{"id":"daylily","common_names":["Daylily","Day Lily","Orange Day Lily","Hemerocallis"],"scientific_name":"Hemerocallis spp.","urls":{"plant":"https://verdapaw.com/plants/daylily","cats":"https://verdapaw.com/plants/daylily/cats","dogs":"https://verdapaw.com/plants/daylily/dogs","data":"https://verdapaw.com/plants/daylily/data.json"},"toxicity":{"cat":{"severity":4,"grade":"S4 Emergency","verdict_sentence":"Daylily plants of the Hemerocallis genus are life-threatening to cats (S4 Emergency): any amount of leaf, stem, flower, pollen, or even vase water can cause acute kidney failure, and death is possible without early treatment — the same danger as true lilies, in a different genus.","toxic_principles":[],"toxic_parts":["leaf","stem","flower","pollen","vase water","rhizome (root)"],"symptoms":[{"sign":"vomiting","onset":"not specified in source"},{"sign":"inappetence (loss of appetite)","onset":"not specified in source"},{"sign":"lethargy","onset":"not specified in source"},{"sign":"abdominal pain","onset":"not specified in source"},{"sign":"dehydration","onset":"not specified in source"},{"sign":"acute kidney failure; death is possible","onset":"not specified in source"}],"sources":[{"url":"https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/day-lilies-many-varieties","name":"ASPCA","accessed_at":"2026-09-14"},{"url":"https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/orange-day-lily","name":"ASPCA","accessed_at":"2026-09-14"},{"url":"https://www.petpoisonhelpline.com/poison/day-lily/","name":"PPH","accessed_at":"2026-09-14"}],"reviewed_by":"Zhe Li","reviewed_at":"2026-09-15"},"dog":{"severity":0,"grade":"S0 Safe","verdict_sentence":"Daylily plants of the Hemerocallis genus are classified by the ASPCA as non-toxic to dogs (S0 Safe): the kidney failure they cause in cats is not known to affect dogs — the ASPCA notes cats are the only species known to be affected.","toxic_principles":[],"toxic_parts":[],"symptoms":[],"sources":[{"url":"https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/day-lilies-many-varieties","name":"ASPCA","accessed_at":"2026-09-14"},{"url":"https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/orange-day-lily","name":"ASPCA","accessed_at":"2026-09-14"}],"reviewed_by":"Zhe Li","reviewed_at":"2026-09-15"}},"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/daylily, reviewed 2026-09-15"}