Is Geranium Safe for Horses?
Quick answer
Geranium contains compounds harmful to horses. ASPCA lists Pelargonium (geraniums) as toxic to cats and dogs. Ingestion causes vomiting, lethargy, and anorexia. The essential oil (geranium oil) is especially toxic to cats. Keep away from all pets.

Is Geranium safe for horses?
Toxic(moderate)
Geranium contains compounds harmful to horses. ASPCA lists Pelargonium (geraniums) as toxic to cats and dogs. Ingestion causes vomiting, lethargy, and anorexia. The essential oil (geranium oil) is especially toxic to cats. Keep away from all pets.
Sources
- ASPCA Animal Poison Control - Pet toxicity classification
Disclaimer: This page is for general information only and is not veterinary advice. If your horses ate Geranium, contact your veterinarian or animal poison control immediately.