Neither poison hemlock nor wild parsnips are native to Ohio, but both of the invasive species are here to stay and can be dangerous if you encounter or ingest them. The plants thrive in continuously ...

URBANA — I love parsnips. Often parsnips — large, white, carrot-like root vegetables — are substituted for celery in my soups and stews. The cultivated parsnip that we eat heralds from the ...

I love parsnips. Often parsnips, large white carrot-like root vegetables, are substituted for celery in my soups and stews. The cultivated parsnip that we eat heralds from the appropriately named wild ...

Cow parsnip, wild parsnip and giant hogweed can cause injury to humans ranging from mild rashes to severe blistering, if touched by the juices in their stem. I set out with invasive species technician ...

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 ...

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 ...