{"id":"yew","common_names":["Yew","Japanese Yew","English Yew","Pacific Yew","Western Yew","American Yew","Canada Yew","Canadian Yew","Chinese Yew","Common Yew","European Yew","Florida Yew","Spreading Yew","Anglo-Japanese Yew"],"scientific_name":"Taxus spp.","urls":{"plant":"https://verdapaw.com/plants/yew","cats":"https://verdapaw.com/plants/yew/cats","dogs":"https://verdapaw.com/plants/yew/dogs","data":"https://verdapaw.com/plants/yew/data.json"},"toxicity":{"cat":{"severity":4,"grade":"S4 Emergency","verdict_sentence":"Yew (Taxus spp.) is life-threatening to cats (S4 Emergency): Pet Poison Helpline says ingestion of any amount or part by small animals results in vomiting, diarrhea, severe drooling, seizure, coma, low heart rate, low respiratory rate, and death. The red flesh of the fruit is non-toxic, but the fruit contains a highly toxic small seed. The ASPCA lists sudden death from acute heart failure.","toxic_principles":["Taxine","Taxine A and B","Volatile oil"],"toxic_parts":["any amount or part","highly toxic seed inside the fruit; the red flesh is non-toxic"],"symptoms":[{"sign":"Vomiting, diarrhea, and severe drooling","onset":"not specified in source"},{"sign":"Tremors and difficulty breathing","onset":"not specified in source"},{"sign":"Seizure and coma","onset":"not specified in source"},{"sign":"Low heart rate and low respiratory rate","onset":"not specified in source"},{"sign":"Sudden death from acute heart failure","onset":"not specified in source"},{"sign":"Death","onset":"not specified in source"}],"sources":[{"url":"https://www.petpoisonhelpline.com/poison/japanese-yew/","name":"PPH","accessed_at":"2026-11-04"},{"url":"https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/yew","name":"ASPCA","accessed_at":"2026-11-04"},{"url":"https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/english-yew","name":"ASPCA","accessed_at":"2026-11-04"},{"url":"https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/pacific-yew","name":"ASPCA","accessed_at":"2026-11-04"},{"url":"https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/western-yew","name":"ASPCA","accessed_at":"2026-11-04"},{"url":"https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/american-yew","name":"ASPCA","accessed_at":"2026-11-04"},{"url":"https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/japanese-yew","name":"ASPCA","accessed_at":"2026-11-04"}],"reviewed_by":"auto","reviewed_at":"2026-11-04"},"dog":{"severity":4,"grade":"S4 Emergency","verdict_sentence":"Yew (Taxus spp.) is life-threatening to dogs (S4 Emergency): Pet Poison Helpline says ingestion of any amount or part by small animals results in vomiting, diarrhea, severe drooling, seizure, coma, low heart rate, low respiratory rate, and death. The red flesh of the fruit is non-toxic, but the fruit contains a highly toxic small seed. The ASPCA lists sudden death from acute heart failure.","toxic_principles":["Taxine","Taxine A and B","Volatile oil"],"toxic_parts":["any amount or part","highly toxic seed inside the fruit; the red flesh is non-toxic"],"symptoms":[{"sign":"Vomiting, diarrhea, and severe drooling","onset":"not specified in source"},{"sign":"Tremors and difficulty breathing","onset":"not specified in source"},{"sign":"Seizure and coma","onset":"not specified in source"},{"sign":"Low heart rate and low respiratory rate","onset":"not specified in source"},{"sign":"Sudden death from acute heart failure","onset":"not specified in source"},{"sign":"Death","onset":"not specified in source"},{"sign":"Seizures in dogs","onset":"not specified in source"}],"sources":[{"url":"https://www.petpoisonhelpline.com/poison/japanese-yew/","name":"PPH","accessed_at":"2026-11-04"},{"url":"https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/yew","name":"ASPCA","accessed_at":"2026-11-04"},{"url":"https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/english-yew","name":"ASPCA","accessed_at":"2026-11-04"},{"url":"https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/pacific-yew","name":"ASPCA","accessed_at":"2026-11-04"},{"url":"https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/western-yew","name":"ASPCA","accessed_at":"2026-11-04"},{"url":"https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/american-yew","name":"ASPCA","accessed_at":"2026-11-04"},{"url":"https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/japanese-yew","name":"ASPCA","accessed_at":"2026-11-04"}],"reviewed_by":"auto","reviewed_at":"2026-11-04"}},"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/yew, reviewed 2026-11-04"}