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Toxic Plant List
It is difficult to create a list of poisonous plants. While some plants are outright toxic to anyone who eats or comes in contact with the plant (Jimson Weed, nightshade), others may cause a reaction in some but not in others.
The following is a listing of plants normally thought to be poisonous. The list is not complete. People should not eat plants not grown as food crops. Children should be taught never to eat non-food crop plants. And you should restrict your pets' access to questionable plants.
Poisonous plants vary between animals. Don't assume that since a bird, squirrel or pig ate a plant with no problems, others (human or rabbit) can do the same.
Unless otherwise stated, consider all parts of the plant poisonous.
Never hesitate to seek medical aid if you think a person or animal has ingested a poisonous substance.
Bird of Paradise (seeds)
Black Locust (seeds)
Castor Bean (seed)
Crown of Thorns
Elderberry (unripe berries)
Ivy, Boston & English (berries)
Morning Glory (seeds)
Rhubarb (leaf blade)
Rosary Pea (seed)
Sweet Pea (seeds)
Virginia Creeper (berries)
Compiled by the University of Illinois' College of Agricultural, Consumer and Environmental Sciences. Reprinted with permission. Copyright 1995 by the Board of Trustees of the University of Illinois.