Which plants are toxic to cats and dogs

Whether 50 common houseplants and garden plants are toxic to cats and dogs, from the ASPCA's toxic and non-toxic plant list. If you think your pet has eaten a toxic plant, call your vet straight away.

Which plants are toxic to cats and dogs
PlantScientific nameCatsDogsToxic principlesClinical signs
African VioletSaintpaulia spp.Non-toxic to catsNon-toxic to dogs
AloeAloe veraToxic to catsToxic to dogsSaponins, anthraquinonesVomiting (not horses), lethargy, diarrhea. The gel is considered edible.
Areca PalmDypsis lutescensNon-toxic to catsNon-toxic to dogs
AzaleaRhododendron sppToxic to catsToxic to dogsGrayantoxinVomiting (not in horses), diarrhea, weakness, cardiac failure
Baby Rubber PlantPeperomia obtusifoliaNon-toxic to catsNon-toxic to dogs
BasilOcimum basilicumNon-toxic to catsNon-toxic to dogs
BegoniaBegonia spp.Toxic to catsToxic to dogsSoluble calcium oxalatesKidney failure (in grazing animals), vomiting, salivation in dogs/cats. Most toxic part is underground.
Bird of ParadiseCaesalpinia gilliesiiToxic to catsToxic to dogspossibly hydrocyanic acidOral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting, diarrhea, difficulty swallowing and incoordination is possible. Deaths in rabbits have been reported. Should not be confused with the less toxic Strelitzia reginae.
Boston FernNephrolepis exalta bostoniensisNon-toxic to catsNon-toxic to dogs
CalatheaCalathea spp.Non-toxic to catsNon-toxic to dogs
Cast Iron PlantAspidistra elatiorNon-toxic to catsNon-toxic to dogs
Chinese EvergreenAglaonema modestumToxic to catsToxic to dogsInsoluble calcium oxalatesOral irritation, pain and swelling of mouth, tongue and lips, excessive drooling, vomiting (not horses), difficulty swallowing
Christmas CactusSchlumbergera bridgesiiNon-toxic to catsNon-toxic to dogs
ChrysanthemumChrysanthemum spp.Toxic to catsToxic to dogsSesquiterpene, lactones, pyrethrins and other potential irritantsVomiting, diarrhea, hypersalivation, incoordination, dermatitis
Corn PlantDracaena fragransToxic to catsToxic to dogsSaponinsVomiting (occasionally with blood), depression, anorexia, hypersalivation, dilated pupils (cats).
CyclamenCyclamen sppToxic to catsToxic to dogsTerpenoid saponinsSalivation, vomiting, diarrhea. Following large ingestions of tubers: heart rhythm abnormalities, seizures, death
DaffodilNarcissus sppToxic to catsToxic to dogsLycorine and other alkaloidsVomiting, salvation, diarrhea; large ingestions cause convulsions, low blood pressure, tremors and cardiac arrhythmias. Bulbs are the most poisonous part.
DieffenbachiaDieffenbachiaToxic to catsToxic to dogsInsoluble calcium oxalates, proteolytic enzymeOral irritation, intense burning and irritation of mouth , tongue and lips, excessive drooling, vomiting, difficulty swallowing
DracaenaDracaena spp.Toxic to catsToxic to dogsSaponinsVomiting (occasionally with blood), depression, anorexia, hypersalivation, dilated pupils (cats).
Easter LilyLilium longiflorumToxic to catsNon-toxic to dogsUnknownVomiting, inappetence, lethargy, kidney failure, and death is possible. Cats are only species known to be affected.
English IvyHedera helixToxic to catsToxic to dogsTriterpenoid saponins (hederagenin)Vomiting, abdominal pain, hypersalivation, diarrhea. Foliage is more toxic than berries
GeraniumPelargonium speciesToxic to catsToxic to dogsGeraniol, linaloolVomiting, anorexia, depression, dermatitis
Golden PothosEpipremnum aureumToxic to catsToxic to dogsInsoluble calcium oxalatesOral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting, difficulty swallowing.
Heartleaf PhilodendronPhilodendron hederaceumToxic to catsToxic to dogsInsoluble calcium oxalatesOral irritation, pain and swelling of mouth, tongue and lips, excessive drooling, vomiting (not horses), difficulty swallowing
HyacinthHyacinthus orientalisToxic to catsToxic to dogsPossibly narcissus-like alkaloidsIntense vomiting, diarrhea, occassionally with blood, depression and tremors.
HydrangeaHydrangea arborescensToxic to catsToxic to dogsCyanogenic glycosideVomiting, depression, diarrhea. Cyanide intoxication is rare - usually produces more of a gastrointestinal disturbance.
Jade PlantCrassula argenteaToxic to catsToxic to dogsUnknownVomiting, depression, incoordination
KalanchoeKalanchoe sppToxic to catsToxic to dogsBufodienolidesVomiting, diarrhea, abnormal heart rhythm (rare).
LavenderLavendula angustifoliaToxic to catsToxic to dogsLinlool, linalyl acetateNausea, vomiting (not in horses), inappetant
Lily of the ValleyConvallaria majalisToxic to catsToxic to dogsCardenolides (convallarin, and others)Vomiting, irregular heart beat, low blood pressure, disorientation, coma, seizures
MintMentha sp.Toxic to catsToxic to dogsEssential OilsVomiting and diarrhea with large ingestions
Money TreePachira aquaticaNon-toxic to catsNon-toxic to dogsNoneNausea, vomiting and loose stool
OleanderNerium oleanderToxic to catsToxic to dogsCardiac glycosidesDrooling, abdominal pain, diarrhea, colic, depression, death
Parlor PalmChamaedorea elegansNon-toxic to catsNon-toxic to dogs
Peace LilySpathiphyllumToxic to catsToxic to dogsInsoluble calcium oxalatesOral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting, difficulty swallowing.
Phalaenopsis OrchidPhalaenopsis sp.Non-toxic to catsNon-toxic to dogs
Philodendron PertusumPhilodendron sppToxic to catsToxic to dogsInsoluble calcium oxalatesOral irritation, pain and swelling of mouth, tongue and lips, excessive drooling, vomiting (not horses), difficulty swallowing
PoinsettiaEuphorbia pulcherrimaToxic to catsToxic to dogsIrritant sapIrritating to the mouth and stomach, sometimes causing vomiting, but generally over-rated in toxicity.
Prayer PlantCalathea insignisNon-toxic to catsNon-toxic to dogs
RoseRosa SpeciesNon-toxic to catsNon-toxic to dogs
RosemaryRosmarinus officinalisNon-toxic to catsNon-toxic to dogs
Sago PalmCycas revoluta, zamia speciesToxic to catsToxic to dogsCycasinVomiting, melena, icterus, increased thirst, hemorrhagic gastroenteritis, bruising, coagulopathy, liver damage, liver failure, death.
ScheffleraScheffleraToxic to catsToxic to dogsCalcium oxalate crystalsOral irritation, intense burning and irritation of the mouth, lips, tongue, excessive drooling, vomiting, difficulty in swallowing.
Snake PlantSansevieria trifasciataToxic to catsToxic to dogsSaponinsNausea, vomiting, diarrhea.
Spider PlantChlorophytum comosumNon-toxic to catsNon-toxic to dogs
Sunflowerhelianthus angustifoliusNon-toxic to catsNon-toxic to dogs
Swiss Cheese PlantMonstera deliciosaToxic to catsToxic to dogsInsoluble calcium oxalatesOral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting, difficulty swallowing.
TulipTulipa spp.Toxic to catsToxic to dogsTulipalin A and BVomiting, depression, diarrhea, hypersalivation. Highest concentration of toxin in bulb.
Wax PlantHoya carnosa 'krinkle kurl'Non-toxic to catsNon-toxic to dogs
YuccaYucca spp.Toxic to catsToxic to dogsSaponinsDogs, cats: Vomiting; Horses: liver disease, dermatitis

Sources

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