Poisonous Plants to Dogs
Aconite – Aconitum species
- Roots, foliage, and seeds are toxic if eaten causing nausea and vomiting.
- May also affect dogs cardiac function causing an increased heart rate.
Image by Annette Meyer from Pixabay
Image by Marce Garal from Pixabay
Aloe Vera – Aloe Vera
- If eaten can cause diarrhoea, vomiting, lethargy, depression, anorexia, tremors, change in urine colour.
Amaryllis – Hippeastrum species
- If the bulbs are eaten it can cause an upset stomach, hyperactivity, lethargy, coma, shock.
- This CAN BE FATAL.
Image by No-longer-here from Pixabay
Image by Mabel Amber from Pixabay
Angels’ trumpet – Brugmansia species
- Toxic if eaten, causing nausea and vomiting
Angel wings – Caladium species
- Causes an upset stomach, oral irritation, asphyxiation, tremors, seizures and loss of balance.
- This CAN BE FATAL.
Image by S. Hermann & F. Richter from Pixabay
Apple (seeds) – Malus species
- The seeds of apples contain cyanide which can cause varied toxic effects
Image by Evgeny Meshkov from Pixabay
Arborvitae – Thuja species
- Harmful if eaten in quantity, which may cause a skin allergy
Asparagus fern – Asparagus setaceus
- This contains a wide variety of poisons resulting in varied toxic affects.
Image by Goran Horvat from Pixabay
Image by Mabel Amber from Pixabay
Autumn crocus – Crocus speciosus
- This causes vomiting, nervous excitement
- May cause dermatitis
Avocado – Persea americana
- The fruit and the pith cause diarrhoea, vomiting and laboured breathing.
- CAN BE FATAL
Image by Shutterbug75 from Pixabay
Image by S. Hermann & F. Richter from Pixabay
Azalea – Rhododendron occidentale
- Azalea causes nausea, vomiting, depression, difficulty breathing and coma.
- CAN BE FATAL
Bird of paradise – Strelitzia reginae
- Toxins in the seeds affect the gastrointestinal tract
Image by Alexas_Fotos from Pixabay
Image by eliza28diamonds from Pixabay
Bittersweet – Celastrus angulatus
- Toxic if eaten, causing nausea and vomiting
Bleeding heart – Dicentra formosa
- Foliage and roots are poisonous in large amounts, contains convulsants. May also cause dermatitis.
Image by Susann Mielke from Pixabay
Image by Annette Meyer from Pixabay
Bluebell – Hyacinthoides
- Harmful if eaten in quantity.
Boxwood – Hebe odora
- Cause an upset stomach, heart failure, excitability or lethargy.
- May also cause dermatitis.
Image by Alexas_Fotos from Pixabay
Image by Jeon Sang-O from Pixabay
Bracken – Pteridium aquilinum
- Causes thiamine deficiency, acute haemorrhagic syndrome, blindness and tumours
Image by BreathofO2 from Pixabay
Burning bush – Kochia scoparia
- Toxic if eaten, causing nausea and vomiting. May cause a skin allergy.
Calla lily – Zantedeschia species
- Leaves are harmful if eaten in quantity
Image by Anna Armbrust from Pixabay
Image by Ray Shrewsberry from Pixabay
Castor bean – Ricinus communis
- Leaves and seeds may cause dermatitis.
- One or two seeds CAN BE FATAL
Image by Hans Braxmeier from Pixabay
Christmas rose (leaves, roots) – Helleborus niger
- Harmful if eaten in quantity.
Cocoa husks or mulch
- Similar toxic effects to that of chocolate – hyperactivity, increased heart rate.
- CAN BE FATAL if enough is eaten.
- Cocoa husks are the outer portions of cocoa beans that encase the nibs
Photo by Kai Schreiber from Flickr CC BY-SA 2.0
Cuckoo pint – Arum maculatum
- Toxic if eaten, causing nausea and vomiting.
May cause a skin allergy.
Photo by johndal from flickr CC BY-SA 2.0
Daffodil (bulbs) – Narcissus species
- Nausea, vomiting, diarrhea.
- May also cause dermatitis.
- CAN BE FATAL
Image by Jürg Lohri from Pixabay
Photo by David Short from Flickr CC BY 2.0
Daphne – Daphne species
- Gastrointestinal tract and kidneys affected.
- May cause dermatitis.
Photo by Herry Lawford from Flickr CC BY 2.0
Delphinium (seeds, young plants) – Delphinium species
- Harmful if eaten in quantity.
Devil’s fig – Solanum hispidium
- Harmful if eaten in quantity.
Photo by Ian Sutton from Flickr CC BY 2.0
Photo by Paweł Czerwiński on Unsplash
Dieffenbachia (Dumb cane) – Dieffenbachia species
- Causes diarrhea and oral irritation if eaten.
- May cause dermatitis, tremors, seizures, loss of balance, asphyxiation.
- CAN BE FATAL
Dragon tree – Dracaena species
- Causes vomiting and diarrhea
Photo by Forest and KimStarr from Flickr CC BY 2.0
Photo by Carl Lewis from Flickr CC BY 2.0
Dwarf morning glory – Convolvulus tricolor
- Harmful if eaten in quantity.
Easter lily – Lilium longiflorum
- Especially poisonous to cats
Image by Stephen Marc from Pixabay
Elderberry – Sambucus canadensis
- Nausea and vomiting.
Image by Manfred Richter from Pixabay
Image by Sukanto Biswas from Pixabay
Elephant ears – Bergenia species
- Intense burning, irritation and swelling of the mouth and throat.
- If tongue swells enough to block air passage.
- CAN BE FATAL.
English ivy (berries & leaves) – Hedera helix
- Gastrointestinal tract affected.
- May cause dermatitis.
Image by Dimitris Vetsikas from Pixabay
Image by WikimediaImages from Pixabay
European spindle – Euonymus europaeus
- Harmful if eaten in quantity.
False hellebore (roots, seeds, leaves) – Veratrum album
- Toxic if eaten, causing nausea and vomiting.
Photo by Selena N. B. H. from Flickr CC BY 2.0
Photo by John Jennings from Flickr CC BY 2.0
Flannel flower – Phylica plumosa
- Harmful if eaten in quantity.
Fruit salad plant – Monstera deliciosa
- Causes diarrhea and oral irritation if eaten.
- May cause dermatitis.
Photo by Forest and Kim Starr from Flickr CC BY 2.0
Image by Eukalyptus from Pixabay
Gaultheria – Gaulthera mucronata
- Harmful if eaten in quantity.
German ivy (berries & leaves) – Delairea odorata
- Gastrointestinal tract affected.
- May cause dermatitis.
Photo by Forest and Kim Starr from Flickr CC BY 2.0
Photo by Rexness from Flickr CC BY-SA 2.0
German primrose – Primula obconica
- Toxic if eaten.
- May cause skin allergy.
Glory lily – Gloriosa superba
- Toxic if eaten, causing nausea and vomiting.
Image by Bishnu Sarangi from Pixabay
Granny’s bonnets – Aquilegia vulgaris
- Harmful if eaten in quantity.
Image by u_3heuehh9 from Pixabay
Image by Jaanus Leoste from Pixabay
Henbane – Hyposcyamus niger
- Toxic if eaten, causing nausea and vomiting.
Holly (berries) – Ilex species
- Upset stomach, tremors, seizures, loss of balance.
Image by Goran Horvat from Pixabay
Image by Mabel Amber from Pixabay
Horse chestnut (nuts, leaves) – Aesculus hippocastanum
- Harmful if eaten in quantity.
Hurricane plant (bulb) – Monstera deliciosa
- Varied toxic effects.
- Causes diarrhea and oral irritation if eaten.
- May cause dermatitis.
Photo by Forest and Kim Starr from Flickr CC BY 2.0
Image by PublicDomainPictures from Pixabay
Hyacinth (bulbs) – Hyacinthus orientalis
- Harmful if eaten in quantity.
- May cause a skin allergy.
Iris (roots) – Iris species
- Severe digestive upset. May cause dermatitis.
Image by S. Hermann & F. Richter from Pixabay
Image by Alexas_Fotos from Pixabay
Ivy (entire plant) – Hedera helix
- Harmful if eaten in quantity.
Photo by mauro halpern from Flickr CC BY 2.0
Japanese spindle – Euonymus sieboldianus
- Harmful if eaten in quantity.
Jessamine (berries & sap) – Cestrum species
- Digestive disturbance.
- Gastrointestinal tract and nervous system affected.
- CAN BE FATAL
Photo by Patrick Mueller from Flickr CC BY 2.0
Photo by mauro halpern from Flickr CC BY 2.0
Jerusalem Cherry (immature growths) – Solanum pseudocapsicum
- Gastrointestinal tract affected.
- May cause dermatitis.
Jimson weed (Thorn Apple) – Datura stramonium
- Abnormal thirst, distorted sight, delirium, incoherence, coma.
- CAN BE FATAL
Photo by Deborah Lee Soltesz from Flickr CC0 1.0
Image by Hans Braxmeier from Pixabay
Kalanchoe – Kalanchoe species
- Depression, rapid breathing, teeth grinding, ataxia, paralysis
Kale – Brassica oleracea
- Haemolytic anaemia, goitre, possible reduced fertility
Image by Frauke Feind from Pixabay
Image by TheOtherKev from Pixabay
Kingcup – Caltha palustris
- Harmful if eaten in quantity.
Laburnum (leaves, seeds) – Laburnum anagyroides
- Toxic if eaten, causing nausea and vomiting.
Image by Anna Armbrust from Pixabay
Larkspur (young plants & seeds) – Delphinium species
- Digestive upset, nervousness, depression.
- Cardiovascular system affected.
- May cause dermatitis.
- CAN BE FATAL
Image by Manfred Richter from Pixabay
Image by Alexandra_Koch from Pixabay
Laurel – Prunus species
- Harmful if eaten in quantity.
Lenton rose – Helleborus orientalis
- Harmful if eaten in quantity.
Photo by iluvgadgets from Flickr CC BY-ND 2.0
Photo by Ken Gibson from Flickr CC BY 2.0
Leopard lily – Belamcanda species
- Toxic if eaten, causing nausea and vomiting.
- May cause a skin allergy.
Leyland cypress – Cupressocyparis leylandii
- Harmful if eaten in quantity. May cause a skin allergy.
Photo by F. D. Richards from Flickr CC BY-SA 2.0
Image by Capri23auto from Pixabay
Lily – Lilium species
- Harmful if eaten in quantity.
Lily of the valley (leaves, flowers, roots) – Convallaria species
- Toxic if eaten, causing nausea and vomiting.
Image by Marina Pershina from Pixabay
Image by Annette Meyer from Pixabay
Lobelia – Lobelia species
- Harmful if eaten in quantity.
- May cause a skin allergy.
Locust – Robinia species
- Nausea and weakness
Image by Hans Braxmeier from Pixabay
Mallow – Lavatera species
- Harmful if eaten in quantity.
Image by Manfred Richter from Pixabay
Image by 7raysmarketing from Pixabay
Marijuana – Cannabis sativa
- Contains hallucinogens.
Marsh marigold – Caltha palustris
- Harmful if eaten in quantity.
Image by Christine DAUTIN from Pixabay
Photo by enviro runner from Flickr CC BY 2.0
May apple (apples, roots, foliage) – Podophyllum peltatum
- Severe diarrhea.
- Nervous system affected.
Meadow rue – Thalistrum delavayi
- Harmful if eaten in quantity.
Image by Annette Meyer from Pixabay
Image by Jan Haerer from Pixabay
Milkweed – Ascepias syriaca
- Harmful if eaten in quantity.
- May cause a skin allergy.
Mistletoe (berries) – Phoradendron flavescens
- Gastrointestinal tract affected.
- May cause dermatitis.
- If eaten by a puppy, a few berries CAN BE FATAL.
Image by Susanne Jutzeler, suju-foto from Pixabay
Image by Annette Meyer from Pixabay
Monkshood – Aconitum napellus
- Digestive upset and nervous excitement.
- Cardiovascular system affected.
Morning glory (seeds, roots) -Ipomea species
- Harmful if eaten in quantity.
Image by Capri23auto from Pixabay
Photo by Tony Hirtenstein from Flickr CC BY 2.0
Moroccan broom – Cytisus battandieri
- Harmful if eaten in quantity.
Mother-in-law’s tongue (leaves) – Dieffenbachia amaena
- Causes diarrhea and oral irritation if eaten.
- May cause dermatitis, tremors, seizures, loss of balance, asphyxiation.
- CAN BE FATAL.
Image by Veronica Bosley from Pixabay
Image by Annette Meyer from Pixabay
Mountain laurel – Kalmia latifolia
- Harmful if eaten in quantity.
Needlepoint ivy (berries & leaves)
- Gastrointestinal tract affected.
- May cause dermatitis.
Photo by Paige Filler from Flickr CC BY 2.0
Photo by Pussreboots from Flickr CC BY 2.0
Nightshades – Solanum species
- Intense digestive disturbances.
- CAN BE FATAL.
Image by Jacques GAIMARD from Pixabay
Oleander – Nerium oleander
- Affects the heart, produces severe digestive upset, extremely poisonous.
- May cause dermatitis.
- CAN BE FATAL
Photo by Harry Rose from Flickr CC BY 2.0
Paspalum (seeds) – Paspalum species
- Dermatitis
Image by John Corley from Pixabay
Peruvian lily – Chlidanthus fragans
- Harmful if eaten in quantity.
- May cause a skin allergy.
Philodendron – Philodendron species (leaves)
- Causes diarrhea and oral irritation if eaten.
- May cause dermatitis.
Image by Hans Braxmeier from Pixabay
Photo by Tony Hirtenstein from Flickr CC BY 2.0
Pineapple broom – Cytisus battandieri
- Harmful if eaten in quantity.
Poinsettia (leaves, stems & sap) – Euphorbia pulcherrima
- Diarrhea, abdominal cramps, delirium.
- Sap can cause irritation and if rubbed in eyes, blindness.
- May also cause dermatitis.
Image by Angelina Ho. from Pixabay
Poison ivy (leaves, bark & fruit) – Toxicodendron radicans
- Poisonous.
- Can cause severe blistering dermatitis if they come into contact with skin.
Image by Carla Burke from Pixabay
Photo by Malcolm Manners from Flickr CC BY 2.0
Poison oak (leaves, bark & fruit) – Toxicodendron
- May cause dermatitis.
Poison sumac – Toxicodendron vernix
- Poisonous.
- Can cause severe blistering dermatitis if they come into contact with skin.
Photo by Joshua Mayer from Flickr CC BY-SA 2.0
Image by Goran Horvat from Pixabay
Pokeroot/Pokeweed – Phytolacca americana
- Toxic if eaten, causing nausea and vomiting.
Primrose (leaves) – Primula vulgaris
- Upset stomach.
- May cause dermatitis.
Image by Capri23auto from Pixabay
Ragwort – Senecio species
- Causes kidney failure and liver damage which is irreversible.
- Minute doses fatal, often wrongly diagnosed.
Image by TheOtherKev from Pixabay
Image by Håkan Stigson from Pixabay
Raisins
- Causes kidney failure.
- CAN BE FATAL
Rapeseed – Brassicus napus
- Haemolytic anaemia, blindness, damage to nervous system, digestive disorders, breathing problems
Image by congerdesign from Pixabay
Image by Mari Vorobei from Pixabay
Red-ink plant – Phytolacca americana
- Toxic if eaten, causing nausea and vomiting.
Rhododendron – Rhododendron species
- Nausea, vomiting, depression, difficulty breathing and coma.
- CAN BE FATAL.
Image by S. Hermann & F. Richter from Pixabay
Image by Di Reynolds from Pixabay
Rhubarb (leaves) – Rheum species
- Large amounts of raw or cooked leaves can cause convulsions and coma.
- CAN BE FATAL.
Rosebay – Rhododendron aureum
- Toxic if eaten, causing nausea and vomiting.
Image by Markku Vuorenmaa from Pixabay
Image by Bishnu Sarangi from Pixabay
Rose periwinkle – Catharanthus roseus
- Harmful if eaten in quantity.
Rue – Ruta graveolens
- Toxic if eaten, causing nausea and vomiting.
- May cause a skin allergy.
Photo by 阿橋 HQ from Flickr CC BY-SA 2.0
Image by Salvatore Campo from Pixabay
Sago palm – Cycas revoluta
- CAN BE FATAL
Silkweed – Asclepias species
- Harmful if eaten in quantity.
Image by WikimediaImages from Pixabay
Image by Annette Meyer from Pixabay
Spurge – Euphorbia species
- Harmful if eaten in quantity.
- May cause a skin allergy.
Squill – Scilla species
- Harmful if eaten in quantity.
Image by Ian Lindsay from Pixabay
Image by eliza28diamonds from Pixabay
Star-of-Bethlehem (bulbs) – Ornithogalum species
- Harmful if eaten in quantity.
Image by Annette Meyer from Pixabay
St Johns Wort – Hypericum perforatum
- Harmful if eaten in quantity.
Taro vine – Monstera deliciosa
- Causes diarrhea and oral irritation if eaten.
- May cause dermatitis.
Photo by Dinesh Valke from Flickr CC BY-SA 2.0
Tobacco plant (leaves) – Nicotiana
- Harmful if eaten in quantity.
Image by Bishnu Sarangi from Pixabay
Image by Capri23auto from Pixabay
Tulip – Tulipa species
- Harmful if eaten in quantity.
- May cause a skin allergy.
Umbrella plant – Schefflera species
- Toxic if eaten, causing vomiting, diarrhea.
Photo by Forest and Kim Starr from Flickr CC BY 2.0
Varnish tree – Toxicodendron vernicifluum
- Poisonous.
- Can cause severe blistering dermatitis if they come into contact with skin.
Water Dropwort (Hemlock) – Oenanthe crocata
- Rapid-onset violent convulsions.
- CAN BE FATAL.
Photo by Hugh Knott from Flickr CC BY-ND 2.0
Image by Hans Braxmeier from Pixabay
Water hemlock – Cicuta maculata
- Violent painful convulsions.
- CAN BE FATAL.
Windflower – Anemone species
- Harmful if eaten in quantity.
Image by WikimediaImages from Pixabay
Image by Capri23auto from Pixabay
Wisteria (pods, seeds) – Wisteria
- Nausea, repeated vomiting, stomach pains, severe diarrhea, dehydration and collapse.
Wolfsbane – Aconitum septentrionale
- Toxic if eaten, causing nausea and vomiting.
Image by Wolfgang Claussen from Pixabay
Image by TheOtherKev from Pixabay
Woody nightshade
- Toxic if eaten, causing nausea and vomiting.
Yew (berries & foliage) – Taxus species
- Dizziness, dry mouth and mydriasis develop within one hour, followed by abdominal cramping, salivation and vomiting.
- Foliage is more fatal than berries, death can be sudden without warning or symptoms.
- CAN BE FATAL.
Image by Alexas_Fotos from Pixabay