The following plants that are poisonous for small pets should all be viewed as dangerous to some degree. If ingested, they have the possibility of compromising the health of your small animal. Some, like Oleander and Dieffenbachia can cause death almost 
instantaneously. Others may generate only a mild reaction. Regardless, it is still advisable to remove plants that are poisonous for small pets from locations where the animal might come in contact with them.
This is by no means a comprehensive listing, so if you are in doubt as to the particular plants that you have in or around your home and if they are considered plants that are poisonous for small pets contact your local veterinarian or poison control center. The National Animal Poison Control Center hotline numbers are as follows: 1-900-443-0000 or 1-888-426-4435.
Plants that are poisonous for small pets:
Amaryllis, American yew, Andromeda, Arum lily, Autumn crocus, Australian 
flame tree, Avocado, Azalea, Balsam pear, Baneberry, Bird of paradise, Bishop's weed, Black laurel, Black locust, Bloodroot, Bluebonnet, Blue-green algae, Boxwood, Bracken fern, Broad beans, Broomcorn grass, Buckeye, Buckthorn, Bulb flowers, Burdock, Buttercup, Cacao, Caladium, Calla lily, Camel bush, Candelabra tree, Cardinal, Castor Bean, Chalice vine, Cherry tree, Chinaberry tree, Christmas candle, Clematis, Cocklebur, Coffee, Coffee bean, Coral plant, Coriander, Cotton bush, Cowslip, Crown of thorns, Daffodil, Daphne, Delphinium, Devil's ivy, Dieffenbachia, Dutchman's breeches, Eggplant Elderberry, Elephant's ear, English ivy, English yew, Ergot, Eucalyptus, Euonymus, False hellebore, False henbane, Flame tree, Felt plant, Firethorn, Four o'clock, Foxglove, Ghostweed, Golden chain, Ground cherry, Johnson grass, Heliotrope, Hemlock, Henbane, Holly, Honeysuckle, Horse bean, Horse chestnut, Horsetail, Hyacinth, Hydrangea, Indian licorice, Indian turnip, Inkberry, Iris, Jack-in-the-pulpit, Java bean, Lima bean, Jasmine, Jerusalem cherry, Jimsonweed, Juniper, Kentucky coffee tree, Lantana, Larkspur, Laurel, Lily-of-the-valley, Lima bean, Lobelia, Locoweed, Lords and ladies, Lupine, Mandrake, Marijuana, Maternity plant, Meadow saffron, Mescal bean, Mexican breadfruit, Mexican poppy, Milk vetch, Milkweed Mistletoe, Mock orange, Monkshood, Moonseed, Morning glory, Mountain laurel, Mushrooms, Narcissus, Navy bean, Nettles, Nightshades, Oak, Oleander, Panda plant, Parsley, Pencil tree, Periwinkle, Philodendrons, Pigweed, Poinciana, Poinsettia, Poison ivy, Poison oak, Pokeweed, Potato, Privet, Pyracantha, Rain tree, Rattlebox, Red maple, Rhubarb, Rhododendrons, Rosary peas, Sandbox tree, Scarlet runner, Skunk cabbage, Snowdrop, Sorghum grass, Sorrel, Spindle tree, Spurges, Sudan grass, Sweet pea, Tansy ragwort, Tobacco, Virginia bower, Virginia creeper, White cedar, 
Wisteria, Yam bean, Yellow jasmine.
It’s important to recognize potential small animal poisoning as soon as possible, determine what it was the animal was exposed to and seek the assistance needed. Thankfully, poisoning is not the most common of problems that most pet owners encounter with their small pets. Should the situation arise, it is worth having considered the possibility beforehand. Knowing how to proceed in the event of animal poisoning can provide the pet the best opportunity for effective treatment and recovery from the crisis. More importantly, it is beneficial to have considered the risks and eliminated them beforehand. By creating a safe home environment for your special pet and removing any plants that are poisonous to small pets, you are ensuring that your small animal is free to explore and enjoy his surroundings.
