Pet safety answer · Cited to ASPCA
Is Amaryllis safe for dogs?
Why it's toxic
Toxic principles: Lycorine and others
Clinical signs in dogs: Vomiting (not horses), depression, diarrhea, abdominal pain, hypersalivation, anorexia, tremors
Severity rating: severe
Source
Classification per the ASPCA Toxic and Non-Toxic Plants database entry for Amaryllis. Verified 2026-05-28. We update these answers when the source changes the classification.