Weeds are already a frustrating nightmare for some green thumbs. Now there are two weeds to beware of while you’re gardening this summer. At this time of the year, poison hemlock and wild parsnips ...

Many harmful weeds, such as poison ivy and poison oak, contain urushiol, causing rashes and blisters. Weeds like giant hogweed and wild parsnip produce sap that can lead to severe skin burns upon ...

As spring arrives, bringing longer and warmer days, nature awakens from its winter slumber and with it, a few unwelcome visitors. Among them are two particularly invasive and toxic plants: poison ...

Poison hemlock, a deadly plant that can cause respiratory failure and death, is spreading throughout the U.S. Contact herbicides are the safest way to control poison hemlock, as all parts of the plant ...

It’s that time of year, when midsummer is in full bloom, and the weather is congenial to being in the great out-of-doors. People are cavorting in the woods and weeds, aka vegetation. Predictably, the ...

BUFFALO, Minn. (AP) - Wright County is fighting an infestation of wild parsnip, a weed whose sap can cause blisters and scars. The DNR says wild parsnip has been a problem in southeastern Minnesota ...

The parsnip webworm (Depressaria pastinacella) is an oligophagous herbivore with limited powers of dispersal in its larval stages. Because there is substantial variation between individual wild ...

A new map of wild parsnip locations along the Root River State Trail between Rushford and Houston is now available on EDDMapS.org. This site is used by the Minnesota Department of Natural Resources ...

The tall yellow flowers dotting Iowa’s roadsides seem as if they could be a part of this state’s admirable efforts at restoring a little slice of the prairie. Unfortunately, wild parsnip isn’t grown ...