Plants Toxicity Guide for Dogs and Cats

Contains tropane alkaloids (scopolamine, atropine). All parts highly toxic. Hallucinogenic and deadly.

Contains colchicine causing multi-organ failure.

All parts highly toxic. Contains grayanotoxins.

Castor beans contain ricin, one of the most potent natural toxins. Few seeds can be fatal.

Contains ricin, one of the most potent natural toxins. A single bean can be lethal.

Contains lycorine concentrated in bulbs.

All parts contain mezerein and daphnetoxin. Berries, bark, and leaves all dangerous.

Contains atropine, scopolamine, and hyoscyamine. 2-3 berries can kill a small dog.

Contains diterpenoid alkaloids affecting neuromuscular function. Young plants and seeds most toxic.

Contains digitalis glycosides.

Contains cardiac glycosides (digitoxin, digoxin). All parts toxic. Even water from vase can be poisonous.

Contains protoanemonin and cardiac glycosides. All parts toxic.

Contains aesculin, a neurotoxic glycoside. Nuts, leaves, and bark all toxic.

Contains pentacyclic triterpenoids causing hepatotoxicity. Green unripe berries most toxic.

All true lilies are extremely toxic to cats. Even small amounts of pollen or vase water can cause fatal kidney failure.

Contains cardiac glycosides.

Contains phoratoxin and viscotoxin. Berries most toxic.

Contains aconitine, a potent neurotoxin and cardiotoxin. One of the most toxic plants known.

Contains cardiac glycosides. Extremely toxic.

Contains coniine causing ascending paralysis. All parts deadly, especially seeds and roots.

All parts toxic, especially roots and berries. Contains phytolaccatoxin. Purple berries attractive but deadly.

Contains pyrrolizidine alkaloids causing irreversible liver damage. Cumulative toxin - damage builds with repeated exposure.

All parts contain grayanotoxins disrupting sodium channels in skeletal and cardiac muscle. Even a few leaves can be fatal.

Sago palm is highly poisonous to dogs and cats. All parts are toxic, but the seeds or nuts are especially dangerous because cycasin can cause severe liver damage.

Contains aminopropionitrile (APN) causing lathyrism - skeletal deformities and nervous system damage. Seeds most toxic.

Extremely toxic. Contains taxines causing sudden cardiac death.

Contains taxine alkaloids. All parts except red aril (flesh around seed) are deadly. The seed inside the aril is toxic.

Aloe vera contains saponins and anthraquinones that are toxic to pets, causing digestive issues.

Contains lycorine. Bulb is most toxic.

Anthurium contains insoluble calcium oxalate crystals that cause intense oral irritation, swelling, and difficulty swallowing.

Contains calcium oxalate crystals causing intense burning and irritation of mouth, tongue, and lips.

Contains sapogenins causing allergic dermatitis with repeated exposure. Berries are toxic if ingested.

Contains hydrocyanic acid and tannins concentrated in seeds and pods.

Contains isoquinoline alkaloids. All parts toxic, especially foliage and roots.

Contains insoluble calcium oxalate crystals causing intense burning and swelling of oral tissues.

Contains calcium oxalate crystals. All parts toxic, highest concentration in rhizome.

THC is toxic to dogs and cats. Edibles are especially dangerous due to additional toxic ingredients.

Contains pyrethrins causing GI upset and dermatitis.

Contains saponins causing GI upset and dilated pupils.

Sap contains diterpene esters irritating skin and mucous membranes.

Contains terpenoid saponins in roots.

Contains calcium oxalate crystals causing mouth/throat swelling.

Contains calcium oxalates causing severe oral swelling.

English ivy contains saponins that cause gastrointestinal and neurological issues.

Contains triterpenoid saponins. Leaves more toxic than berries. GI and neurological signs.

Contains eucalyptol.

Fiddle leaf figs contain ficin causing oral irritation and GI upset.

Toxic especially the bulb.

Can cause mild GI upset.

Berries and leaves contain saponins and cyanogenic compounds. 20-30 berries can be fatal to small dogs.

Bulbs contain calcium oxalate crystals and alkaloids. Bulbs most toxic part.

Contains cyanogenic glycosides releasing cyanide.

Contains irisin in rhizomes.

Mildly toxic. Unknown toxin.

Contains bufadienolides affecting heart rhythm.

Contains lobeline and pyridine alkaloids similar to nicotine.

Monstera contains calcium oxalates causing oral irritation and swelling.

Seeds contain LSD-like alkaloids.

Bulbs contain lycorine and other alkaloids. Bulbs most toxic but flowers and leaves also dangerous.

Contains calcium oxalates.

Contains vinca alkaloids used in chemotherapy. Serious toxicity possible.

Contains insoluble calcium oxalates.

Popular houseplant with calcium oxalates.

Contains terpenoid glycosides. Berries and leaves toxic. Common hedge plant.

Rubber plants contain ficin that can cause oral irritation and digestive upset.

Contains calcium oxalate crystals.

Contains saponins causing mild-moderate GI upset.

Tomato leaves and stems contain solanine and tomatine. Green unripe tomatoes also toxic. Ripe red tomatoes are safe.

Tulips contain tulipalin, concentrated in the bulbs. Digging up and eating bulbs is the most common poisoning route.

Wisteria is poisonous to dogs and cats. ASPCA identifies lectin and wisterin glycoside as toxic principles and lists vomiting, diarrhea, and depression as clinical signs.

ZZ plant contains calcium oxalates. All parts are toxic.

Contains saponins causing mild gastrointestinal upset. Not severely toxic.

Contains diterpenes that cause vomiting and diarrhea. Skin contact may irritate.

Contains geraniol and linalool causing gastrointestinal upset. Generally mild.

Lavender contains linalool which can cause mild digestive upset in small amounts.

Poinsettias are mildly toxic. The sap can cause irritation but serious poisoning is rare.

Areca palms are non-toxic and safe for pets. Popular indoor palm.

Bamboo palms are non-toxic and safe for pets. Air-purifying plant.

Boston ferns are non-toxic to pets. Safe to have indoors.

Peperomia is non-toxic and safe for pets. Many varieties.

Spider plants are non-toxic to pets. Safe houseplants.