Pet safety answer · Cited to ASPCA
Is Daffodil safe for dogs?
Why it's toxic
Toxic principles: Lycorine and other alkaloids
Clinical signs in dogs: Vomiting, salivation, diarrhea; large ingestions cause convulsions, low blood pressure, tremors and cardiac arrhythmias. Bulbs are the most poisonous part.
Severity rating: severe
Source
Classification per the ASPCA Toxic and Non-Toxic Plants database entry for Daffodil. Verified 2026-10-01. We update these answers when the source changes the classification.