Poison hemlock is a non-native, invasive species that is spreading across Ohio at an alarming rate. It has a biennial life ...
Lori Swihart, master gardener coordinator for the Ohio State University Extension Service in Licking County, said poison hemlock is easily mistaken for wild carrot tops. Some people think it looks ...
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 ...