
This Deadly Indiana Plant is Found in Nearly Every County in the State
It’s summertime, you should be spending as much time outdoors as you can. Take advantage of the warm Indiana weather to do some hiking, gardening, or just exploring nature. But just remember that just because Mother Nature is beautiful doesn’t mean she is friendly. One thing in particular you need to be aware of is this invasive and poisonous plant, which is fairly common in Indiana. I’m talking about HEMLOCK.
What Is Poison Hemlock and Why Is It So Dangerous?
Don’t be fooled by its dainty appearance – this stuff is nasty! Poison hemlock (Conium maculatum) is especially dangerous because all parts of the plant, including roots, stems, leaves, and seeds, contain harmful toxic compounds if ingested. Simply touching it can cause skin irritation or, in some cases, respiratory issues if you inhale hemlock particles.
ALSO READ: Indiana DNR Calls This Common Tree an “Invasive Nightmare”
Where You’ll Find Poison Hemlock in Indiana
Hemlock has been reported in nearly every county in Indiana. It can be found growing along roadsides, fences, ditches, and the edges of fields, and it can easily be mistaken for harmless wildflowers or even carrots or parsley at first glance.
How to Stay Safe Around Hemlock
- Do not touch or remove the plant without proper protection.
- Wear gloves, long sleeves, and a mask if you must handle it.
- Never burn it, either – even the smoke can be toxic.
- Keep children and pets away from areas where it grows.
- Report large infestations to local authorities or Purdue Extension offices.

Indiana’s natural beauty is something we all love, but staying safe means knowing what’s out there. When in doubt, snap a photo and consult a local plant expert – your health could depend on it.
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