{"id":"lilac","common_names":["Lilac","Common Lilac"],"scientific_name":"Syringa vulgaris","urls":{"plant":"https://verdapaw.com/plants/lilac","cats":"https://verdapaw.com/plants/lilac/cats","dogs":null,"data":"https://verdapaw.com/plants/lilac/data.json"},"toxicity":{"cat":{"severity":1,"grade":"S1 Caution","verdict_sentence":"Common lilac is low-risk for cats (S1 Caution): Pet Poison Helpline notes garden lilacs are not likely to cause severe symptoms, with large ingestions causing at most mild vomiting or diarrhea — but don't confuse it with Persian lilac (chinaberry), a different and seriously toxic tree.","toxic_principles":[],"toxic_parts":[],"symptoms":[{"sign":"vomiting (large ingestions)","onset":"not specified in source"},{"sign":"diarrhea (large ingestions)","onset":"not specified in source"},{"sign":"lethargy (large ingestions)","onset":"not specified in source"}],"sources":[{"url":"https://www.petpoisonhelpline.com/uncategorized/quick-spring-refreshers/","name":"PPH","accessed_at":"2026-08-26"},{"url":"https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/bead-tree","name":"ASPCA","accessed_at":"2026-08-26"}],"reviewed_by":"Zhe Li","reviewed_at":"2026-08-26"},"dog":null},"license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/","terms":"Free to reuse with attribution to Verdapaw and a link to the plant page."},"cite_as":"Verdapaw Plant × Pet Safety Index, verdapaw.com/plants/lilac, reviewed 2026-08-26"}