Is Hosta Toxic to Dogs and Cats? (2026)
Hosta plataginea
Advertisement
Quick facts
| Toxic to dogs | Yes |
|---|---|
| Toxic to cats | Yes |
| Toxic to horses | Yes |
| Toxic component | Saponins |
| Onset of symptoms | Within a few hours |
| Indoor / outdoor | outdoor |
If your pet ate this plant
Both lines are staffed 24/7. A consultation fee applies to each. Do not wait for symptoms to appear before calling.
Advertisement
Symptoms in dogs
- Vomiting
- Diarrhea
- Depression
- Drooling
Symptoms in cats
- Vomiting
- Diarrhea
- Depression
- Drooling
Advertisement
What to do
Usually resolves with monitoring. Hosta is a favorite target for deer and slugs, and unfortunately also appeals to dogs that like to chew on the broad leaves.
Toxic component and mechanism
The toxic component in Hosta is saponins.
What makes this plant different
Hosta is a favorite target of slugs and deer in shade gardens, and unfortunately also appeals to dogs drawn to chew on its broad, textured leaves — the mild saponin toxicity means occasional garden nibbling is a low-grade concern rather than an emergency.
Plant identification
- Scientific name
- Hosta plataginea
- Family
- Liliaceae
- Also known as
- Hosta, Plantain Lily, Funkia
- Typically found
- outdoor
Pet-safe alternatives
Advertisement
Related plants
Aloe
Aloe vera
Asian Lily
Lilium asiatica
Asparagus Fern
Asparagus densiflorus cv sprengeri
Autumn Crocus
Colchicum autumnale
Bamboo Vine
Smilax laurifolia
Last verified: July 2, 2026 · Cross-referenced with ASPCA Animal Poison Control