sap (latex).
More Info About The Pencil Cactus Plant
Scientific Name: Euphorbia tirucalli
Family: Euphorbiaceae.
Also known as: Sticks of Fire.
The answer is based on information found on The American Society for the Prevention of Cruelty to Animals (ASPCA) website.
