Are hostas toxic to cats?
Also called: hostas, Plantain Lily, Funkia, Hosta plataginea
Toxic
Causes stomach upset: vomiting, diarrhoea and loss of appetite.
Yes. Hostas are toxic to cats. Eating them can cause vomiting, diarrhoea, loss of appetite and lethargy.
Signs to watch for
- Vomiting, diarrhoea and depression.
Where this comes from
ASPCA Animal Poison Control
Toxicity: Toxic to Dogs, Toxic to Cats, Toxic to Horses
Read "Toxic and Non-toxic Plants: Hosta"
Checked 9 October 2026
Pet Poison Helpline
Stomach upset including vomiting, diarrhea and inappetence may develop after a pet ingests hosta plants.
Read "Top 11 Poisonous Plants"
Checked 9 October 2026
Where this comes from
ASPCA Animal Poison Control
Toxicity: Toxic to Dogs, Toxic to Cats, Toxic to Horses
Clinical Signs: Vomiting, diarrhea, depression.
Read "Toxic and Non-toxic Plants: Hosta"
Checked 9 October 2026
Pet Poison Helpline
Stomach upset including vomiting, diarrhea and inappetence may develop after a pet ingests hosta plants.
Read "Top 11 Poisonous Plants"
Checked 9 October 2026
Where this comes from
International Cat Care
If you’re concerned your cat has come into contact with any of the substances listed, contact your veterinary team immediately
Checked 9 October 2026
Where this comes from
ASPCA Animal Poison Control
Clinical Signs: Vomiting, diarrhea, depression.
Read "Toxic and Non-toxic Plants: Hosta"
Checked 9 October 2026
Pet Poison Helpline
Stomach upset including vomiting, diarrhea and inappetence may develop after a pet ingests hosta plants.
Read "Top 11 Poisonous Plants"
Checked 9 October 2026