• Easter Lily -- This plant is known only to be toxic to cats. Symptoms of poisoning can include vomiting, loss of appetite, and lethargy.
• Elephant Ear -- The entirety of this plant is toxic, with symptoms of poisoning including oral irritation, excessive drooling, vomiting and difficult in swallowing.
• English Ivy -- The entirety of this ornamental vine is toxic, though especially the leaves and berries. Symptoms of poisoning can include gastrointestinal upset ,diarrhea, hyperactivity, breathing difficulty, coma, fever, dilated pupils, muscular weakness and incoordination.
• European Bittersweet -- This viney plant, especially the berries, is toxic to animals. Symptoms of poisoning can include drooling, loss of appetite, severe gastric upset, drowsiness and lethargy, weakness, dilated pupils and slow heartrate.
• Foxglove (Digitalis) -- This garden perennial with bell-shaped, tubular flowers can be fatal. Symptoms of poisoning include vomiting, diarrhea, and weakness.
• Holly -- The berries of this shrub are toxic. Symptoms of poisoning can include intense vomiting and diarrhea, as well as depression.
• Hyacinth -- The bulbs of this flower are toxic and can create symptoms including intense vomiting, diarrhea (sometimes with blood), depression and tremors.
• Hydrangea -- This flowering plant contains cyanide. Symptoms of poisoning include vomiting, depression, diarrhea, increase in heartrate, and increase in body temperature.

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