Outdoor plants harmful to cats


We all love our Gardens and spend the colder months eagerly planning our outdoor space. Like most of us you go to great lengths to keep your cat(s) safe and happy. Some even go so far as to build a fence to keep your cat in a controlled outdoor space. A great start but not enough. Before you let your cat in your outdoor space it is a good idea to do a review of the plants you have in your garden. If you are doing new planting now is a good time to review what you had planned. It is surprising and sometimes quite shocking at how many common plants are considered to be toxic. Symptoms can range from slight upset to certain death.  The following is a helpful list of plants that are commonly found in gardens. By planning and planting wisely you can give your cat(s) a safe, controlled area to lounge away the hot hazy days of summer.

  • Azalea                     Eating just a few leaves can cause symptoms severe enough to lead to
  •                                  death.
  • Autumn Crocus       Multi-organ damage leading to death
  • Begonia                  Burning in mouth, strong pain and trouble swallowing
  • Clematis                 Vomiting and diarrhea
  • Chrysanthemum    Vomiting and diarrhea
  • Cyclamen               Large amounts swallowed may cause death. Smaller amounts vomiting
  •                                and diarrhea.
  • Daffodil                   Kidney failure
  • Day Lilly                 Kidney Failure or death
  • Delphinium            Convulsions, muscle paralysis, death.
  • English Ivy             Vomiting and diarrhea
  • Foxglove                Cardiac arrest leading to death
  • Geranium               Diarrhea, vomiting and a general feeling of malaise.
  • Hibiscus                  Diarrhea and vomiting
  • Holly                        Diarrhea, vomiting and a general feeling of malaise.
  • Hosta                       Diarrhea, vomiting and a general feeling of malaise.
  • Iris                            Diarrhea, vomiting, excessive drooling and tiredness.
  • Lilly                          Most types of Lilly are highly toxic to cats. Kidney failure and death.
  • Peony                      Vomiting, diarrhea and a general feeling of malaise.
  • Rhododendron         Vomiting, diarrhea, coma, death
  • Tiger Lily                  Kidney Failure or death
  • Tulip                         Vomiting, diarrhea and a general feeling of malaise

The above is just a guide and should not be considered complete. Listed symptoms may not necessarily be all the symptoms but a quick reference only. Please consult your Veterinarian for a more detailed list of toxic outdoor plants in your zone and symptoms.

Referenced from The ASPCA and Pet Poison Helpline