{"id":"sago-palm","common_names":["Sago Palm","Coontie Palm","Cardboard Palm","Cycad","Japanese Cycad"],"scientific_name":"Cycas revoluta","urls":{"plant":"https://verdapaw.com/plants/sago-palm","cats":"https://verdapaw.com/plants/sago-palm/cats","dogs":"https://verdapaw.com/plants/sago-palm/dogs","data":"https://verdapaw.com/plants/sago-palm/data.json"},"toxicity":{"cat":{"severity":4,"grade":"S4 Emergency","verdict_sentence":"Sago palm is life-threatening to cats (S4 Emergency): every part of the plant — the seeds most of all — contains cycasin, and any amount can cause liver failure and death, with symptoms sometimes delayed for hours.","toxic_principles":["cycasin"],"toxic_parts":["all parts","seeds (nuts) — most toxic"],"symptoms":[{"sign":"vomiting, diarrhea, bloody vomitus","onset":"15 minutes to several hours after ingestion"},{"sign":"melena (dark, tarry stool)","onset":"not specified in source"},{"sign":"increased thirst","onset":"not specified in source"},{"sign":"stumbling gait, weakness, seizures","onset":"not specified in source"},{"sign":"bruising, coagulopathy (failure to clot)","onset":"not specified in source"},{"sign":"icterus (jaundice), liver damage, liver failure; death is possible","onset":"may take up to 48–72 hours"}],"sources":[{"url":"https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/sago-palm","name":"ASPCA","accessed_at":"2026-08-21"},{"url":"https://www.petpoisonhelpline.com/poison/sago-palm/","name":"PPH","accessed_at":"2026-08-21"},{"url":"https://vcahospitals.com/know-your-pet/sago-palm-poisoning","name":"vet-literature","accessed_at":"2026-08-21"}],"reviewed_by":"Zhe Li","reviewed_at":"2026-08-21"},"dog":{"severity":4,"grade":"S4 Emergency","verdict_sentence":"Sago palm is life-threatening to dogs (S4 Emergency): every part of the plant — the seeds most of all — contains cycasin, and any amount can cause liver failure and death, with symptoms sometimes delayed for hours.","toxic_principles":["cycasin"],"toxic_parts":["all parts","seeds (nuts) — most toxic"],"symptoms":[{"sign":"vomiting, diarrhea, bloody vomitus","onset":"15 minutes to several hours after ingestion"},{"sign":"melena (dark, tarry stool)","onset":"not specified in source"},{"sign":"increased thirst","onset":"not specified in source"},{"sign":"stumbling gait, weakness, seizures","onset":"not specified in source"},{"sign":"bruising, coagulopathy (failure to clot)","onset":"not specified in source"},{"sign":"icterus (jaundice), liver damage, liver failure; death is possible","onset":"may take up to 48–72 hours"}],"sources":[{"url":"https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/sago-palm","name":"ASPCA","accessed_at":"2026-08-21"},{"url":"https://www.petpoisonhelpline.com/poison/sago-palm/","name":"PPH","accessed_at":"2026-08-21"},{"url":"https://vcahospitals.com/know-your-pet/sago-palm-poisoning","name":"vet-literature","accessed_at":"2026-08-21"}],"reviewed_by":"Zhe Li","reviewed_at":"2026-08-21"}},"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/sago-palm, reviewed 2026-08-21"}