Is Hosta toxic to dogs?

Moderate severity

Yes. It can cause real illness — contact your vet if your pet has been exposed.

Symptoms to watch for

Vomiting
Diarrhea
Anorexia
Lethargy
Blood in stool
Loss of appetite

How vets treat it

Veterinary treatment is not necessary for mild signs that resolve rapidly. Seek veterinary intervention for severe signs like blood in stool or persistent vomiting and loss of appetite for more than one day.

Why it's dangerous

Hostas contain saponins, which are bitter-tasting phytochemicals that cause gastrointestinal distress upon ingestion.

Toxic compound: saponins

Good to know

Hostas are common outdoor ornamental plants; the bitter taste of saponins often limits the amount ingested.

Sources

Pet Poison Helpline

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.

More substances toxic to dogs

African Wonder Tree Extreme severity Andromeda Japonica Extreme severity Angel's Trumpet Extreme severity Autumn Crocus Extreme severity Everything toxic to dogs →

Packaged food? Scan the barcode.

StrawPaw's food scanner reads the barcode on packaged products and flags ingredients that are risky for dogs and cats — before anything reaches the bowl.

Download StrawPaw for iOS