{"id":"calla-lily","common_names":["Calla Lily","Arum Lily","Trumpet Lily","Pig Lily","White Arum","Florist's Calla","Garden Calla"],"scientific_name":"Zantedeschia aethiopica","urls":{"plant":"https://verdapaw.com/plants/calla-lily","cats":"https://verdapaw.com/plants/calla-lily/cats","dogs":"https://verdapaw.com/plants/calla-lily/dogs","data":"https://verdapaw.com/plants/calla-lily/data.json"},"toxicity":{"cat":{"severity":2,"grade":"S2 Irritant","verdict_sentence":"Calla lily (Zantedeschia, not a true lily) is an irritant to cats (S2 Irritant): its insoluble calcium oxalate crystals cause intense burning of the mouth, drooling, vomiting, and difficulty swallowing — the same mechanism as peace lily, not the kidney failure of true lilies.","toxic_principles":["insoluble calcium oxalates"],"toxic_parts":["all parts (crystals released when chewed)"],"symptoms":[{"sign":"oral irritation; intense burning of mouth, tongue and lips","onset":"not specified in source"},{"sign":"excessive drooling","onset":"not specified in source"},{"sign":"pawing at the mouth","onset":"not specified in source"},{"sign":"vomiting","onset":"not specified in source"},{"sign":"difficulty swallowing","onset":"not specified in source"},{"sign":"decreased appetite","onset":"not specified in source"},{"sign":"swelling of the upper airway (very rare)","onset":"not specified in source"}],"sources":[{"url":"https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/calla-lily","name":"ASPCA","accessed_at":"2026-09-17"},{"url":"https://www.petpoisonhelpline.com/poison/calla-lily/","name":"PPH","accessed_at":"2026-09-17"}],"reviewed_by":"Zhe Li","reviewed_at":"2026-09-17"},"dog":{"severity":2,"grade":"S2 Irritant","verdict_sentence":"Calla lily (Zantedeschia, not a true lily) is an irritant to dogs (S2 Irritant): its insoluble calcium oxalate crystals cause intense burning of the mouth, drooling, vomiting, and difficulty swallowing — the same mechanism as peace lily, not the kidney failure of true lilies.","toxic_principles":["insoluble calcium oxalates"],"toxic_parts":["all parts (crystals released when chewed)"],"symptoms":[{"sign":"oral irritation; intense burning of mouth, tongue and lips","onset":"not specified in source"},{"sign":"excessive drooling","onset":"not specified in source"},{"sign":"pawing at the mouth","onset":"not specified in source"},{"sign":"vomiting","onset":"not specified in source"},{"sign":"difficulty swallowing","onset":"not specified in source"},{"sign":"decreased appetite","onset":"not specified in source"},{"sign":"swelling of the upper airway (very rare)","onset":"not specified in source"}],"sources":[{"url":"https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/calla-lily","name":"ASPCA","accessed_at":"2026-09-17"},{"url":"https://www.petpoisonhelpline.com/poison/calla-lily/","name":"PPH","accessed_at":"2026-09-17"}],"reviewed_by":"Zhe Li","reviewed_at":"2026-09-17"}},"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/calla-lily, reviewed 2026-09-17"}