Poison Hemlock

Conium Maculatum

Deadly

Deadly — do not ingest or handle

Poison Hemlock is acutely toxic. A small amount can be fatal or cause irreversible harm to a healthy adult. This entry is published for identification and awareness only.

My Floral Vault does not provide preparation methods or dosages for this plant, and none should be attempted. There is no safe home preparation.

If you suspect exposure or ingestion, seek emergency medical care immediately. In the US, Poison Control is 1-800-222-1222.

About Poison Hemlock

Conium maculatum, or poison hemlock, is a highly toxic plant belonging to the Apiaceae family, notorious for its lethal properties. Historically, it has been used in ancient Greece for executions, most famously in the death of Socrates, who was administered a lethal dose. The plant contains several alkaloids, primarily coniine, which disrupts the nervous system by blocking neuromuscular transmission, leading to paralysis and respiratory failure. Despite its historical use, there are no legitimate medicinal applications for this plant, and it is classified as extremely dangerous. Modern research has focused on understanding its toxicology rather than any therapeutic potential, reinforcing the consensus that it should be avoided.

Interactions & Warnings

Use with caution

Conium maculatum, commonly known as poison hemlock, contains potent alkaloids such as coniine, which can cause respiratory failure and death. Exposure requires immediate emergency medical care, as even small amounts can be lethal. It is crucial to avoid any use or handling of this plant without expert supervision.