poisonous plants dog

What plants are toxic to dogs?

Many common plants that we keep in the house and outside in our yards can be poisonous to our pets. If you have cats or dogs, be sure to keep these plants on your “Must Avoid” list!

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Aloe Vera: mild vomiting and diarrhea; tremors and depression can be seen when aloe vera is eaten in large amounts

Alocasia aka Elephant Ear: mouth irritation, pain, swelling of the mouth/lips/tongue, vomiting, drooling

American Holly: vomiting and diarrhea

Apricot seed kernels: vomiting, diarrhea, potential GI obstruction; may see brick red gums, dilated pupils, and labored breathing if large amounts are ingested

Arum Lily aka Calla Lily or Pig Lily: mouth irritation, pain, swelling of the mouth/lips/tongue, vomiting, drooling

Asparagus Fern: vomiting, diarrhea, skin irritation

Azalea: vomiting, diarrhea, weakness, abnormal heartbeats, heart failure, seizures, potentially fatal

Begonia (most toxic part is underground): mouth irritation, pain, swelling of the mouth/lips/tongue, vomiting, drooling

Cherry seeds, stems, and leaves: vomiting, diarrhea, potential stomach/intestinal obstruction; may see brick red gums, dilated pupils; and labored breathing if large amounts are eaten

Dieffenbachia: mouth irritation, pain, swelling of the mouth/lips/tongue, vomiting, drooling

Garlic (all parts are toxic): vomiting, diarrhea, anemia, pale gums, red or brown urine, weakness, panting, rapid heart rate

Lily of the Valley: vomiting, diarrhea, abnormal heartbeat, lethargy, tremors, seizures, dilated pupils, potentially fatal

Mango seed kernels: vomiting, diarrhea, potential GI obstruction; may see brick red gums, dilated pupils, and labored breathing if large amounts are ingested

Milkweed: vomiting, diarrhea, labored breathing, dilated pupils; kidney and liver failure if large amounts are ingested

Oleander: drooling, abdominal pain, diarrhea, weakness, abnormal heartbeat, possibly fatal

Onion (all types and all parts of the plant are toxic): vomiting, diarrhea, anemia, pale gums, rapid heart rate, weakness, panting

Peach seed kernels: vomiting, diarrhea, potential GI obstruction; may see brick red gums, dilated pupils, and labored breathing if large amounts are eaten

Philodendron: mouth irritation, pain, swelling of the mouth/lips/tongue, vomiting, drooling

Sago Palm: life-threatening liver failure, vomiting, diarrhea, potentially fatal

Tomato plant: weakness, vomiting, diarrhea, reduced heart rate, dilated pupils, confusion

Tulips: vomiting, diarrhea, drooling, depression, abnormal heartbeat, tremors, panting, potentially fatal


For more information, please see the ASPCA comprehensive list, including pictures, of toxic and non-toxic plants.


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