Another plant you really want to avoid touching is the wild parsnip. These look related to the aforementioned giant hogweed, ...

Giant hogweed sap has even caused blindness in people who got its sap in their eyes. This is one bad weed. This woody shrub is in the sumac family and like poison ivy, poison oak produces an oil ...

Read more: Here's The Right Way To Mow If You Don't Want Weeds To Take Over Giant hogweed is often misidentified. Cow parsnip, water hemlock, poison hemlock, and wild parsnip often get mistaken ...

It’s kind of unmistakable,” Powers said. Giant hogweed looks like a larger version of Queen-Anne’s Lace — or the equally toxic poison hemlock, she said. It is an invasive species ...