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What plants are poisonous or toxic to dogs and cats?

When planning your garden or purchasing indoor plants, take care to avoid plants that can be poisonous or toxic to your pets. The list compiled below is by no means complete, but focusses on the more common plants found in Australian homes and gardens, that are toxic to dogs and cats. Sadly, some of the most beautiful and useful plants are deadly to our pets so it pays to be aware of the risks and keep your pets well away from them.

  • Anemone or windflower (A. coronaria)
  • Bulbs (onions, plus all the spring-flowering favourites, such as daffodils, tulips, jonquils, and snowdrops)
  • Caladium bicolor (indoor foliage plant)
  • Castor oil plant (Ricinus communis)
  • Chalice vine (Solandra maxima)
  • Chalice vine (Solandra maxima)
  • Cherry tree (Prunus serrulata)
  • Clematis (the large-flowered hybrids)
  • Cotoneaster (Cotoneaster glaucophylla
  • Cycads (seeds on female plants)
  • Daffodils (Narcissus varieties)
  • Daphne (various)
  • Delphinums
  • Devil’s ivy (Epipremnum aureum)
  • Dicentra (Dicentra spectabilis)
  • Dieffenbachia
  • Euphorbias (poinsettias, Euphorbia characias ssp. wulfenii, etc)
  • Foxglove (Digitalis purpurea)
  • Golden Robinia (R. pseudoacacia ‘Frisia’)
  • Hellebore (Helleborus orientalis)
  • Hemlock (Conium maculatum)
  • Holly (llex varieties)
  • Hydrangeas
  • Indoor Plants: many are poisonous to pets, so it’s wise to keep all indoor plants out of reach of pets of all ages
  • Iris
  • Jerusalem cherry (Solanum pseudocapsicum)
  • Jasmine
  • Lantana (L. camara, the common one)
  • Lilac (Syringa varieties)
  • Liliums: All parts of the plant are particularly toxic to kittens and cats, causing kidney failure and death; reactions are not quite so severe in dogs
  • Mountain laurel (Kalmia varieties)
  • Jasmine
  • Lantana (L. camara, the common one)
  • Lilac (Syringa varieties)
  • Liliums: All parts of the plant are particularly toxic to kittens and cats, causing kidney failure and death; reactions are not quite so severe in dogs.
  • Mountain laurel (Kalmia varieties)
  • Mushrooms (not clear which ones)
  • Nightshade (Solanum nigrum)
  • Oaks (Quercus varieties-the acorns are toxic to pets)
  • Oleanders (Nerium oleander, Thevetia peruviana)
  • Philodendron (including the popular Monstera!)
  • Pine ((eg, savin, Juniperus sabina, also several others)
  • Poinciana (not the tropical tree, but the shrub Caesalpinia pulcherrima)
  • Potato plants and green potatoes
  • Privet (Ligustrum varieties)
  • Pyracantha
  • Rhododendron (including azaleas)
  • Rhubarb (primarily the leaves)
  • Snowdrops & Snowflakes (Leucojum)
  • Sweet peas
  • Sciandra maxima (chalice vine)
  • Stephanotis (Madagascar jasmine) (consumption of the seed pods is especially deadly to dogs)
  • Strelitzias (Strelitzia reginae, S. nicolai)
  • Toadstools
  • Wandering Jew (Tradescantia albiflora)

Dr Bruce Syme BVSc (Hons), Founder of Vets All Natural.

Dr Bruce Syme is a practicing vet and expert in natural pet nutrition, has spoken at the Australian Veterinary Association Annual Conference, and provides regular comment on TV and Radio.

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Disclaimer: The entire contents of this article are based upon the opinions of Dr. Bruce Syme, unless otherwise noted. The information is not intended as medical advice, it simply shares the knowledge and information from the research and experience of Dr. Bruce and his community. Pet health care decisions should be based upon your research and in partnership with a qualified pet health care professional.
© Copyright 2015 Dr Bruce Syme and Vets All Natural. All Rights Reserved.

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