Why it's dangerous
Ingestion of Tagetes species causes mild gastrointestinal irritation, while the plant's sap can cause irritation to the skin upon contact.
Good to know
Tagetes species (African/French marigold) are mildly irritating, whereas Calendula officinalis (pot marigold) is considered non-toxic.
Sources
This page is informational and is not veterinary advice. If your pet has been exposed to something risky, contact your vet or an animal poison control line right away.