Pet safety answer · Cited to NC State Extension
Is ZZ Plant safe for dogs?
Why it's toxic
Toxic principles: calcium oxalate
Clinical signs in dogs: diarrhea, vomiting if leaves are consumed in quantity
Severity rating: moderate
Source
Classification per the NC State Plant Toolbox (the ASPCA database has no entry for ZZ Plant). Verified 2026-05-28. We update these answers when the source changes the classification.