The Spread of Poison Hemlock
Kane County Connects Staff 6/28/2022 9:00AM
Poison hemlock grows along streams and ditches throughout Illinois. It may reach four to 10 feet in height. The hollow, branched, purple-spotted stems support fern-like leaves. The plant’s single white taproot resembles a carrot or parsnip. Small white flowers develop in clusters four to six inches wide.
Poisonous parts of the plant: All parts of this plant are poisonous.
Toxin: coniine Symptoms: nausea, vomiting, confusion and rapid heart rate progress to drowsiness, muscle paralysis, decreased breathing and possibly death.
For a complete list, including pictures, of Illinois Poisonous Plants click here.
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