Oleander (Nerium oleander)
Highly toxic if ingested, oleander contains compounds that can be harmful to pets and humans.
Dieffenbachia
Also known as "dumb cane," this plant's sap can cause skin irritation and oral swelling if ingested.
Sago Palm (Cycas revoluta)
All parts of the sago palm are toxic, especially the seeds, which can be fatal if consumed.
Pothos (Epipremnum aureum)
Pothos can be toxic if ingested and its sap may cause skin irritation.
Philodendron
Many philodendron species contain calcium oxalate crystals that can cause oral irritation and discomfort if consumed.
Snake Plant (Sansevieria)
While not highly toxic, snake plants can cause digestive discomfort if ingested by pets or humans.
Aloe Vera
While prized for its medicinal gel, aloe vera can be toxic to pets if ingested in large quantities.
Euphorbia (Crown of Thorns)
The milky sap of euphorbia plants can cause skin irritation and be toxic if ingested.
Hydrangea
Hydrangea flowers contain cyanogenic glycosides which, if ingested, can cause stomach discomfort and other symptoms.