The calcium oxalate test that makes pet-safe plants easy to spot
Your cat sits three inches from the pothos vine at 2:47pm on a Tuesday, tail swishing near leaves that contain calcium oxalate crystals sharp enough to perforate mouth tissue within 15 minutes of contact. The ASPCA lists 417 toxic species, but 80% share two compounds: oxalates that physically stab soft tissue like microscopic needles, or … Read story









