Last Modified on Jan 04, 2015
There are over 700 plants that could kill or injure your dog or cat! Some could well be growing in your yard right now. Here is a comprehensive list of plants that could injure or kill your beloved pet.
The list included here cannot possibly begin to cover every single poisonous plant in existence. Also, some of these plants are much more toxic than others. It is important to use your best judgment when determining whether or not these plants should remain in your home or garden. Consider your personal situation and the normal behavior of your pets. If you keep any of these plants in areas that cannot be accessed by your pet, or if you have a pet that has never bothered with getting into your plants in the past, then it is likely you shouldn't have a problem with keeping those particular plants in a home with pets.
The most important thing for you do to when assessing your current plant situation is to dig a little bit deeper and find out exactly how toxic certain plants can be and how they can affect your animal.
The 10 Most Common Poisonous Plants:
Marijuana - Animals who attempt to snack on this plant can suffer serious consequences such as diarrhea, vomiting, increased heart rate, drooling, in-coordination, and even possibly seizures and coma.
Sago Palm - While the seeds and nuts of this plant are most poisonous, the entire plant is toxic. Animals ingesting parts of this plant may suffer from diarrhea, vomiting, depression, seizures and liver failure.
Lilies - Plants of the lily variety are very poisonous to cats. Even very small amounts of this plant could cause serious kidney damage.
Tulips - The toxic portion of this plant is the actual bulb, which can cause drooling, central nervous system depression, gastrointestinal irritation, cardiac issues and convulsions.
Azalea - The toxins in azalea plants can be very severe and potentially cause drooling, diarrhea, vomiting, central nervous system weakening and depression, and in some cases possibly coma or death.
Oleander - All portions of this plant are poisonous and can cause gastrointestinal irritation, hypothermia, heart problems and possibly death.
Castor Bean - Poisoning as a result of this plant can cause abdominal pain, drooling, diarrhea, vomiting increased thirst, loss of appetite and weakness. More serious cases could also lead to dehydration, tremors, seizures, twitching muscles, coma and possibly death.
Cyclamen - The most poisonous portion of this plant is located in the root. Ingestion of the plant can cause severe vomiting and gastrointestinal irritation. In some cases death has been reported as a result.
Kalanchoe - Ingestion of this plant can cause gastrointestinal irritation and cardiac rhythm and rate problems.
Yew - Poisoning as a result of the yew plant can affect the nervous system and cause in-coordination, trembling and breathing difficulties. It may also result in gastrointestinal irritation, cardiac failure and could possibly lead to death.
The most well-known and common plants that can be poisonous or toxic to pets.
Aconite - Is a garden flower whose roots, foliage and seeds can be poisonous.
Apple - The seeds of an apple can be poisonous to pets.
Arrowgrasses - These are marsh type plants whose leaves contain poisons.
Atropa Belladonna - This is a type of garden herb in which the entire plant can be poisonous to pets, especially its seeds and roots.
Autumn Crocus - This is a commonly found garden flower in which the entire plant can be poisonous.
Baneberry - This is a wildflower whose berries and roots are the poisonous portions.
Bird of Paradise - This is a garden flower whose pods are poisonous.
Black Locust - This is a tree in which the entire plant can be poisonous, especially the bark and shoots.
Bloodroot - Is a wildflower and herb whose stem and roots are most poisonous, however the entire plant is toxic.
Box - Is an ornamental shrub that is poisonous in its entirety, but especially the leaves.
Buckeye - This is a tree whose sprouts, nuts and seeds contain poisons.
Buttercup - This is a wildflower and garden herb that is poisonous in its entirety but mostly in the leaves.
Caladium - Is a houseplant that is poisonous in its entirety.
Carolina Jessamine - This is an ornamental plant whose flowers and leaves contain poisons.
Chinaberry Tree - Is a tree whose berries are poisonous.
Chockcherries - This is a wild shrub whose poisonous parts include the leaves, cherries and pit.
Christmas Rose - Is a garden flower that contains toxic leaves and rootstock.
Common Privet - Is an ornamental shrub whose leaves and berries can be poisonous.
Corn Cockle - Is a wildflower and weed whose seeds are particularly poisonous.
Cowbane - This is a wildflower and herb that is poisonous in its entirety, especially the roots.
Cow Cockle - Is a wildflower and weed whose seeds are poisonous.
Cowslip - Is a wildflower and herb whose entire plant is poisonous, especially the leaves and stem.
Daffodil - Is a garden flower whose bulbs are poisonous.
Daphne - This is an ornamental shrub that contains poisonous bark, berries and leaves.
Death Camas - This is a field herb whose poisonous parts include the leaves, stems, seeds and flowers.
Delphinium - Is a wildflower that is poisonous in its entirety, especially the sprouts.
Dumbcane - This is a houseplant and is poisonous in its entirety.
Dutchman's Breeches - Is a wild and garden flower whose roots and foliage are poisonous.
Elderberry - Is a tree whose poisonous parts include the leaves, bark, roots and buds.
Elephant's Ear - This is a houseplant poisonous in its entirety.
English Ivy - Is an ornamental vine that is completely poisonous but especially the leaves and berries.
European Bittersweet - This is a vine poisonous in its entirety but especially in the berries.
False Flax - Is a wild herb whose seeds are poisonous.
False Hellebore - Is an ornamental flower whose roots, leaves and seeds are toxic.
Fan Weed - This is a wildflower and herb whose seeds are poisonous.
Field Peppergrass - Is a wildflower and herb that contains poisonous seeds.
Flax - Is a wildflower and herb whose seedpods contain poisons.
Foxglove - This is a wild and garden flower whose leaves are poisonous.
Holly - Is a shrub containing poisonous berries.
Horsechestnut - Is a tree containing poisonous nuts and sprouts.
Horse Nettle - Is a wildflower and herb poisonous in its entirety, especially the berries.
Hyacinth - This is a wild and houseplant whose bulbs are poisonous.
Iris - Is a wild and garden flower whose leaves and roots are poisonous.
Jack-in-the-Pulpit - Is a wildflower that is entirely poisonous, especially the leaves and roots.
Jatropha - This is a tree and shrub whose seeds are poisonous.
Jerusalem Cherry - Is an ornamental plant whose un-ripened fruit and foliage are poisonous.
Jimsonweed - Is a field plant that is entirely poisonous, especially the seeds.
Laburum - Is an ornamental plant whose seeds, pods and flowers can be poisonous.
Lantana - Is a houseplant whose foliage is poisonous.
Larkspur - Is a wildflower that is poisonous only as a young plant.
Laurels - This is a type of shrub with poisonous leaves.
Lupines - Is a shrub whose seeds and pods are poisonous.
Manchineel Tree - A tree containing poisonous sap and fruit.
Matrimony Vine - An ornamental vine containing poisonous leaves and shoots.
Mayapple - A wildflower poisonous in the form of its un-ripened fruit as well as the foliage and roots.
Milk Vetch - A wildflower poisonous in its entirety.
Mistletoe - A houseplant with poisonous berries.
Monkshood - A wildflower poisonous in its entirety, especially the roots and seeds.
Moodseed - A vine whose fruit and roots are poisonous.
Morning Glory - Is a wildflower containing poisonous seeds and roots.
Mountain Mahogany - Is a shrub with poisonous leaves.
Mustards - These are wildflowers whose seeds can be poisonous.
Narcissus - This is a garden flower whose bulbs contain poisons.
Nicotiana - Is a garden flower whose leaves are poisonous.
Nightshade - Is a wildflower and vine with poisonous leaves and berries.
Oaks - Are trees with poisonous leaves and shoots.
Philodendrons - Are houseplants poisonous in their entirety.
Pokeweed - Is a field plant containing poisonous roots, seeds and berries.
Poinsettia - Is a houseplant with poisonous leaves, flowers and stems.
Poison Hemlock - This is a field plant containing poisonous leaves, stems and fruit.
Potato - A garden plant whose shoots and sprouts can be poisonous.
Rattle Box - Is a wildflower that is entirely poisonous.
Rhododendron - Is an ornamental shrub whose leaves are poisonous.
Rhubarb - A garden plant with poisonous leaves.
Rosary Pea - Is a houseplant whose seeds are poisonous.
Skunk Cabbage - This is a marsh plant whose entire plant is poisonous but especially the roots and leaves.
Smart Weeds - Are wildflowers containing poisonous sap.
Snow-on-the-Mountain - This is a wildflower whose sap is poisonous.
Sorghum - Is a type of grass whose leaves are poisonous.
Star of Bethlehem - Is a wildflower poisonous in its entirety.
Velvet Grass - A variety of grass whose leaves are poisonous.
Wild Black Cherry - Is a tree with poisonous leaves and pits.
Wild Radish - A wildflower with poisonous seeds.
Wisteria - Is an ornamental plant containing poisonous seeds and pods.
Woody Aster - A wildflower whose entire plant is poisonous.
Yellow Jessamine - An ornamental vine that is entirely poisonous.
Yellow Pine Flax - A wildflower poisonous in its entirety but especially in the seedpods.
NOTE: If you suspect that your pet has been poisoned, contact the American Society for the Prevention of Cruelty to Animals (ASPCA) Poison Control Center at 1-888-426-4435. This is 24 hour a day hotline. (Note that in some cases a consultation fee may be charged to your credit card.)
This list has been compiled using the following sources:
American Society for the Prevention of Cruelty to Animals
Toronto Humane Society
St. John's Poison Resource Center
Humane Society of the United States
by Dawn Forster for Earth Clinic, LLC
I think it is important to note that Automn Crocus is not an actual "crocus" which is confusing because some crocus bulbs due come up in the fall. here is the wikipedia link: http://en.wikipedia.org/wiki/Colchicum_autumnale which includes a photo for distinction.
Buttercup - poisonous to dogs? Formerly my Border terrier was grass grazer, but lately she has turned to buttercup leaves. Of course, I stop her. However, is there something missing in her diet that makes her look for this plant?
Replied by Alimorg
Replied by Katiem
Tacoma, Wa, Usa
Replied by Susieq
Staten Island, New York
Replied by Polarbear4
My fiance and I have recently received a pit bull puppy as a gift and she loves to wrestle, tug, and play in the cats claw vines growing on our patio. My biggest concern is these may be harmful to her. I have searched multiple sites and none of them list this vine anywhere. I dont want to just take it as a sign that there is no harm from these without being sure... Can anyone give me some information? Maybe I'm missing something. Thank you.
We were given a Croton Plant and we have 2 cats. We want to make sure they are not dangerous if our cats decide to chew on the leaves.
Replied by Nicole.poisonous2pets
Gold Coast, Australia
Is an Iris leave poison for a puppy/dog? I didn't see it on your poison list..
EC: Kelly, thanks for asking! We're updating our list of poisonous plants to add iris, daylilies and lilies. Many (but not all) varieties are toxic to dogs and cats.
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[WARNING!] Poisonous Plants to Dogs:
Since ponds have become so popular, I'm trying to find a list of decorative grasses that can be used around dogs. My neighbor's 2 bichon puppies became very ill from chewing on one of the following plants: Feather Reed, Miscanthus, Blue Oat, Big Twister, Bee Balm, & Japanese Blood Grass. I've been trying to get info on these plants & have become frustrated trying to find a straight forward simple answer. And for any plant nurseries out there - you should have a list available to all of your customers & ask if they have pets BEFORE you recommend plants.
Thanks for any information you can share with me.
Replied by Louise Fennell
Herne Bay Kent, England
Replied by Ma
Moose Jaw, Sk
I frequently walk my dogs through the scrub desert east of the Santa Rita mountains along the Santa Cruz river. Upon browsing this site to find out what might be harmful to them, I find a LIST!!!!! No pictures!!!!
Obviously, this does me no good. I would have to know ALL the plants I come across in order to look up and see if they are harmful. A list is useless to me. Where can I find pictures?
Replied by Wendy
Are pussy willows poisonous to cats? Mine likes to pick them off, with his teeth, and bat them around the floor of the apartment.
Replied by Sherri
Replied by Wendy
Is honeysuckle poisonous to cats? My wife recently brought in cuttings from a Yellow Honeysuckle (Lonicera Flava) and a Japanese Honeysuckle (Lonicera Japonica). I noticed one of our cats eating the leaves. Can this make him sick?
EC: Honeysuckle is mentioned on various forums as being toxic to cats, but no varieties are listed.
List of good links to other sites with extensive databases: http://amby.com/cat_site/plants.html
I have a planter that has Ivy in it. I called the flower company that sent it and asked what kind of ivy it is. The reason being I have four cats in my house and I know that some ivys are poisonous. After searching on line I think I have it narrowed down to an ivy called Hedera a. Gloire de Marengo. I can't find any information on whether or not this is toxic to cats. I have it up high now so they can't get at it. But eventually I will need to put the plant where it can get sun. Thanks so much!
EC: Here are photos from a google search if anyone is interested to see what this type of ivy looks like: http://images.google.com/images?hl=en&um=1&sa=1&q=Hedera+a.+Gloire+de+Marengo&btnG=Search+Images&aq=f&oqq
Hi, I have a lantana bush in my backyard. My dog eats the leaves and then throws up, I noticed that you all say they are poisonous. Is she just eating them to make herself throw up? Also, my backyard is filled with azaleas, wisteria, wild black cherry, and a huge yew tree. Should I worry about these plants around my dog...she never eats those but the lantana and she also eats camelia flowers...when she eats the lantana she vomits then she's ok. What should I do?
Replied by Eunice
[YEA] To Cat Lovers, Our newly kitten ate rose petals from my potted miniature rose bush and started coughing up blood non stop. We rushed him to the emergency room and the doctor stated the petals were eating away his stomach lining. Luckily, they pumped his stomach and were able to treat him back to health. My cat spent 48 hours in the hospital w/ an iv and $1200 later was able to come home. I do not see roses listed on any site as poisonous. They are highly toxic. Please add roses to your list so more cat lovers will know. Thanks!
Replied by Chris
New York, NY
please tell us if the norfolk island plants are poisonous for cats?
EC: Here's a thread from a garden site with mention of a Norfolk Island Pine as being non-toxic to pets: http://forums2.gardenweb.com/forums/load/houseplt/msg0806512216955.html
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Good afternoon! I just wanted to find out if the Poinsettia is really poisonous to animals. According to the paperwork that has come with our plants, it says that even though the plant can make them sick, they are not poisonous. However, your site says the opposite. Please advise. Thank you
Replied by Nicole.poisonous2pets
Gold Coast, Australia
[WARNING!] We have poison ivy in our backyard, which my husband & I know to avoid. We have both had poison ivy more times than I'd like to mention. This summer, our 2 yr old Bull Terrier began getting red spots under her fur and on her stomach. She was itching and nibbling at her skin constantly. She is already treated with an internal & external flea medication, so we couldn't figure out what it was. She was completely miserable - always scratching, itching, and biting herself. She was even losing hair in those itchy areas. I tried a variety of pet products for skin issues, but nothing was working.
One day I was bathing her & I noticed that I had a small patch of poison ivy on my arm. Then it hit me - - she had poison ivy. We have always been told that dogs cannot get poison ivy, but I decided to do a little more research. Almost every site out there will tell you that dogs cannot get it; therefore, there are no remedies for it. I finally found one site that said, "yes, dogs can get poison ivy if the oils get past the fur. " This is why she had most of it on her stomach, where there is little hair. When she scratched, it moved the oils to other parts of her body. My husband & I swear by Burt's Bees Poison Ivy soap(you can find it at WFM). I immediately washed her with this soap, and you can tell she felt better. I washed the affected areas once or twice a day, and her poison ivy went away. Now, it has recently come back because we still have poison ivy in our yard, but now I can nip it in the bud before it gets bad. YES, your dog CAN get poison ivy!
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Replied by Tracey
Replied by Ramg
Bay Area, Ca