The colorful transition between spring and summer includes the return of green foliage, baby geese wandering in fields, ...

These two plants might look similar, but one will cause only mild irritation while the other can kill both animals and humans ...

Some plants look like toxic hemlock are medicinal, but state law says you have to pull up and dispose toxic plants. How to tell them apart.

The plant looks similar to another related species called cow parsnip, which has the potential to cause irritation, but not ...

Another plant with phototoxic properties is the cow parsnip. This invasive plant is native to Europe and Asia and looks like a mini version of giant hogweed. The main difference between the two is ...

Giant hogweed (Heracleum mantegazzianum), Spotted water hemlock (Cicada maculate), Cow parsnip (Heracleum maximum) and Wild parsnip (Pastinarca sativa). All parts of the Poison hemlock plant ...

Wildflowers, including huge white cow parsnip blooms and golden columbines, brighten a road leading from the mountain village of Summerhaven to the gulch. Those and other colorful flowers also ...

It also grows across the U.S. In Washington state, the gangly invasive weed is often mistaken for Queen Anne’s Lace, yarrow, parsnip or cow parsley. The plant’s discovery can trigger a public ...

A warning attached to a tree in Storeton Woods states: "Warning giant hogweed. Do not touch." Key features of the plant were ...