List of Poisonous Plants to Avoid

Though vegetation helps in sustaining life on Earth, there are flowers, trees, and shrubs, out there that can harm and kill. Some of these plants are dangerous when you touch them, while others are toxic if inhaled or swallowed. Negative reactions range from irritation to (in extreme cases) death. Why are some plants poisonous? That’s because it’s their defense against being gobbled up by humans, animals or insects. Before you put a leaf or shrub or any other plant in your mouth, you should first get acquainted with our Poisonous Plants list.

Castor Bean (Ricinus communis)

Castor Bean (Ricinus communis)

Castor beans are merciless. They contain the deadliest plant poison on Earth: ricin. Only a handful of beans are needed to kill an a grownup within a few minutes. Merely harvesting the plant can give a person nerve damage! Now that’s some powerful stuff. Do not serve baked.

Suicide Tree (Cerbera odollam)

Suicide Tree (Cerbera odollam)

The seeds contain cerberin, an intense poison identified with digoxin. The toxin leads to the disturbance of the heart beat. This is ordinarily deadly and can come by eating only one seed. Cerberin is hard to recognize in post-mortem examinations and its taste can be veiled with solid flavors – curry for instance. It is frequently utilized as a part of manslaughter and suicide in India.

Yellow Jessamine (Gelsemium sempervirens)

All parts of the Yellow Jessamine are poisonous. When ingested, they lead to nausea, vomiting, and even death. If honey is made out of the nectar of this flower, it’s possible to become ill.


Manchineel Tree (Hippomane mancinella)

This f*kcer resembles an apple tree. It’s fruit also looks like little green apples! However, they cause blistering in the mouth and throat when eaten, and can be fatal. That’s why they’re called “apples of death.” The Manchineel tree leaks a milky white sap that can blister the skin, while smoke from a burning tree causes blindness. Dang. This really is one bad apple tree.


Doll’s Eyes (Actaea pachypoda)

Named after its startling appearance, the whole plant is harmful yet the berries pack a specifically deadly punch. In the event that you pop an eye into your mouth, the toxic substance unwinds heart muscle tissue, prompting heart failure and ultimately, death in a matter of moments.


White Snakeroot (Ageratina altissima)

From its name, you’ll already know that this plant is dangerous. Every part is poisonous. They cause nausea and vomiting which is often fatal. Drinking milk of a cow that ingested white snakeroot can kill a person.


Larkspur (Delphinium)

These blue-purple plants are prominent in patios and gardens, however they are filled with alkaloids. A little munching on the leaves and blossoms brings extraordinary burning of the mouth and throat, a sentiment woozy disarray, serious cerebral pains, vomiting, and, at the very worst, suffocation would result.

Nightshade (Solanaceae)

Otherwise called belladonna or the fallen angel’s cherry, the leaves and berries of this plant contain atropine — a lethal substance. A small portion of the berries result to obscured vision, slurred speech, terrible migraines, breathing issues, and convulsions. That is not berry pleasant.

Water Hemlock (Cicuta)

This relative of the parsnip is amazingly noxious. The poisons, gathered in the roots, additionally found in the leaves and stems, act so rapidly that there may be no time for treatment. Touching hemlock can bring about a reaction, however if you ingest it, expect great mal seizures, loss of awareness, fierce muscle constrictions, and possibly death.


Jack-in-the-pulpit (Arum maculatum)

Also known by other names such as cuckoo-pint, lords and ladies, wake robin, wild arum, devils and angels, cows and bulls, Adam and Eve, bobbins and starch-root. Not fatal but all parts of the plant can cause allergic reactions and is one of the most common causes of plant poisoning. The bright berries cause skin, mouth and throat irritation, resulting in swelling, burning pain, breathing difficulties and stomach upset.


Rosary Pea (Abrus precatorius)

Also known as jequirity, Crab’s eye, rosary pea, precatory pea or bean, John Crow Bead, Indian licorice, Akar Saga, gidee gidee or Jumbie bead…. The pea-molded pods along this vine split open when dry to uncover brilliant red pealike seeds. Popping a couple of peas prompts drooling, vomiting, a high temperature, shaking and seizures, and may in the end cause death.

Daffodils (Narcissus)

Daffodils a delightful indication of spring. But, these beauties are dangerous executioners as well. The onionlike globules are the harmful ones, not the flowers. The globules contain powerful toxic substances that can numb the sensory system and paralyze the heart muscle which leads to fatal outcomes.


Common Ivy (Hedera helix)

The Common Ivy’s leaves and berries are poisonous which could cause some pains in the stomach and difficulty in breathing. Severe cases could lead to coma.


Poison Ivy (Toxicodendron genus)

Urushiol is found all over the parts of Poison Ivy. Contact could lead to skin reactions such as blisters and rashes and infections can follow scratching. Urushiol is actually not a poison but an allergen thus, it cannot affect certain people. The smoke of burning poison ivy can cause reactions in the lungs, and can be deadly.


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