Homestead dairy herds can encounter a wide variety of poisonous plants, but few have the potential to be as troublesome or frightening as white snakeroot (Ageratina altissima, formerly Eupatorium ...

Gardening columnist Charlie Giedeman identified this plant as white snakeroot, a poisonous weed that grows in the Midwest. News-Democrat Q: Enclosed is a weed that has been growing in my vegetable ...

Genus/species/variety: Eupatorium rugosum 'Chocolate' (a.k.a. Ageratina altissima 'Chocolate' - botanical nomenclature is always shifting and changing. The Eupatorium genus, and many species, are ...

White snakeroot flowers in September and October. The blossoms are bright white and individually small, but they are arranged in rounded clusters a few inches across. The plants are two to three feet ...

PHILADELPHIA (CBS) - What's that plant that's about thigh-high with bright white flowers you see along the side of the road this time of year? It's White Snakeroot - Ageratina altissima, a member of ...

Last Tuesday I was once again on duty at Hawk Mountain Sanctuary outside of Kempton. As I drove toward Hellertown in the early morning the sides of the road were yellow with evening primrose flowers ...

Snakeroot means quick and easy money to some people, but to Ivan Thrasher and his son, Pat, it’s a livelihood. The Thrashers have been in the snakeroot business for nearly 50 years. They buy the ...

An illustration of Indian Snakeroot, which has historically been used as a tranquilizer. Dang noted in the release that her team’s discovery was sparked by a 20-year-old “clue in the literature.” ...