Common Flowers Toxic to Cats

Common flowers you may find in floral arrangements, potted flowers that are toxic to cats and common garden flowers which can be cut and brought inside.

Tulips

Tulips

  • Scientific name: Tulipa spp.
  • Toxic compound: Tulipalin A and B
  • Toxic parts: All parts, the bulb is the most toxic
  • Causes: Gastrointestinal disturbances
  • Symptoms: Dizziness, nausea, drooling, abdominal pain, loss of coordination, lethargy, and weakness

Daffodils and jonquils

Daffodils

  • Scientific name: Narcissus spp.
  • Toxic compound: Lycorine
  • Toxic parts: All parts, the bulb is the most toxic
  • Causes: Gastrointestinal disturbances and cardiac arrhythmias
  • Symptoms: Vomiting, drooling, diarrhea, seizures, abdominal pain, tremors and cardiac arrhythmias.

Amaryllis

Is amaryllis (belladonna lily) toxic to cats?

  • Scientific name: Amaryllis
  • Other names: Belladonna Lily, Naked Lady, Resurrection Lily, Butterfly Amaryllis, St Joseph Lily
  • Toxic compound: Lycorine
  • Toxic parts: All parts, the bulb, and leaves are the most toxic
  • Causes: Gastrointestinal disturbances
  • Symptoms: Vomiting, drooling, diarrhea, abdominal pain, loss of appetite and tremors.

Dahlia

Dahlia

Photo by Tinuke Bernard on Unsplash

  • Scientific name: Dahlia spp.
  • Toxic compound: Unknown
  • Toxic parts: All parts
  • Causes: Gastrointestinal disturbances and skin irritation
  • Symptoms: Vomiting, diarrhea, loss of appetite, skin irritation

Lilies

Lily

  • Scientific name: Lilium and Hemerocallis
  • Other names: Rubrum Lily, Tiger Lily, Asiatic Lily, Day Lily, Stargazer Lily, and Easter Lily
  • Toxic compound: Unknown
  • Toxic parts: All parts of the plant are toxic to cats
  • Causes: Kidney failure
  • Symptoms: Vomiting, drooling, loss of appetite, lethargy, depression, increased urination followed by decreased/absent urination.

See more on lily poisoning here.

Calla lily

Calla lily

  • Scientific name: Zantedeschia aethiopica
  • Other names: Arum Lily, Calla Lily, Florist’s Calla, Pig Lily, White Arum, Trumpet Lily, White Arum, Garden Calla
  • Toxic compound: Insoluble calcium oxalate crystals
  • Toxic parts: All parts, the roots are the most toxic
  • Causes: Gastrointestinal and oral irritation
  • Symptoms: Drooling, oral pain, difficulty swallowing, oral ulceration, vomiting, loss of appetite

Hyacinth

Hyacinth

  • Scientific name: Hyacinthus orientalis
  • Toxic compound: Calcium oxalate crystals and lycorine
  • Toxic parts: All parts, the bulb is the most toxic
  • Causes: Oral and gastrointestinal irritation
  • Symptoms: Vomiting, diarrhea (sometimes with blood), drooling and oral irritation

Chrysanthemum

Chrysanthemum

  • Scientific name: Chrysanthemum spp.
  • Other names: Daisy and Mum
  • Toxic compound: Sesquiterpene lactones and pyrethrins
  • Toxic parts: All parts of the plant are toxic to cats
  • Causes: Gastrointestinal disturbances and skin irritation
  • Symptoms: Vomiting, diarrhea, drooling and incoordination and rash

Delphinium

Delphinium

  • Scientific name: Delphinium spp.
  • Other names: Larkspur
  • Toxic compound: Diterpene alkaloids
  • Toxic parts: All parts of the plant are toxic to cats
  • Causes: Cardiotoxic and neuromuscular paralysis
  • Symptoms: Drooling, constipation, abdominal pain, paralysis, tremors, weakness, dilated pupils, abnormal heart rhythm and convulsions

Gardenia

Gardenia

  • Scientific name: Gardenia jasminoides
  • Other names: Cape Jasmine, Cape Jessamine, Danh-danh
  • Toxic compound: Genioposide and gardenoside
  • Toxic parts: All parts of the plant are toxic to cats
  • Causes: Gastrointestinal disturbances
  • Symptoms: Vomiting and diarrhea

Carnation

Carnation

  • Scientific name: Dianthus caryophyllus
  • Other names: Clove pink
  • Toxic compound: Unknown
  • Toxic parts: All parts of the plant are toxic to cats
  • Causes: Mild gastrointestinal disturbances and skin irritation
  • Symptoms: Mild vomiting, diarrhea, loss of appetite and skin irritation (swelling and redness)

Anthurium

Flamingo flower

 

  • Scientific name: Anthurium scherzeranum
  • Common names: Pigtail plant, painter’s pallet, laceleaf, oilcloth flower, flamingo lily, and tail flower
  • Toxic compound: Insoluble calcium oxalate crystals
  • Toxic parts: All parts of the plant are toxic to cats
  • Causes: Mild gastrointestinal disturbances and skin irritation
  • Symptoms: Drooling, pawing at the mouth, oral swelling and pain, vomiting, loss of appetite

Peace lily

Peace lily

  • Scientific name: Spathiphyllum spp.
  • Toxic compound: Insoluble calcium oxalate crystals
  • Toxic parts: All parts of the plant are toxic to cats
  • Causes: Mild gastrointestinal disturbances and skin irritation
  • Symptoms: Drooling, pawing at the mouth, oral swelling, and pain, vomiting, loss of appetite

Gladiola

Gladioli

  • Scientific name: Gladiolus spp.
  • Toxic compound: Unknown
  • Toxic parts: All parts, the bulbs are the most toxic
  • Causes: Gastrointestinal disturbances
  • Symptoms: Vomiting, drooling, diarrhea, loss of appetite, lethargy

Hydrangea

Hydrangeas

  • Scientific name: Hydrangea arborescens
  • Other names: Hortensia, Hills of Snow, Seven Bar
  • Toxic compound: Cyanogenic glycoside
  • Toxic parts: Flowers and leaves
  • Causes: Gastrointestinal disturbances and skin irritation, large amounts can cause cyanosis
  • Symptoms: Vomiting, nausea, drooling, loss of appetite, skin irritation, difficulty breathing

Cyclamen

Cyclamen

  • Scientific name: Cyclamen spp.
  • Other names: Sowbread
  • Toxic compound: Terpenoid saponins
  • Toxic parts: All parts, the tubers are the most toxic
  • Causes: Gastrointestinal disturbances and abnormal heart rhythm
  • Symptoms: Vomiting, drooling, diarrhea, loss of appetite, lethargy and abnormal heart rhythm

Bird of paradise

Bird of paradise

  • Scientific name: Strelitzia reginae
  • Other names: Crane Flower, Bird’s Tongue Flower
  • Toxic compound: Unknown
  • Toxic parts: All parts of the plant are toxic to cats
  • Causes: Gastrointestinal disturbances
  • Symptoms: Vomiting, nausea, drooling and loss of appetite

Poppy

Poppies

  • Scientific name: Papaver spp.
  • Toxic compound: Opium and morphine
  • Toxic parts: All parts of the plant are toxic to cats
  • Causes: Central nervous dysfunction
  • Symptoms: Sedation, wobbly gait (ataxia), loss of appetite, dilated pupils, decreased heart rate

Peony

Peony

  • Scientific name: Paeonis officinalis
  • Toxic compound: Paeonol
  • Toxic parts: All parts of the plant are toxic to cats
  • Causes: Gastrointestinal disturbances
  • Symptoms: Vomiting and diarrhea

Poinsettia

Poinsettia

  • Scientific name: Euphorbia pulcherrima
  • Toxic compound: Sap
  • Toxic parts: Sap
  • Causes: Irritation to the mouth and skin
  • Symptoms: Drooling, redness, swelling and occasionally vomiting

Iris

Iris

  • Scientific name: Iris spp.
  • Other names: Bearded iris, Douglas’s flag, snake lily, water flag, western blue flag, yellow flag, yellow water iris
  • Toxic compound: Pentacyclic terpenoids (zeorin, missourin and missouriensin)
  • Toxic parts: All parts of the plant are toxic, the highest concentration is in the rhizomes (bulbs)
  • Causes: Gastrointestinal disturbances and skin irritation
  • Symptoms: Vomiting, drooling, diarrhea

Clematis

Clematis

  • Scientific name: Clematis spp.
  • Other names: Virgin’s Bower, Leather flower
  • Toxic compound: Irritant glycoside (Protoanemonin)
  • Toxic parts: All parts of the plant are toxic to cats
  • Causes: Skin irritation
  • Symptoms: Vomiting and drooling

Ornamental onion

Ornamental onion

  • Scientific name: Allum spp.
  • Toxic compound: N-propyl disulfide and sodium n-propylthiosulfate
  • Toxic parts: All parts are toxic to cats, but the highest concentration is in the bulb
  • Causes: Heinz body anemia
  • Symptoms: Vomiting, weakness, jaundice (yellow gums), blood in the urine, abdominal pain, elevated heart rate, lethargy, collapse

Foxglove

Foxgloves

  • Scientific name: Digitalis purpurea
  • Toxic compound: Cardiac glycosides (digoxin and digitoxin)
  • Toxic parts: All parts are toxic to cats
  • Causes: Heart abnormalities
  • Symptoms: Cardiac arrhythmias, decreased heart rate, drooling, vomiting, tremors, weakness, dilated pupils, collapse