Plants Toxic to Pets   


I      Introduction

List of toxic plants

Severity of poisonous plants                   

II     Common House Plants

A.)   Common House Plants: Are They Dangerous?

B.)   Dumb Cane- (Dieffenbachia)

Calcium oxalate crystals

Signs:  upset stomach, oral irritation, asphyxiation, tremors, seizures, loss of balance, death

C.) English Ivy (Hedera helix)

Plant Characteristics

Signs: upset stomach, hyperactivity, labored breathing, drooling, fever, increased thirst, dilated pupils, weakness, staggering


III    Ornamental Plants

A.) Azalea- (Rhododendron species)


Plant Characteristics

Cardiac glycosides

Signs: Stomach irritation, abdominal pain, abnormal heart rate and rhythm, convulsions, coma, can be Fatal

B.) Nightshade- (Solanum species)

Plant Characteristics


Signs: Hallucinations, severe intestinal disturbances, diarrhea, drowsiness, numbness, dilated pupils, trembling, labored breathing, nasal discharge, rapid heartbeat, weak pulse, incoordination, paralysis or severe shaking of the rear legs, rapid heart rate, bloat, can be fatal.

C.)   English Japanese Yew (Taxus baccata Taxus cuspidata )

Toxic alkaloid

Signs: Breathing problems, trembling, weakness, heart problems, stomach upset, very sudden death.  

IV    Plants used for Decoration

A.) Holiday decorations

Tips during the holidays

B.) Mistletoe (Viscum album)

                Signs: upset stomach, Fatal

C.) Poinsettia (Euphorbia pulcherrima)

          Signs: Upset stomach, oral irritation, can be Fatal

V       Other toxic plants

A.) Marijuana (Cannabis species)  

B.) Tobacco (Nicotiana species)







Oval Callout: Any Questions?