Here are some of the toxic plants you should keep away from your pets. If you suspect that your dog might have eaten any plant that might be toxic, contact his/her vet immediately. Many common house and garden plants can be toxic to animals if swallowed. The symptoms can be diarrhea, nausea, or skin allergies.

Our list is limited, we do not have the lethal dosage (per dog weight) of these plant parts. If you need further information about a particular plant , please contact your pet's vet and local Poison Control Center.

Please note that we cannot answer questions relating to dog health -- instead of calling us or e-mailing us with your concerns, please contact your dog's vet for speedy and accurate information & help. Only a trained vet can help you if you suspect that your dog has been poisoned, do not waste valuable time your pet has by relying on random websites or helpful info found online. Call his/her vet instead.

Most Poisonous ***
Mostly Poisonous **
Slightly Poisonous *



Clinical Signs


Stem, bark, seed pits


Azalea (Rhododendron spp.)   

All parts, mostly leaves

Stomach irritation, abdominal pain, abnormal heart rate and rhythm, convulsions, coma, some death.

Bird of Paradise

Fruit, seeds


Boston Ivy

All parts



All parts


Creeping Charlie (Glecoma hederacea L.)

All parts

Sweating, drooling, usually not fatal.

Castor Bean (Ricinus communis)

All part but mostly seeds, if chewed

Nausea, abdominal pain, bloody diarrhea, tenesmus, dehydration, shortness of breath, excessive thirst, weakness, muscle twitching, convulsions, coma.

Choke Cherry (Prunus virginiana)

Leaves, seed pits, stems, bark


Daffodil (Narcissus spp.)




Berries, bark, leaves


English Ivy (Hedera helix L.)

Leaves, berries

Stomach irritation, diarrhea, troubled breathing, coma, death.

Foxglove (Digitalis purpurea L.)

Leaves, seeds, flowers


Glacier Ivy

Leaves, berries



All parts


Hemlock, Water (Cicuta maculata L.) 

All parts, root and root stalk

Dilated pupils, frothing at the mouth, spasms muscles spasms, restlessness, convulsions, and death (within 15 min to 2 hours)

Hyacinth (Hyacinth orientalis)

Bulbs, leaves, flowers

Colic, vomiting and diarrhea, usually not fatal.

Hydrangea (Hydrangea spp.)

Leaves, buds

Irritation and inflammation of the digestive tract, diarrhea, bloody stool.

Jerusalem Cherry (Solanum pseudocapsicum L.)

All parts, unripe fruit


Johnsongrass (Sorghum halepense) 

Leaves and stems, especially young plants.

Breathing problems, severe anxiety, convulsions, coma, death. Intravenous antidote exsist.

Jimson Weed (Datura stramonium L.) 

All parts

Rapid pulse, rapid breathing, dilated pupils, restlessness, nervousness, twitching, frequent urination, diarrhea, depression, weight loss, weak pulse, convulsions, coma, death.




Lantana (Lantana camara L.)

Leaves and berries

Sluggishness, weakness, bloody diarrhea. In severe cases, death may occur in 2 to 4 days.

Lily-of-the-Valley (Convallaria majalis)

All parts



Roots, foliage, unripe fruit





Morning Glory



Marble Queen

All parts


Nightshade (Solanum spp.)

All parts

Hallucinations, severe intestinal disturbances, diarrhea, drowsiness, numbness, dilated pupils, trembling, labored breathing, nasal discharge, rapid heartbeat, weak pulse, incoordination, paralysis or severe shaking of the rear legs, rapid heart rate, bloat, can be fatal.

Nephthytis, Arrowhead Vine

All parts


Oats, (Avena sativa)

All parts

Breathing difficulty, skin irritation, paralysis, convulsions, death (rare).

Pigweed, Redroot (Amaranthus retroflexus)

Leaves, stems, roots.

Troubled breathing, trembling, weakness, coma, death.

Poinsettia (Euphorbia pulcherrima)

Leaves, flowers

Not lethal, but can cause skin, mouth, eye, and stomach irritation.

Pokeweed, Inkberry

All parts

Colic, diarrhea, blood in stool, rare cases anemia, and possible death.

Parlor Ivy

All parts


Red Sage

Green berries


Rhubarb (Rheum rhaponticum)


Staggering, trembling, breathing difficulties, weakness, diarrhea, increased drinking and urinating, death.

Red Princess

All parts



All parts


Tulip (Tulipa spp.)



Umbrella Plant

All parts


Yew, English (Taxus baccata) and Japanese (Taxus cuspidata Sieb. & Zucc.)


Breathing problems, trembling, weakness, heart problems, stomach upset, very sudden death.


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