Poison Hemlock (Conium maculatum): The Deadly Plant You Must Avoid

Poison hemlock may look like an ordinary wildflower, but it’s one of the most toxic plants in the world. Found in many parts of Europe, North America, and beyond, this dangerous weed can cause death within hours if even a small amount is ingested. What makes it worse is how easily it’s mistaken for safe plants like wild carrot, parsley, or parsnip. In this guide, you’ll learn how to identify poison hemlock, understand why it’s dangerous, and discover how to protect yourself and others from accidental exposure.