{"id":"english-ivy","common_names":["English Ivy","Branching Ivy","Glacier Ivy","Needlepoint Ivy","Sweetheart Ivy","California Ivy"],"scientific_name":"Hedera helix","urls":{"plant":"https://verdapaw.com/plants/english-ivy","cats":"https://verdapaw.com/plants/english-ivy/cats","dogs":"https://verdapaw.com/plants/english-ivy/dogs","data":"https://verdapaw.com/plants/english-ivy/data.json"},"toxicity":{"cat":{"severity":1,"grade":"S1 Caution","verdict_sentence":"English ivy is mildly toxic to cats (S1 Caution): its triterpenoid saponins cause vomiting, abdominal pain, drooling, and diarrhea after ingestion, with the foliage more toxic than the berries — an upset stomach, not a systemic poisoning.","toxic_principles":["triterpenoid saponins (hederagenin)"],"toxic_parts":["foliage (more toxic than berries)","berries"],"symptoms":[{"sign":"vomiting","onset":"not specified in source"},{"sign":"abdominal pain","onset":"not specified in source"},{"sign":"hypersalivation","onset":"not specified in source"},{"sign":"diarrhea","onset":"not specified in source"}],"sources":[{"url":"https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/english-ivy","name":"ASPCA","accessed_at":"2026-09-06"},{"url":"https://www.petpoisonhelpline.com/poison/english-ivy/","name":"PPH","accessed_at":"2026-09-06"}],"reviewed_by":"Zhe Li","reviewed_at":"2026-09-09"},"dog":{"severity":1,"grade":"S1 Caution","verdict_sentence":"English ivy is mildly toxic to dogs (S1 Caution): its triterpenoid saponins cause vomiting, abdominal pain, drooling, and diarrhea after ingestion, with the foliage more toxic than the berries.","toxic_principles":["triterpenoid saponins (hederagenin)"],"toxic_parts":["foliage (more toxic than berries)","berries"],"symptoms":[{"sign":"vomiting","onset":"not specified in source"},{"sign":"abdominal pain","onset":"not specified in source"},{"sign":"hypersalivation","onset":"not specified in source"},{"sign":"diarrhea","onset":"not specified in source"}],"sources":[{"url":"https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/english-ivy","name":"ASPCA","accessed_at":"2026-09-06"},{"url":"https://www.petpoisonhelpline.com/poison/english-ivy/","name":"PPH","accessed_at":"2026-09-06"}],"reviewed_by":"Zhe Li","reviewed_at":"2026-09-09"}},"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/english-ivy, reviewed 2026-09-09"}