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wildflower

Poison hemlock

Conium maculatum

DeadlyDo not eatcommon

Purple-splotched hollow stems, lacy leaves, white umbels. Deadly. Do not touch your mouth after handling.

A biennial that can top 8 ft. Stems are smooth, hollow, and blotched with purple. Leaves are finely divided, ferny, with a musty mouse-urine smell when crushed. Flowers are tiny white umbels like Queen Anne’s lace, but the plant has no hairy stem and no single dark floret.

Habitat
Ditch banks, old pastures, roadsides, creek edges throughout Dearborn County.
Season
Rosettes overwinter; blooms May–July.
Size
4–10 ft
Field marks
Purple stem blotches; hairless; musty smell; white umbels

All parts are poisonous. Alkaloids paralyze the breathing muscles. Never use as a wild carrot. Call 911 and Poison Control 1-800-222-1222 if ingested.

First aid

If eaten: do not wait for symptoms. Call 911. Save a sample of the plant. Do not induce vomiting unless a clinician tells you to.

Lookalikes