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  2. Potentially deadly poison hemlock is back. Now is the time to ...

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    He cautioned that anyone applying herbicide and working around poison hemlock should wear gloves, long sleeves and protective eyewear. Applying herbicides come with some health risks, so read ...

  3. Did you know that one of the deadlest plants in North America ...

    www.aol.com/did-know-one-deadlest-plants...

    From a plant-growth stage perspective, now is the perfect time to apply an herbicide to poison hemlock in Greater Columbus. In many landscapes where these plants are currently growing, surrounding ...

  4. OSU Extension: Now is a fine time to scout for poison hemlock

    www.aol.com/osu-extension-now-fine-time...

    If the poison hemlock is mixed in with grasses, it would be better to use a more selective herbicide that does not kill grasses such as 2,4-D, clopyralid (e.g., Transline), metsulfuron (e.g ...

  5. Conium maculatum - Wikipedia

    en.wikipedia.org/wiki/Conium_maculatum

    Conium maculatum, known as hemlock (British English) or poison hemlock (American English), is a highly poisonous flowering plant in the carrot family Apiaceae, native to Europe and North Africa. It is herbaceous without woody parts and has a biennial lifecycle. A hardy plant capable of living in a variety of environments, hemlock is widely ...

  6. Poison hemlock, wild parsnips are invasive to Ohio. How to ...

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    The weeds poison hemlock and wild parsnip are invasive to Ohio and toxic to humans. Here's what they look like and how to get rid of them. ... Herbicide can be used, depending on what time of the ...

  7. Conium - Wikipedia

    en.wikipedia.org/wiki/Conium

    Conium maculatum (poison hemlock) is infamous in its use as a poison. [35] [36] A small overdose of extract of the plant causes paralysis with higher toxic doses causing a ceasing of respiratory function followed by death. [31] Poison hemlock was historically used in official executions and assassinations. [37]

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