Common Poisonous Plants Affecting Dogs and Cats
Some species of day lilies (Hemerocallis) are also toxic for cats. Lily plants are poisonous because they cause kidney damage. Ricin can be found in all parts of the plant but is particularly concentrated in the castor bean. A single bean can be deadly for a dog. The entire plant is poisonous but the seeds are especially toxic. These plants contain toxins known as cardenolides such as digitalis. Symptoms seen with lily of the valley poisoning are similar to those in foxglove poisoning....