What is poisonous?lillies
Here is a quick reference guide to the more common house and garden plants that are toxic to most animals and children. If you have these plants, you need not dispose of them, but they should be kept out of reach from pets and children.

* Indicates substances that are especially dangerous and can be fatallilly_of_the_valley

Cardiovascular Toxins
Avocado (leaves, seeds, stem, fruit, skin)* in birds and pocket pets
Azalea (entire rhododendron family)
Autumn Crocus*
Bleeding Heart*
Castor Bean*
Foxglove*
Hyacinth Bulbs*
Hydrangea*
Japanese Pieris*
Kalanchoe*
Lily-of-the-Valley*
Milkweed*
Mistletoe Berries*
Mountain Laurel
Oleander*
Rosary Pea*
Tobacco Products
Yew*

Gastrointestinal Toxins
Avocado (leaves, seeds, stem, fruit, skin) in dogs
Amaryllis Bulb*
Azalea (entire rhododendron family)
Autumn Crocus*
Bird of Paradise
Bittersweet
Boxwood
Buckeye
Bulbs (most kinds)
Buttercup
Caladium
Castor Bean*
Chocolate *
Chrysanthemum (a natural source of pyrethrins)
Clematis
Crocus Bulb
Croton
Cyclamen Bulb
Dumb Cane (Dieffenbachia)*
Eggplant
Elephant's Ear
English ivy (all Hedera species of ivy)
Hyacinth Bulbs
Holly Berries
Iris Corms
Lily (bulbs of most species)
Macadamia Nuts
Mistletoe Berries
Narcissus, Daffodil
Onions*
Pencil Cactus
Potato (leaves and stem)
Rosary Pea*
Spurge (Euphorbia species)
Tomatoes (leaves and stem)

Respiratory Toxins
Chinese Sacred or Heavenly Bamboo*
English Ivy
Neurological Toxins
Alcohol (all beverages, ethanol, methanol, isopropyl)
Amaryllis Bulb*
Azalea (entire rhododendron family)
Bleeding Heart*
Buckeye
Caffeine
Castor Bean*
Chocolate*
Choke Cherry, unripe berries*
Chrysanthemum (natural source of pyrethrins)
Crocus Bulb
Delphinium, larkspur, monkshood*
Eggplant
Jimson Weed*
Lupine species
Macadamia nuts
Marijuana*
Morning Glory*
Moldy foods
Tobacco products
Potato (leaves and stem)
Tomatoes (leaves and stem)

Kidney/Organ Failure Toxins
Amanita Mushrooms
Anthurium*
Asiatic Lily
Begonia*
Calla Lily*
Castor Beans
Day Lily
Elephant's Ear
Easter Lily
Grapes/raisons
Jack-in-the-Pulpit*
Lantana*
Oak*
Rhubarb Leaves*
Scheffelera*
Shamrock*
Star-gazer Lilly

Toxins that affect the blood
Onions
Garlic

Poinsettias, can be toxic but only in very high quantities.

If you suspect your animal may have ingested any of the substances on this list or if your pet shows any abnormal behavior (vomiting, diarrhea, staggering, etc), you should contact your veterinarian immediately. Take a sample of the suspected toxin and its packaging with you to the veterinarian.

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