Rhododendron is a well-known evergreen shrub native to eastern and southeastern North America. It bears rose to white colored ...

This plant produces coniine and y-coniceine alkaloids throughout, infamously attributing to the death of philosopher Socrates ...

Most Ohioans eagerly anticipate summer. Ohio in the summer offers a variety of experiences, from enjoying warm weather and outdoor activities to attending festivals, fairs, and visiting cultural ...

Poison hemlock is a biennial plant, forming a basal rosette of fern-like growth the first year, then bolting a 3- to 10-foot flowering stalk the second year. Ron Rathfon, regional extension forester ...

Thankfully, controlling poison hemlock is possible and within the reach of landowners. Several herbicides are recommended for controlling the weed. Herbicides work best on the basal rosette stage or ...

Recent record rainfall in Middle Tennessee has created perfect conditions for poison hemlock to thrive. Learn how to identify this toxic plant and what to do if you find it on your property.

Poison hemlock is a biennial that forms a rosette its first year, often going unnoticed, and then produces white umbel flowers (umbrella-like) on tall stems in the spring-summer of its second year.

Poison hemlock can quickly infest large areas of pasture as well as open waste places. Poison hemlock is a very tall biennial plant that can grow up to 12 feet in height. It grows into a rosette the ...

Poison hemlock, also known as Conium maculatum, is poisonous to humans when ingested through the eyes, nasal passages or cuts in the skin. It contains highly toxic compounds known to cause ...