While most weeds are harmless, there are several plants in Oklahoma known to cause problems. Here's what you need to know ...

Poison hemlock, a biennial in the Apiaceae family ... hand pulling with gloves is a viable option when working with larger infestations, mowing or weed whipping is suggested, although repeated cuts - ...

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 ...

In addition, all weeds negatively affect the longevity and productivity ... and others), or when a combination of factors occurs. In some species (poison hemlock), the toxic principle or compound ...

Corteva Agriscience announced that the U.S. Environmental Protection Agency has registered NovaGraz herbicide.

WARNING signs have been installed at a meadow after reports of a poisonous plant. Hemlock, a highly dangerous flowering plant, has been discovered at Sweatford Meadows in Fordingbridge.