Giant Hogweed and Dogs: Identification, Exposure and What to Do
Updated July 2026 Giant hogweed is an invasive plant that can cause serious injury to people and pets. The sap contains chemicals called furanocoumarins. These make exposed skin extremely sensitive to ultraviolet light. Contact may cause inflammation, burns, and blistering when the affected area is exposed to sunlight. A dog’s coat provides some protection, but…