List of Dog Toxic Plants D to N

Table of Contents

List | Plants A to C | Plants O to Z | Q&A


Symptoms and pictures of dog toxic plants in alphabetical order. The treatment of choice is to induce vomiting. Before taking action, contact your veterinarian for specific instructions or a poison control center such as the ASPCA (888) 426-4435 ($60 charge per call). When calling let the Vet or hot line administrator know the type of plant (if you know it), the amount ingested, time and any signs of dog poisoning (difficulty breathing, salivation, vomiting and diarrhea, unconsciousness, shock, irritation around the mouth).


Daffodil: Ingestion by dogs causes severe gastrointestinal illness, diarrhea, vomiting, convulsions, seizures, low blood pressure and tremors. Larger amounts can cause a cardiac arrhythmia.

The Daffodil is a Plant Poisonous to Dogs That Causes Gastric Distress. Larger Quantities can Cause Heart and Blood Pressure Issues
  • Daphne: An ornamental shrub with poisonous leave, berries and bark.
  • Death Camas: This is a field herb with poisonous flowers, seeds, stem and and leaves.
  • Delphinium (Larkspur): A wildflower where every part is toxic to dogs. Symptoms are vomiting and canine diarrhea.
  • Devil's Ivy
  • Dieffenbachia
  • Dumbcane: This entire houseplant is dangerous for dogs to ingest.
  • Deadly Nightshade (See Nightshade)
  • Diffenbachia: Symptoms of Diffenbachia poisoning gastrointestinal upset, breathing problems, difficulty swallowing, swelling around the mouth.
  • Dologeton: Symptoms of Dologeton vary based on the amount consumer and dog sensitivity.
  • Dumbcane: Symptoms such as irritation around the mouth, swallowing difficulty, respiratory difficulty, gastrointestinal problems.
  • Dutchman' breeches: A garden flower with toxic foliage and roots.


  • Easter Cactus: Ingestion causes vomiting, diarrhea and depression.
  • Elderberry: Elderberry is a tree with dog poisonous leaves, bulbs, roots and bark.
  • Elephants Ear: The entire house plant is toxic for dogs. Symptoms are stomach upset, breathing problems, trouble swallowing, mouth swelling. It can also cause vomiting, cramps, and possibly tremors and heart issues.
  • Emerald Duke: Same as elephant's ear in terms of dog toxic plants symptoms.
  • Emerald Feather (aka Emerald Fern)
  • Emerald Fern (aka Emerald Feather)
  • English Holly: Symptoms of English Holly poisoning in dogs vomiting, abdomen pain and diarrhea.
  • English Ivy: (branching, glacier, needlepoint, sweetheart California): These ivy varieties are all dog poisonous plants. They contain the toxin triterpenoid saponins.  Symptoms include gastrointestinal problems (diarrhea, abdominal pain) and hypersalivation.
English Ivy Contains A Chemical That Is Poisonous to Dogs
  • English Yew: Symptoms in dogs are diarrhea, abdomen pain and vomiting.


  • False Flax: A wild herb with dog poison seeds.
  • False hellebore: An ornamental flower with poisonous roots, leaves and seeds.
  • Fan Weed: Wildflower and herb with seeds that are toxic to dogs.
  • Field peppergrass: A herb and wildflower with canine poisonous leaves.
  • Fiddle-Leaf Philodendron
  • Flamingo Plant
  • Florida Beauty
  • Foxglove: Garden and wild flower with poisonous leaves. Symptoms associated with Foxglove are diarrhea and vomiting.
  • Fruit Salad Plant


  • Glacier Ivy: Symptoms are similar to other dog toxic plants that are in the Ivy family such as vomtiing, diarrhea, abdomen pain, heart problems, respiratory problems and tremors.
  • Gladiolas
  • Glory Lily
  • Gold Dieffenbachia
  • Gold Dust Dracaena
  • Golden Pothos
  • Green Gold Nephthysis
  • Ground Cherry: Symptoms of Ground Cherry dog toxic plants poisoning in dogs is diarrhea and vomiting.


  • Hahn's self branching English Ivy
  • Heartleaf Philodendron: Causes swelling around the dog's mouth, stomach upset, respiratory problems, trouble swallowing, irritation and swelling around the mouth.
  • Heavenly Bamboo
  • Poison Hemlock and Western Water Hemlock
  • Holly: A shrub with dog poisonous berries that cause intense vomiting, diarrhea, depression.
  • Horse Chestnuts: This tree has nuts and sprouts that are toxic for dogs. Symptoms are diarrhea, abdomen pain and vomiting.
  • Horsehead Philodendron
  • Horse nettle: A wildflower and herb where the berries and all parts of the plant are toxic.
  • Hurricane Plant
  • Hyacinth: A wild and house plant where the bulbs can cause intense symptoms associated with dog toxic plants poisoning such as vomiting, diarrhea, depression and tremors)
  • Hydrangea


  • Indian Turnip: Symptoms in dogs from eating this plant include diarrhea and vomiting.
  • Indian Tobacco: Diarrhea and vomiting are symptoms in dogs associated with Indian Tobacco.
  • Iris: This is a garden and wild flower that has toxic leaves and roots.


  • Jack-in-the-pulpit: This plant irritates the mouth, causes swelling around the mouth, breathing problems and gastrointestinal upset.
  • Jade: Causes slow heart rate, muscle coordination issues (ataxia), depression and vomiting in dogs.
Avoid Jade Plants Since It Can Cause Multiple Poisoning Symptoms in Dogs Such As Lack of Muscle Coordination
  • Jack in the pulpit: A wildflower where the entire plant is dangerous for dogs to ingest.
  • Japanese plum: The Japanese plum causes symptoms in dogs such as diarrhea, abdomen pain and vomiting.
  • Japanese Show Lily
  • Japanese Yew (also called Yew)
  • Jerusalem Cherry: An ornamental plant where the foliage and unripe fruit is toxic for dogs. Symptoms in dogs includes vomiting, painful stomach, stomach cramps, tremors, respiratory issues, heart problems and kidney problems.
  • Jimson Weed: A field plant where the seeds and entire plant are dog plant poisons.


  • Kalanchoe: Like other dog poisonous plants, this plant causes gastrointestinal distress and well as heart problems such as problems with the rhythm and dog heart rate.


  • Laburum: An ornamental plant with dog poisonous seeds, flowers and pods.
  • Lace Fern
  • Lacy Tree
  • Lantana: A house plant with dog plant toxic foliage.
  • Larkspur: A wildflower that is toxic to dogs when the plant is young. Specific symptoms associated with these dog toxic plants include vomiting and diarrhea.
  • Laurels: A shrub with dog poisonous leaves.
  • Lillies (Lilum): Symptoms occur several hours after ingesting the plant. Symptoms include lethargy, low appetite, vomiting, diarrhea, depression, kidney failure in 36 hours to 72 hours)
Lilies are one of the biggest Poisoning Risks to Dogs
  • Lily of the Valley (Convallaria majalis): When a dog ingests Lily of the Valley leaves and flowers, it can cause diarrhea, vomiting, weakness, confusion, heart cardiac dysrhythmias. It can also cause death.
Lily of the Valley are Toxic to Dogs and Can Cause Death
  • Locoweed: This family of dog toxic plants is a hallucinogenic in dogs.
  • Lupines: The pods and seeds of this shrub are dog toxic parts of this plant.


  • Macadamia Nut
  • Machineel Tree: The sap and fruit of this tree are toxic to dogs.
  • Madagascar Dragon Tree
  • Malanga: In dog malanga poisoning a dog will experience swelling or irritation around the mouth, trouble swallowing and breathing issues.
  • Majesty: Symptoms in dogs include digestive problems, respiratory problems, trouble swallowing, mouth swelling.
  • Marble Queen: Same symptoms as Majesty above.
  • Marijuana: (hemp, hashish, hash): Dogs tend to avoid marijuana. It has a relatively low level of toxicity. Eating cannabis can effect the dogs central nervous system and result in a lack of coordination, diarrhea, drooling, fast heart beat, seizures and coma. Like humans, marijuana is a hallucinogenic.
  • Matrimony vine: An ornamental vine that has toxic leaves and shoots.
  • Mayapple: This is a wildflower that has unripe fruit, roots and foliage that are toxic to dogs.
  • Mauna Loa Peace Lily (also called Peace Lily)
  • Mexican Breadfruit
  • Mild vetch: This entire wildflower is poisonous to dogs.
  • Mistletoe "American": The berries of this plant cause vomiting and diarrhea, difficulty breathing, collapse, erratic behavior, hallucinations and death)
  • Mock Orange: Symptoms of this family of dog toxic plants in dogs are vomiting, abdomen pain and diarrhea.
  • Monkey pod: Same as mock orange in terms of dog symptoms.
  • Monkshood: Monkshood is a wildflower with poisonous roots and seeds in particular, but all parts are considered toxic.
  • Moonseed: The fruit and roots of this vine are toxic to dogs.
  • Morning Glory: The seeds and roots of this wildflower are poisonous to dogs. This is an hallucinogenic in dogs.
  • Mother-in-Law: The Mother-in-Law causes symptoms in dogs such as trouble swallowing, respiratory problems, stomach upset and mouth swelling.
  • Morning glory: The morning glory is a wildflower with poison seeds and roots.
  • Mountain mahogany: This is a shrub with canine poisonous leaves.
  • Mulch with Cocoa Beans mixed in (hyperactivity, muscle twitching, increased urination, excessive panting, increased heart rate and blood pressure levels, seizures)
  • Mustards: Mustard is a wildflower with poisonous seeds.


  • Narcissus: The narcissus has a bulb which is poisonous to dogs.
  • Needlepoint Ivy: Symptoms of Ivy dog toxic plants vary but can include vomting, mouth swelling, difficulty swallowing, abdomen pain, cramps, tremors and heart problems.
  • Nephthytis: Symptoms in this family of toxic dog plants includes mouth swelling, trouble when the dog swallows, breathing problems, and gastrointestinal upset.
  • Nicotiana: Another garden flower with toxic leaves.
  • Nightshade: A wildflower with toxic berries and leaves. Symptoms in dogs include vomiting, painful abdomen, cramps, tremors, heart issues, breathing difficulty and kidney problems.
  • Nutmeg: Nutmeg is a hallucinogenic in dogs.

References for Dog Toxic Plants:

(Humane Society PDF Download)