Flowers and Pets
Most Flowers and Plants are meant to be a decorative element in our homes and gardens, not to be eaten by our family pets! You may be surprised to discover just how many popular flowers and plants are poisonous to your beloved pets. Below is a handy pictorial guide to toxic plants for Dogs, Cats and Horses. This guide includes pictures, popular flower/plant names as well as their scientific names, tells you which pet the flower/plant is toxic to and the symptoms to watch for, just in case.
Looking for details on a specific plant? Click a letter below to move directly to all of the plants listed under that letter.
A B C D E F G H I J K L M O P R S T Y 
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Scientific Name: Aloe Vera Family: Liliaceae |
Toxic to: Dogs Cats |
Symptoms: Vomiting, depression, diarrhea, anorexia, tremors, change in urine color. |
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Amaryllis Other Common Names: Belladonna lily, Saint Joseph lily, Cape Belladonna, Naked Lady Scientific Name: Amaryllis sp. Family: Amaryllidaceae |
Toxic to: Dogs Cats |
Symptoms: Vomiting, depression, diarrhea, abdominal pain, hyper-salivation, anorexia, tremors. |
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Apple Other Common Names: Includes crabapples Scientific Name:
Malus sylvestrus Family: Rosaceae |
Toxic to: Dogs Cats Horses |
Causes: Stems, leaves & seeds contain cyanide, particularly toxic in the process of wilting. Symptoms: brick red mucous membranes, dilated pupils, difficulty breathing, panting, shock. |
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Apricot Scientific Name: Prunus armeniaca Family: Rosaceae |
Toxic to: Dogs Cats Horses |
Causes: Stems, leaves & seeds contain cyanide, particularly toxic in the process of wilting. Symptoms: brick red mucous membranes, dilated pupils, difficulty breathing, panting, shock. |
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Asian Lily Other Common Names: Asiatic Lily Scientific Name: Lilium asiatica Family: Liliaceae |
Toxic to: Cats |
Symptoms: Vomiting, inappetence, lethargy, kidney failure, and death is possible. |
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Asparagus Fern Other Common Names: Asparagus, Emerald Feather, Emerald Fern, Sprengeri Fern, Plumosa Fern, Lace Fern, Racemose Asparagus, Shatavari Scientific Name: Asparagus densiflorus cv sprengeri Family: Liliaceae |
Toxic to: Dogs Cats |
Symptoms: Allergic dermatitis with repeated dermal exposure. Berry ingestion could result in gastric upset, vomiting, abdominal pain, diarrhea. |
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Autumn Crocus Other Common Names: Meadow Saffron Scientific Name: Colchicum autumnale Family:Liliaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Oral irritation, bloody vomiting, diarrhea, shock, multi-organ damage, bone marrow suppression. |
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Avocado Other Common Names: Alligator Pear Scientific Name: Persea americana Family: Lauraceae |
Toxic to: Dogs Cats Horses Cattle Rabbits Goats Birds |
Symptoms: Horses: Poisonings can occur when avocado groves are used as pastures, or pruned branches become accessible. The leaves, seeds fruit and bark are likely all toxic. Clinical effects occur mainly in mares, and includes noninfectious mastitis, as well as occasional gastritis and colic. |
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Azalea Other Common Names: Rosebay, Rhododendron Scientific Name: Rhododendron spp Family: Ericaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Vomiting, diarrhea, hypersalivation, weakness, coma, hypotension, CNS depression, cardiovascular collapse and death. Ingestion of a few leaves can cause serious problems. Rhododendron is typically not very palatable to horses unless it is the only forage available. The toxic principle interferes with normal skeletal muscle, cardiac muscle and nerve function. Clinical effects typically occur within a few hours after ingestion, and can include acute digestive upset, excessive drooling, loss of appetite, frequent bowel movements, diarrhea, colic, depression, weakness, loss of coordination, stupor, leg paralysis, weak heart rate and recumbency for 2 or more days; at this point, improvement may be seen or the animal may become comatose and die. |
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Other Common Names: Maidens Breath Scientific Name: Gypsophila elegans Family: Caryophyllaceae |
Toxic to: Dogs Cats |
Symptoms: vomiting, diarrhea. |
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Begonia Scientific Name: Begonia spp Family: Begoniaceae |
Toxic to: Dogs Cats |
Symptoms: Oral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting, difficulty swallowing. Tubers are the most toxic. |
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Bird of Paradise Other Common Names: Crane Flower, Bird's Tongue Flower Scientific Name: Strelitzia reginae Family: Strelitziaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Mild nausea, vomiting, drowsiness; caused mainly by fruit and seeds. Should not be confused with Caesalpinia or Poinciana gilliesii, which is also known as Bird of Paradise and is more toxic. |
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Buttercup Other Common Names: Butter Cress, Figwort Scientific Name: Ranunculus sp. Family: Ranunculaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Vomiting, diarrhea, depression, anorexia, hyper-salivation and wobbly gait. |
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Other Common Names: Pig Lily, White Arum, Trumpet Lily, Florist's Calla, Garden Calla, Arum Lilly Scientific Name: Zantedeschia aethiopica Family: Araceae |
Toxic to: Dogs Cats |
Symptoms: Oral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting, difficulty swallowing |
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Carnation Other Common Names: Pinks, Wild Carnation, Sweet Willian Scientific Name: Dianthus caryophyllus Family: Caryphyllaceae |
Toxic to: Dogs Cats |
Symptoms: Mild gastrointestinal signs, mild dermatitis |
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Cherry Scientific Name: Prunus species Family: Rosaceae |
Toxic to: Dogs Cats Horses |
Causes: Stems, leaves & seeds contain cyanide, particularly toxic in the process of wilting. Symptoms: brick red mucous membranes, dilated pupils, difficulty breathing, panting, shock. |
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Christmas Rose Other Common Names: Hellebore, Lenten Rose, Easter Rose Scientific Name: Helleborus niger Family: Ranunculaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Drooling, abdominal pain, diarrhea, colic, depression. |
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Chrysanthemum Other Common Names: Daisy, Mum Scientific Name: Chrysanthemum spp. Family: Compositae |
Toxic to: Dogs Cats Horses |
Symptoms: Vomiting, diarrhea, hyper-salivation, in-coordination, dermatitis |
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Clematis Other Common Names: Virgin's Bower, Leatherflower Scientific Name: Clematis sp. Family: Ranunculaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Salivation, vomiting, diarrhea. |
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Cutleaf Philodendron Other Common Names: Hurricane Plant, Swiss Cheese Plant, Ceriman, Mexican Breadfruit, Split-leaf Philodendron, Window Leaf Plant Scientific Name: Monstera deliciosa Family: Araceae |
Toxic to: Dogs Cats |
Symptoms: Oral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting, difficulty swallowing. |
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Cyclamen Other Common Names: Sowbread Scientific Name: Cyclamen spp Family: Primulaceae |
Toxic to: Dogs Cats |
Symptoms: Salivation, vomiting, diarrhea. Following large ingestions of tubers: heart rhythm abnormalities, seizures, death. |
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Other Common Names: Narcissus, Jonquil, Paper White Scientific Name: Narcissus spp Family: Amaryllidaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Vomiting, salvation, diarrhea; large ingestions cause convulsions, low blood pressure, tremors and cardiac arrhythmias. Bulbs are the most poisonous part. |
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Dahlia Scientific Name: Dahlia species Family: Compositae |
Toxic to: Dogs Cats |
Symptoms: Mild gastrointestinal signs, mild dermatitis. |
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Daisy Other Common Names: Chrysanthemum, Mum Scientific Name: Chrysanthemum species Family: Compositae |
Toxic to: Dogs Cats |
Symptoms: Vomiting, diarrhea, hyper-salivation, in-coordination, dermatitis. |
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Day Lilies Scientific Name: Hemerocallis spp. Family: Liliaceae |
Toxic to: Cats Cows |
Symptoms: Cats: kidney failure. |
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Dieffenbachia Other Common Names: Charming Dieffenbachia, Giant Dumb Cane, Tropic Show, Dumbcane, Exotica, Spotted Dumb Cane, Exotica Perfection. Scientific Name: Dieffenbachia Family: Araceae |
Toxic to: Dogs Cats |
Symptoms: Oral irritation, intense burning and irritation of mouth , tongue and lips, excessive drooling, vomiting, difficulty swallowing. |
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Dracaena Other Common Names: Corn Plant, Cornstalk Plant, Dragon Tree, Ribbon Plant. Scientific Name: Dracaena spp. Family: Agavaceae |
Toxic to: Dogs Cats |
Symptoms: Vomiting (occasionally with blood), depression, anorexia, hyper-salivation, dilated pupils. |
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Scientific Name: Lilium longiflorum Family: Liliaceae |
Toxic to: Cats |
Symptoms: Vomiting, inappetence, lethargy, kidney failure, and death is possible. |
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English Ivy Other Common Names: Branching Ivy, Glacier Ivy, Needlepoint Ivy, Sweetheart Ivy, California Ivy. Scientific Name: Hedera helix Family: Araliaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Vomiting, abdominal pain, hyper-salivation, diarrhea. Foliage is more toxic than berries. |
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Eucalyptus Scientific Name: Eucalyptus Family: Myrtaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Salivation, vomiting, diarrhea, depression, weakness. |
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Other Common Names: Bishop's Weed, Greater Ammi Scientific Name: Ammi majus Family: Apiaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Oral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting, difficulty swallowing. |
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Foxglove Scientific Name: Digitalis purpurea Family: Scrophalariaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Cardiac arrhythmias, vomiting, diarrhea, weakness, cardiac failure, death. |
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Other Common Names: Chamomile, Ground Apple, Roman Chamomile Scientific Name: Anthemis nobilis Family: Asteraceae |
Toxic to: Dogs Cats Horses |
Symptoms: Contact dermatitis, vomiting, diarrhea, anorexia, allergic reactions. Long term use can lead to bleeding tendencies. |
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Garden Hyacinth Other Common Names: Hyacinth Scientific Name: Hyacinthus orientalis Family: Liliaceae |
Toxic to: Dogs Cats |
Symptoms: Vomiting, diarrhea, dermatitis and allergic reactions. Bulbs contain highest amount of toxin. |
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Gardenia Other Common Names: Cape Jasmine Scientific Name: Gardenia jasminoides Family: Rubiaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Mild vomiting and/or diarrhea, hives. |
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Garlic Other Common Names: Stinking Rose, Rustic Treacle, Comphor of the Poor, Nectar of the Gods, Serpet Garlic, Rocambole Scientific Name: Allium sativum Family: Liliaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Vomiting, breakdown of red blood cells (hemolytic anemia, Heinz body anemia), blood in urine, weakness, high heart rate, panting. |
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Geranium Scientific Name: Pelargonium Family: Geraniaceae |
Toxic to: Dogs Cats |
Symptoms: Vomiting, anorexia, depression, dermatitis. |
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Gladiola Scientific Name: Gladiolus species Family: Iridaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Salivation, vomiting, drooling,lethargy, diarrhea. Highest concentration in bulbs. |
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Grapefruit Scientific Name: Citrus paradisii Family: Rutaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Vomiting, diarrhea, depression; potential photosensitivity. |
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Other Common Names: Rose of Sharon, Rose of China Scientific Name: Hibiscus syriacus Family: Malvaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Vomiting, diarrhea, nausea, anorexia. |
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Hops Scientific Name: Humulus lupulus Family: Cannabidaceae |
Toxic to: Dogs |
Symptoms: Panting, high body temperature, seizures, death. |
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Hosta Other Common Names: Plantain Lily, Funkia Scientific Name: Hosta plataginea Family: Liliaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Vomiting, diarrhea, depression. |
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Hydrangea Other Common Names: Hortensia, Hills of Snow, Seven Bark Scientific Name: Hydrangea arborescens Family: Hydrangeaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Vomiting, depression, diarrhea. Cyanide intoxication is rare, usually produces more of a gastrointestinal disturbance. |
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Other Common Names: Flag, Snake Lily, Water Flag Scientific Name: Iris species Family: Iridaceae |
Toxic to: Dogs Cats |
Symptoms: Salivation, vomiting, drooling,lethargy, diarrhea. Highest concentration in rhizomes. |
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Other Common Names: Three-leaved indian turnip, Devil's dear, Wake robin, Starch wort, Wild turnip, Dragon root, Bog onion, Pepper turnip, Brown dragon, Memory root Scientific Name: Arisaema triphyllum Family: Araceae |
Toxic to: Dogs Cats Horses |
Symptoms: Oral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting, difficulty swallowing. |
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Jade Plant Other Common Names: Baby Jade, Dwarf rubber plant, Jade tree, Chinese rubber plant, Japanese rubber plant Scientific Name: Crassula argentea Family: Crassulaceae |
Toxic to: Dogs Cats |
Symptoms: Vomiting, depression, ataxia, slow heart rate. |
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Other Common Names: Mother-in-law Plant, Devils Backbone, Chandelier Plant, Mother of Millions Scientific Name: Kalanchoe spp Family: Crassulaceae |
Toxic to: Dogs Cats |
Symptoms: Vomiting, depression, ataxia, slow heart rate. |
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Scientific Name: Delphinium species Family: Ranunculaceae |
Toxic to: Dogs Cats Horses |
Symptoms: neuromuscular paralysis, constipation, colic, increased salivation, muscle tremors, stiffness, weakness, recumbency, and convulsions. Cardiac failure, death from respiratory paralysis. |
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Leek Other Common Names: Elephant Garlic Scientific Name: Allium ampeloprasum Family: Liliaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Vomiting, breakdown of red blood cells (hemolytic anemia, Heinz body anemia), blood in urine, weakness, high heart rate, panting. |
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Lemon Scientific Name: Citrus limonia Family: Rutaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Vomiting, diarrhea, depression; potential photosensitivity. |
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Lily Scientific Name: Lilium species Family: Liliaceae |
Toxic to: Cats |
Symptoms: Kidney failure. |
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Lime Scientific Name: Citrus aurantifolia Family: Rutaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Vomiting, diarrhea, depression; potential photosensitivity. |
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Lobelia Other Common Names: Cardinal Flower, Indian Pink Scientific Name: Lobelia cardinalis Family: Campanulaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Depression, diarrhea, vomiting, excessive salivation, abdominal pain, heart rhythm disturbances. |
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Scientific Name: Ipomoea spp Family: Convolvulaceae |
Toxic to: Dogs Cats |
Symptoms: Gastrointestinal upset, agitation, tremors, disorientation, ataxia, anorexia. Seeds may cause hallucination, may cause diarrhea.. |
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Scientific Name: Allium cepa Family: Liliaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Gastrointestinal upset, hemolytic anemia, heinz Vomiting, breakdown of red blood cells (hemolytic anemia, Heinz body anemia), blood in urine, weakness, high heart rate, panting. |
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Orange Scientific Name: Citrus sinensis Family: Rutaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Vomiting, diarrhea, depression; potential photosensitivity. |
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Scientific Name: Prunus species Family: Rosaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Stems, leaves, seeds contain cyanide, particularly toxic in the process of wilting: brick red mucous membranes, dilated pupils, difficulty breathing, panting, shock. |
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Peony Scientific Name: Paeonis officinalis Family: Paeniaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Vomiting, diarrhea, depression. |
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Primrose Scientific Name: Primula vulgaris Family: Primulaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Mild vomiting. |
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Other Common Names: Rosebay, Azalea Scientific Name: Rhododendron spp Family: Ericaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Vomiting, diarrhea, hyper-salivation, weakness, coma, hypotension, CNS depression, cardiovascular collapse and death. Ingestion of a few leaves can cause serious problems. |
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Rhubarb Other Common Names: Pie Plant Scientific Name: Rheum rhabarbarium Family: Polygonaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Kidney failure, tremors, salivation. |
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Scientific Name: Lilium orientalis Family: Liliaceae |
Toxic to: Cats |
Symptoms: Vomiting, inappetence, lethargy, kidney failure and death is possible. |
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Sweet Pea Other Common Names: Perennial Pea, Everlasting Pea Scientific Name: Lathyrus latifolius Family: Fabaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Weakness, lethargy, pacing, head pressing, tremors, seizures and possibly death. |
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Scientific Name: Lilium tigrinum Family: Liliaceae |
Toxic to: Cats |
Symptoms: Vomiting, inappetence, lethargy, kidney failure, and death is possible. |
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Tomato Plant Scientific Name: Lycopersicon spp Family: Solanaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Hyper-salivation, inappetence, severe gastrointestinal upset, diarrhea, drowsiness, CNS depression, confusion, behavioral change, weakness, dilated pupils, slow heart rate. |
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Tulip Scientific Name: Tulipa species Family: Liliaceae |
Toxic to: Dogs Cats Horses |
Symptoms: Vomiting, depression, diarrhea, hyper-salivation. Highest concentration of toxin in bulb. |
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Other Common Names: Milfoil Scientific Name: Achillea millefolium Family: Asteraceae |
Toxic to: Dogs Cats Horses |
Symptoms: vomiting, diarrhea, depression, anorexia, hyper-salivation. |
