Yes, Queen Anne’s Lace is toxic to dogs!
Dogs accidentally consuming the Queen Anne’s Lace 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).
Queen Anne’s Lace consumption is also toxic to Cats and Horses.
Toxic Principles Of Queen Anne’s Lace: Furanocoumarins.
More Info About The Queen Anne’s Lace Plant
Scientific Name: Ammi majus
Family: Apiaceae.
Also known as: Bishop’s Weed, Greater Ammi.
The answer is based on information found on The American Society for the Prevention of Cruelty to Animals (ASPCA) website.