IMPORTANT INFORMATION – please read Dogs Trust assumes no liability for the content of the following list. This does not represent a complete list of all poisonous plants and is only intended as a guide. Please contact your veterinary surgeon for advice or treatment immediately if you think your pet has eaten any of the following plants and is showing a bad reaction. Your pet may also have a sensitivity or allergy to a plant that is not on the list, so always be vigilant and seek help if you are worried about your pet’s health.
Common name Botanical name Details (if known) Aconite (roots, Aconitum
Toxic if eaten, causing nausea and vomiting. May
foliage, seeds) species
also affect cardiac function – increased heart rate.
African violet Saintpaulia (leaves) ionantha Aloe vera Aloe vera Hippeastrum
Upset stomach, hyperactivity, lethargy, coma,
Amaryllis (bulbs) species
shock. Can be fatal. Brugmansia Angels’ trumpets
Toxic if eaten, causing nausea and vomiting.
species Caladium
Upset stomach, oral irritation, asphyxiation, tremors,
Angel wings species
seizures, loss of balance. Can be fatal. Apple (seeds) Malus species
Seeds contain cyanide. Varied toxic effects.
Apple leaf croton Prunus Apricot (kernels)
Kernels contain cyanide. Can be fatal. armeniaca
Harmful if eaten in quantity. May cause a skin
Arborvitae Thuja species Arrow grasses Triglochin (leaves) species Asparagus
Contains a wide variety of poisons resulting in a
Asparagus fern setaceus Crocus Autumn crocus speciosus Avocado (fruit & Persea
Diarrhoea, vomiting, laboured breathing. Can be americana fatal. Nausea, vomiting, depression, difficulty breathing Rhododenron
and coma. Can be fatal if eaten in large enough Azalea (all parts) occidentale quantities.
Gypsophila Baby’s breath paniculata Barilla (leaves & Salsola soda Bird of paradise Strelitzia reginae
Gastrointestinal tract affected by the plant toxins.
Celastrus Bittersweet
Toxic if eaten, causing nausea and vomiting.
angulatus Bleeding heart
Poisonous in large amounts, contains convulsants.
Dicentra formosa (foliage, roots) Bluebell Hyacinthoides Buxus Box (leaves) sempervirens Boxwood (leaves,
Upset stomach, heart failure, excitability or lethargy.
Hebe odora Pteridium aquilinum Cytisus species Buckeyes (nuts & Aesculus immature growths) species
Toxic if eaten, causing nausea and vomiting. May
Burning bush Kochia scoparia Ranunculus
Juice may severely injure digestive system. May
Buttercup species Caladium Caladium species Calico bush Kalmia species Zantedeschia Calla lily (leaves) species Euphorbia Caper Spurge lathyris Lobelia Cardinal flower cardinalis Castor bean Ricinus
May cause dermatitis. A single Rosary Pea or
(leaves and seeds) communis
one/two Castor bean seeds can be fatal. Monstera
Causes diarrhoea and oral irritation if eaten. May
deliciosa Chenille Plant Acalypha hispida Cherry (kernels) Prunus species Prunus Cherry laurel laurocerasus China Berry Melia azedarach Chinese evergreen Aglaonema Christmas rose Helleborus niger (leaves, roots) Chrysanthemum Chrysanthemum (leaves & stems) species Cineraria Senecio species Clematis
Gastrointestinal tract and nervous system affected
Clematis armandii
by plant toxins. May cause dermatitis. Similar toxic effects to that of chocolate –
Cocoa husks or
hyperactivity, increased heart rate. Can kill if
Corn cockle Agrostemma species Dracaena Corn plant species Anemone species Colchicum autumnale Codiaeum species Crown vetch Coronilla varia
Toxic if eaten, causing nausea and vomiting. May
Cuckoo pint Arum maculatum Anunculus Crowfoot species Encephalartos species Cyclamen
Gastrointestinal tract affected. Convulsions and
Cyclamen species Narcissus
Nausea, vomiting, diarrhoea. May also cause
Daffodil (bulbs) species
dermatitis. Can be fatal. Gastrointestinal tract and kidneys affected. May Daphne species Brugmansia species Atropa Deadly nightshade
Toxic if eaten, causing nausea and vomiting.
belladonna Delphinium (seeds, Delphinium young plants) species Solanum Devil’s fig hispidium
Causes diarrhea and oral irritation if eaten. May
Dieffenbachia Dieffenbachia
cause dermatitis. Tremors, seizures, loss of
species
balance, asphyxiation. Can be fatal. Dracaena Dragon tree species
Causes diarrhoea and oral irritation if eaten. May
Dieffenbachia Dumb cane
cause dermatitis. Tremors, seizures, loss of
amaena
balance, asphyxiation. Can be fatal. Dwarf morning Convolvulus tricolor Lilium Easter lily longiflorum
Harmful if eaten in quantity. May cause a skin
Echium Echium species Elder (leaves, root, Sambuccus species Sambucus Elderberry canadensis
Intense burning, irritation and swelling of the mouth
Elephant ears Bergenia species
and throat. If tongue swells enough to block air passage can be fatal. English ivy
Gastrointestinal tract affected. May cause
Hedera helix (berries & leaves) Euonymus European spindle europaeus False hellebore (roots, seeds, Veratrum album
Toxic if eaten, causing nausea and vomiting.
leaves) Flannel flower Phylica plumosa Linum usitatissimum Foxglove (leaves, Digitalis species
Toxic if eaten, causing nausea and vomiting.
seeds) Fritillary Fritillaria species Monstera
Causes diarrhoea and oral irritation if eaten. May
Fruit salad plant deliciosa Gaulthera Gaultheria mucronata Geranium Geranium species German ivy
Gastrointestinal tract affected. May cause
Delairea odorata (berries & leaves) German primula Glory lily Gloriosa superba
Toxic if eaten, causing nausea and vomiting.
Golden chain Laburnum
Toxic if eaten, causing nausea and vomiting.
(seed capsules) Aquilegia Granny’s bonnets vulgaris Nandina Heavenly bamboo domestica Helleborus Hellebores species Heliotropum Heliotrope arborescens Tsuga species Hyposcyamus
Toxic if eaten, causing nausea and vomiting.
niger Hibiscus Hibiscus species Holly (berries) Ilex species
Upset stomach, tremors, seizures, loss of balance.
Horse chestnut Aesculus (nuts, leaves) hippocastanum Hurricane plant Monstera
Varied toxic effects. Causes diarrhoea and oral
deliciosa
irritation if eaten. May cause dermatitis.
Hyacinthus
Harmful if eaten in quantity. May cause a skin
Hyacinth (bulbs) orientalis Hydrangea Hydrangea species Iris (roots) Iris species
Severe digestive upset. May cause dermatitis.
Ivy (entire plant) Hedera helix Arisaema Jack in the pulpit species Euonymus Japanese spindle sieboldianus Japanese yew Taxus species Jessamine (berries
Digestive disturbance. Gastrointestinal tract and
Cestrum species & sap)
nervous system affected. Can be fatal. Jerusalem Cherry Solanum
Gastrointestinal tract affected. May cause
(immature pseudocapsicum growths) Jimson weed Datura
Abnormal thirst, distorted sight, delirium,
(Thorn Apple) stramonium
incoherence, coma. Can be fatal. Narcissus Jonquil (bulb) species Juniperus species Kalanchoe
Depression, rapid breathing, teeth grinding, ataxia,
Kalanchoe species Brassica
Haemolytic anaemia, goitre, possible reduced
oleracea Caltha palustris Laburnum (leaves, Laburnum
Toxic if eaten, causing nausea and vomiting.
anagyroides Lantana camara
Toxic if eaten, causing nausea and vomiting. Digestive upset, nervousness, depression.
Larkspur (young Delphinium
Cardiovascular system affected. May cause
plants & seeds) species
dermatitis. Can be fatal. Prunus species Helleborus Lenton rose orientalis Belamcanda
Toxic if eaten, causing nausea and vomiting. May
Leopard lily species Cupressocyparis
Harmful if eaten in quantity. May cause a skin
Leyland cypress leylandii Lilium species Lily of the valley Convallaria (leaves, flowers,
Toxic if eaten, causing nausea and vomiting.
species roots) Lily of the valley Pieris japonica
Harmful if eaten in quantity. May cause a skin
Lobelia species Robinia species Lupin (leaves, Lupinus species seeds) Mallow Lavatera species Maple Tree Acer species Marijuana Cannabis sativa Marsh marigold Caltha palustris May apple (apples, Podophyllum
Severe diarrhoea. Nervous system affected.
roots, foliage) peltatum Thalistrum Meadow rue delavayi Daphne Mezereon mezereum
Harmful if eaten in quantity. May cause a skin
Milkweed Ascepias syriaca
allergy. Gastrointestinal tract affected. May cause
Phoradendron Mistletoe (berries)
dermatitis. If eaten by a puppy, a few berries can flavescens be fatal. Aconitum Monkshood napellus Morning glory Ipomea species (seeds, roots) Cytisus Moroccan broom battandieri Mother-in-law’s Dieffenbachia
Causes diarrhoea and oral irritation if eaten. May
tongue (leaves) amaena
cause dermatitis. Tremors, seizures, loss of
balance, asphyxiation. Can be fatal. Mountain laurel Kalmia latifolia Colchium Naked ladies
Toxic if eaten, causing nausea and vomiting.
species Narcissus
Nausea, vomiting, diarrhoea. May cause dermatitis.
Narcissus (bulbs) Can be fatal. Needlepoint ivy
Gastrointestinal tract affected. May cause
(berries & leaves) Nerine bowdenii Nightshades Solanum species
Intense digestive disturbances. Can be fatal. Oak tree (foliage &
Affects kidneys. Symptoms appear after several
Quercus species
days. Affects the heart, produces severe digestive upset,
Oleander Nerium oleander
extremely poisonous. May cause dermatitis. Can be fatal. Causes anemia. Onions should not be fed to Allium species dogs in any form. Paspalum Paspalum (seeds) species Pulsatilla Pasque flower vulgaris Spathiphyllum
Gastrointestinal tract affected. May cause
Peace lily species Peach (stones & Prunus persica Opuntia Pencil cactus leptocaulis Peony (roots) Paeonia species
Harmful if eaten in quantity. May cause a skin
Chlidanthus Peruvian lily fragans Philodendron
Causes diarrhoea and oral irritation if eaten. May
Philodendron species (leaves) Cytisus Pineapple broom battandieri
Diarrhea, abdominal cramps, delirium. Sap can
Poinsettia (leaves, Euphorbia
cause irritation and if rubbed in eyes, blindness.
stems & sap) pulcherrima Conium
Nervous system affected. May cause dermatitis.
Poison hemlock maculatum Can be fatal. Poison ivy (leaves, Toxicodendron
Poisonous. Can cause severe blistering dermatitis if
bark & fruit) radicans Poison oak (leaves, bark & Toxicodendron Toxicodendron
Poisonous. Can cause severe blistering dermatitis if
Poison sumac vernix Phytolacca Pokeroot
Toxic if eaten, causing nausea and vomiting.
americana Phytolacca Pokeweed
Toxic if eaten, causing nausea and vomiting.
americana Poppy (unripe Papaver species seedpod) Potato (green skin Solanum & sprouts) tuberosum Argemone Prickly poppy mexicana Primrose (leaves) Primula vulgaris Ligustrum Privet (leaves) species
Causes kidney failure and liver damage which is
Senecio species
irreversible. Minute doses fatal, often wrongly diagnosed.
Causes kidney failure. Can be fatal. Haemolytic anaemia, blindness, damage to nervous
Brassicus napus
system, digestive disorders, breathing problems
Phytolacca Red-ink plant
Toxic if eaten, causing nausea and vomiting.
americana Rhododendron
Nausea, vomiting, depression, difficulty breathing
Rhododendron species
and coma. Can be fatal. Large amounts of raw or cooked leaves can cause Rhubarb (leaves) Rheum species
convulsions and coma. Can be fatal. Rhododendron
Toxic if eaten, causing nausea and vomiting.
aureum Catharanthus Rose periwinkle roseus
Toxic if eaten, causing nausea and vomiting. May
Ruta graveolens Sago palm Cycas revoluta Can be fatal Juniperus sabina Brassaia
Harmful if eaten in quantity. May cause a skin
Schefflera actinophylla Asclepias Silkweed species Galanthus Snowdrops species Solomon’s seal Polygonatum Chlorophytum Spider plant species Spruce Tree Picea species Euphorbia
Harmful if eaten in quantity. May cause a skin
species Scilla species Star-of-Bethlehem Ornithogalum species Smilacina Starflower stellata Hypericum St Johns Wort perforatum Senecio String of rowleyanus or pearls/beads herreianus Lathyrus Sweet pea (stem) odoratus Monstera
Causes diarrhoea and oral irritation if eaten. May
Swiss cheese plant deliciosa Monstera
Causes diarrhoea and oral irritation if eaten. May
Taro vine deliciosa Tiger lily Lilium Tobacco plant Nicotiana (leaves) Pittosporum tobira Tomato plant Lycopersicon (green fruit, stem & lycospersicum
Harmful if eaten in quantity. May cause a skin
Tulipa species Schlefflera Umbrella plant
Toxic if eaten, causing vomiting, diarrhoea.
species Toxicodendron
Poisonous. Can cause severe blistering dermatitis if
Varnish tree vernicifluum Walnut (green hull Juglans nigra juice) Water hemlock Cicuta maculata
Violent painful convulsions. Can be fatal. Toxicodendron
Poisonous. Can cause severe blistering dermatitis if
succedaneum Weeping fig Ficus species Wild cherry tree Prunus avium
Gasping, excitement, prostration. Can be fatal. (twigs & foliage) Anemone Windflower species Wisteria (pods,
Nausea, repeated vomiting, stomach pains, severe
Wisteria Aconitum Wolfsbane
Toxic if eaten, causing nausea and vomiting.
septentrionale Woody nightshade
Toxic if eaten, causing nausea and vomiting.
Achillea species
Dizziness, dry mouth and mydriasis develop within one hour, followed by abdominal cramping,
Yew (berries & Taxus species
salivation and vomiting. Foliage is more fatal than
foliage)
berries, death can be sudden without warning or symptoms. Can be fatal. List of common potentially poisonous household and garden substances –as supplied by the VPIS (Veterinary Poisons Information Service)
Anticoagulant rodenticides
difenacoum bromadiolone brodadiolone coumatetralyl
Ibuprofen Metaldehyde Human oral contraceptives (very low toxicity) Chocolate / theobromine Diclofenac sodium (a similar drug to Ibuprofen) Salbutamol Alphachloralose rodenticides Paraquat Wallpaper paste (very low toxicity) Borax / Boric acid ant killer gels Bonemeal Glyphosate based herbicides Asprin Cannabis Batteries Bendiocarb White spirit / barbecue lighter fluid Antifreeze Loperamide Bleach Pyrethrin-based insecticides Creosote Temazepam For more information about Dogs Trust, to become a member, sponsor a long-term resident or help us in our campaigns please call 020 7837 0006 or write to: Dogs Trust, 17 Wakley Street, London EC1V 7RQ. Dogs Trust 2005. This site and its graphics are copyrighted. All rights reserved. You may print this factsheet for your own information and photocopy it if multiple copies are required. You may not sell it, reproduce it on the Internet, or reprint it in any publication without permission from Dogs Trust Legal Department.
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IMPORTANT INFORMATION – please read