You also need to know that there is an animal poison control number you can call, unfortunately they really gouge you on a per minute fee schedule, but they do have good information when you are in a bind. My advice though is always to call the vet first. The number for the call is (888) 426-4435 Have it on the fridge or somewhere handy J Currently their rate is now $60 per call at the time of this writing. Their website can be found here: http://www.aspca.org/

 So without calling them first, here are some lists of plants known to be toxic to dogs:

Animal Poison Control

Toxic Plants

This list contains plants that have been reported as having systemic effects on animals and/or intense effects on the gastrointestinal tract.

Please note that the information contained in our plant lists is not meant to be all-inclusive, but rather a compilation of the most frequently encountered plants. If you think that your animal is ill or may have ingested a poisonous substance, contact your local veterinarian or our 24-hour emergency poison hotline directly at 1-888-426-4435.

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Thousands of dogs and cats needlessly suffer and many die each year by accidental ingestion of household poisons, including pesticides, popular houseplants, medications and common foods. The ASPCA Animal Poison Control Center, the only animal poison control center in North America offers advice to pet owners about the many household products that can be dangerous and even deadly to their four-legged family member.

  • Mothballs, potpourri oils, coffee grounds, homemade play dough, fabric softener sheets, dishwashing detergent, batteries, cigarettes, alcoholic drinks, pennies and hand and foot warmers could be dangerous for your pet.
  • Keep all prescription and over-the-counter medications out of your pets' reach, preferably in closed/locked cabinets above the counter. Painkillers, cold medicines, antidepressants, vitamins and diet pills can be lethal to animals, even in small doses.
  • Read all of the information on the label before using a product on your pet or in your home.  If a product is for use only on dogs, it should never be used on cats; if a product is for use only on cats, it should never be used on dogs.
  • Be aware of the plants you have in your home and yard. The ingestion of azalea, oleander, sago palm or yew plant material by your pet can be fatal.  Easter lily, day lily, tiger lily and some other lily species can cause kidney failure in cats. 
  • Make sure your pets do not go on lawns or in gardens treated with fertilizers, herbicides or insecticides until they have dried completely. Always store such products in areas that are inaccessible to your pets. If you are uncertain about the usage of any product, ask the manufacturer and/or your veterinarian for instructions.
  • Be alert for antifreeze/coolant leaking from your vehicle. Animals are attracted to the sweet taste and ingesting just a small amount can cause an animal's death.  Consider using animal-friendly products that use propylene glycol rather than those containing ethylene glycol.
  • When using rat, mouse, snail or slug baits, or ant or roach traps, place the products in areas that are inaccessible to your pet. Some bait contains sweet smelling inert ingredients, such as jelly, peanut butter or sugar that can attract your pets.

·         Although many people are aware that chocolate is toxic to cats and dogs, it's something that is commonly left on a table or counter top. Dogs may tear into a box of candy when the opportunity presents itself. In large quantities, chocolate causes coma and death. In lesser quantities, it will cause gastrointestinal problems including diarrhea. The degree of toxicity depends on the weight of the animal and the amount and type of chocolate consumed. Semi-sweet and bakers chocolate, for instance, contain more theobromine than regular chocolate, making them even more toxic to animals. Dogs love chocolate, so don't let taste be a test of what is healthy. Anything containing cocoa or chocolate should be avoided.

·         Grapes & Raisins: Though it isn't clear to scientists just what makes grapes and raisins toxic to both cats and dogs, even a relatively small amount can damage the kidneys. For this reason it's unwise to feed these to your pet, even if small amounts are tolerated. Also avoid giving bits of cookie or other foods that contain raisins.

·         Garlic, Onions, and Powders: Whether fresh, cooked or powdered, garlic and/or onions can be found among the ingredients of many prepared meals, including baby food. Garlic and onions can be toxic to cats and dogs because sulfoxides and disulfides found in them can damage red blood cells and lead to anemia. Onions are more problematic than garlic, but both should be avoided. If preparing a meal for yourself that will contain garlic or onions, consider preparing a side portion without these ingredients for your animals.

·         Macadamia Nuts: Macadamia nuts are soft, light-colored nuts often used in cookie recipes. They are considered toxic to dogs because they tend to cause gastrointestinal upsets, lethargy, vomiting and muscle tremors or stiffness.

·         Mushrooms: Various species of mushrooms are toxic to dogs, and can cause shock and death. Effects will differ depending on the type ingested, but avoid feeding any type. Pluck "backyard mushrooms" that might sprout on the lawn, as these are known to be toxic to canines.

·         Tomatoes and tomato plants: Tomatoes of all kinds are toxic to cats, as are parts of the tomato plant. Ingesting as little as a cherry tomato can cause severe gastrointestinal upset.

·         Chicken Bones: Though not toxic, chicken bones can get stuck in the roof of the mouth, throat and intestines, and should be avoided, according to many veterinarians. Splinters of chicken bones can also become lodged internally.

·         Xylitol: This is a sugar substitute found in many types of candy, chewable vitamins, sugarless baked goods, and in sugarless gums like Trident™ and Orbit™. As little as three grams (e.g. about five pieces of gum) can kill a 65 pound dog, with smaller dogs succumbing to just one or two sticks. Within 15-30 minutes of ingesting xylitol a dog's insulin levels will surge and blood sugar levels will drop, resulting in lethargy and loss of balance. Permanent brain damage can occur and without treatment liver failure will result in death within 24 hours. Diabetics that might have sugarless baked goods or other sugarless products in the home should be especially careful to read all ingredients before sharing food.

·         If a dog should ingest a product that contains xylitol call your veterinarian or animal emergency services immediately. You might be instructed to induce vomiting if the dog is already having a reaction or if the office is more than 30 minutes away. Do not leave products containing xylitol within a dog's reach.

·         Other foods to avoid include raw potatoes, especially those containing green spots; turkey skin; nutmeg; and anything with caffeine, including tea. Alcohol and hops should also be avoided as alcohol poisoning can lead to coma and death. Do not allow your pet to rummage through the trash, as moldy food contains toxins that can cause serious illness.

·         Since many of the signs of toxicity are similar, consult your veterinarian without delay if your pet appears distressed, listless or in pain. Bloody stools or vomiting are also possible signs of toxic poisoning. Gastrointestinal problems can lead to gas build-up until the stomach becomes distended or bloated and hard to the touch. This is a painful condition that can cause the stomach to burst if not treated. The good news is that, in most cases, treatment for toxic poisoning can be successful if administered in time.