It's the season once again for one of the deadliest plant in North America, also known as poison hemlock. Here's what to know ...

early detection and management of small populations is key to wild parsnip control. Because of the plant’s ability to produce a large seed bank, complete eradication from a site will require several ...

Wild parsnip is an interesting plant that causes ... to find several articles and photos on both plants as well as control options. This is the best time to spray with herbicides.

Along with wild parsnip, purple loosestrife, garlic mustard, leafy spurge, Canada thistle, musk thistle, common tansy, ...

Among them are two particularly invasive and toxic plants: poison hemlock and wild parsnip. After spending the cold winter months in a semi-dormant rosette stage close to the ground, both plants ...

The City of Windsor has hired a contractor for the application of herbicide to control wild parsnip, an Ontario noxious weed.