Poison hemlock and wild parsnips are bad because they’re not native to Ohio, making them an invasive species crowding out native vegetation. Poison hemlock is often found in yards, roadsides ...

Poison hemlock was originally brought to America from Europe as a garden plant. “It’s been in Ohio as early as the mid-1850s ...

How to rid your yard of poison hemlock? If you plan to remove the plant yourself, be sure to wear protective gear – such as goggles, face mask, gloves and a long sleeve shirt – before handling ...