Poison Hemlock
Conium maculatum
Family: ApiaceaeNative: Europe and North AfricaIdentified: Apr 5, 2026
A tall, biennial herbaceous flowering plant with hollow, hairless stems usually spotted with purple. It has finely divided, fern-like leaves and small white flowers arranged in umbrella-like clusters.
Learn more about Poison Hemlock in the encyclopedia →Care instructions
This plant is a highly invasive and toxic weed. It is not recommended for cultivation and should be removed with extreme caution. Wear gloves and protective clothing, as all parts are poisonous if ingested or touched by skin.