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Horticultural Horrors for Hounds

Horticultural Horrors for Hounds

There are many plants commonly found in home gardens which could prove lethal to dogs and especially puppies (who chew everything) - not to mention yourself and your children. Below is a list of some of those plants with the effects they can have if eaten - even in small quantities.

Plant Name Poisonous Part Effects
Entire plant Paralysis of the muscles, including the heart. Depression of central nervous system. Sometimes fatal.
BIRD OF PARADISE Seed pods Nausea, vomiting and diarrhoea
Entire plant Stomach irritation/diarrhoea/convulsions
CALLA LILY Entire plant Intense burning sensation/ irritation of the mouth and stomach
CASTOR BEAN Entire plant but especially the seeds Burning sensation in the mouth. Eating two or more seeds may cause serious illness/death
DAFFODIL Bulb Severe vomiting and diarrhoea, trembling, convulsions and sometimes death
DAPHNE Entire plant Burning and ulceration of stomach and intestines, bloody vomiting and diarrhoea
ENGLISH IVY Leaves/berries General excitement, difficulty breathing/coma
HOLLY Berries Vomiting, diarrhoea, weakness/collapse
IRIS Leaves, roots & fleshy portions
Severe but temporary digestive upset
JERUSALEM CHERRY Berries Vomiting, diarrhoea and collapse
LANTANA Berries Gastro-intestinal irritation/muscular weakness/ circulatory difficulties, sometimes fatal
OLEANDER Entire Plant Nausea, depression, bloody diarrhoea, weakened and irregular pulse and Paralysis
POINSETTIA Leaves/stem Diarrhoea, abdominal cramps, delirium. Sap cancause skin irritation. If rubbed in eyes, blindness
POISON OAK Leaves Skin irritation
PRIVET Entire plant Bloody vomiting, diarrhoea, severe irritation of the digestive tract, general nervous symptoms
RHUBARB Leaves Vomiting, severe abdominal pain, muscle cramps and in large quantities, convulsions/coma/death
WISTERIA Entire plant Severe vomiting, abdominal pain, diarrhoea
YELLOW JASMINE Entire plant Thirst/ dilated pupils/reddened skin/headache


It is not safe to assume that just because you can eat one part of a plant, the rest isn't poisonous. For instance, although we eat peaches, both the stone and leaf contain cyanide. Apricots also contain cyanide and children have actually died from eating too many apricot kernels. Although rhubarb stalks are good to eat, the leafy portion has been known to cause fatalities in humans.


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