Common Ornamental Indoor Plants toxic to dogs and cats

Dr. Leonard Perry, UVM Extension Horticulturist

Toxicity varies.  Many cause mild symptoms such as dermatitis, vomiting, or diarrhea.  Others marked as severe (S) may cause worse symptoms such as kidney failure or death.   Sometimes plant parts differ, as digestion of bulbs on plants having these may be more toxic than leaves.  Unless noted otherwise, plants may be toxic to both dogs and cats.  Plants that are toxic to pets may not be toxic to humans, and vice versa.  For a more complete listing, including outdoor plants, visit online sites such as www.aspca.org.  More can be found linked on my website:  www.uvm.edu/~pass/perry/linksgen.htm#Poisonous.   If any question or concern on plant consumption by a pet, contact your veterinarian.

Other gardening products that may be quite toxic include compost and mulches containing cocoa waste.  Avoid the latter if you have pets, particularly dogs, and keep pets away from the former.  Composts will vary, those with kitchen wastes potentially more harmful than those with just leaves and grass clippings.  Although cats are susceptible to lower doses of chocolate than dogs, they usually consume much less if any, not being able to taste sweetness.

These are only a few of the more commonly encountered, and is not a complete list.

Common toxic houseplants

Asparagus fern
Azalea (Rhododendron) (S)
Begonia
Caladium
Calla, Arum lily (Zantedeschia)
Chinese Evergreen (Aglaonema)
Chrysanthemum
Coleus (Solenostemon)
Corn plant (Dracaena)
Cyclamen (S from large ingestion of tubers)
Dracaena
Dumbcane (Dieffenbachia)
English ivy (Hedera)
Flamingo flower (Anthurium)
Geranium (Pelargonium)
Iris (mostly rhizome roots)
Kalanchoe
Lilies (including Easter lily, daylily) (S, cats only)
Norfolk Island Pine (Araucaria)
Peace Lily (Spathiphyllum)
Philodendron
Pinks (Dianthus, mild symptoms)
Pothos (Scindapsus)
Schefflera (Brassaia)
Shamrock plant (Oxalis, usually from large quantities)
Swiss Cheese plant (Monstera)
Ti Plant, Grass plant (Cordyline)
Tomato plants
Tulip (most toxic is bulb)
Weeping, other figs (Ficus)

Common toxic cut flowers
Baby’s Breath (Gypsophila)
Calla, Arum lily (Zantedeschia)
Carnation (mild symptoms)
Chrysanthemum
Daffodil (Narcissus)
Dahlia (mild symptoms)
Daylily (S, cats only)
Dianthus (mild symptoms)
Gladiolus (mostly bulbs)
Hyacinth
Iris
Lilies (many, including daylily) (S, cats only)
Peony
Tulip

 

 

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