Yes, Giant Hogweed is toxic to dogs!
Dogs accidentally consuming the Giant Hogweed 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).
Giant Hogweed consumption is also toxic to Cats and Horses.
Toxic Principles Of Giant Hogweed: Furanocoumarins.
More Info About The Giant Hogweed Plant
Scientific Name: Heracleum maximum
Family: Apiaceae.
Also known as: Cow Parsnip.
The answer is based on information found on The American Society for the Prevention of Cruelty to Animals (ASPCA) website.
