Some pets are eating Christmas cactus. But no report has shown that they have died because of it. This answers the question on whether or not the Christmas cactus is poisonous.. Though the Christmas cactus is not harmful, it can still cause vomiting when eaten by dogs and cats.
Christmas Cactus. Fortunately, the Christmas Cactus (or its relative, the Easter Cactus) plant is not toxic to dogs in either its parts or flowers. The same lack of toxicity applies for cats. However, fibrous plant material can cause irritation to the stomach and intestine, leading to vomiting or diarrhea.
Popular holiday plants may be poisonous or toxic, especially to children and pets
For some plants, all parts of the plant are poisonous.. Check out our illustrated list of selected poisonous and non-poisonous plants.. Christmas cactus