Oregano

Also known as: Greek Oregano

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Clinical Signs: Mild vomiting and diarrhea
Family: Lamiaceae
Scientific Name: Origanum vulgare hirtum
Toxic Principles: Gastrointestinal irritants

Source: ASPCA Toxic and Non-Toxic Plants list (dogs), scraped 2026-07-14 from https://www.aspca.org/pet-care/animal-poison-control/dogs-plant-list · view original