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Poison hemlock #870056

Asked May 25, 2024, 12:34 PM EDT

My neighbor has what I believe is poison hemlock growing in their garden next to the sidewalk. I am concerned about the public and animals coming into contact. Should I be worried?

Franklin County Ohio

Expert Response

Hi Laura.
Yes it does look like Poison Hemlock and yes, you should be concerned.
First get suit up so that you are covered all the way (gloves, long pants, long sleeves) and dig it out. Put it in a plastic bag and throw away. Do not compost. You might have to do this a couple of time since it has a long tap root.
Then wash. Any sap that gets on you or your clothes (which can get on you later) should be washed off. Please be careful.

Here are two links for further reading.
Poison hemlock identification and control - Agriculture (msu.edu)

Poison Hemlock Management Guidelines--UC IPM (ucanr.edu)
Yen.H OSU Extension Master Gardener Volunteer Replied May 25, 2024, 1:59 PM EDT
Thanks for the quick response. I spoke with the neighbors and they are fully aware of getting rid of it. 

On Sat, May 25, 2024, 1:59 PM Ask Extension <<personal data hidden>> wrote:
The Question Asker Replied May 25, 2024, 3:26 PM EDT
I'm very glad to hear so. Thank you.
Yen.H OSU Extension Master Gardener Volunteer Replied May 29, 2024, 6:20 PM EDT

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