Video: 10 deadliest plants in the world

Plants are often seen as harmless, but there are some that can be lethal to humans and animals alike. Here are the top 10 deadliest plants in the world.

1. Angel's Trumpet

Angel's Trumpet

This plant has beautiful, trumpet-shaped flowers but contains high levels of tropane alkaloids that can cause hallucinations, paralysis, and even death.

2. Deadly Nightshade

Deadly Nightshade

Also known as belladonna, this plant contains atropine and scopolamine, which can cause hallucinations, seizures, and respiratory failure.

3. Manchineel


This tree, native to the Caribbean, has fruit that looks like small green apples. However, they are highly toxic and can cause severe pain, vomiting, and even death.

4. Oleander


This shrub produces beautiful pink or white flowers but every part of the plant contains toxic cardiac glycosides that can cause irregular heartbeats and death.

5. Poison Hemlock

Poison Hemlock

This plant was famously used to kill Socrates in ancient Greece. Its toxins can cause paralysis, convulsions, and respiratory failure.

6. Rosary Pea

Rosary Pea

The seeds of this plant are used in jewelry but contain a toxin called abrin that can cause organ failure and death.

7. Strychnine Tree

Strychnine Tree

The seeds of this tree contain strychnine, which causes muscular convulsions and respiratory failure.

8. Water Hemlock

Water Hemlock

This plant is often mistaken for edible plants like carrots or parsnips, but its toxins can cause seizures, respiratory failure, and death.

9. White Snakeroot

White Snakeroot

This plant can be deadly to livestock and humans who eat meat or drink milk from animals that have ingested it. It contains a toxin called tremetol that causes tremors, vomiting, and death.

10. Yew


This evergreen tree produces beautiful red berries but every part of the plant contains toxic taxine alkaloids that can cause cardiac arrest and death.