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 ...

Beneath my redbud, awash in spring with pink flowers, arises a new set of blooms. White ones, in late summer. These are the flowers of white snakeroot, a plant that reaches 3 to 4 feet tall, up to the ...

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 ...

Blooming now in moist, deciduous woods and bottomlands in North Georgia is an attractive wildflower known as the white snakeroot. “The bright flowers and rich green leaves make this a handsome, ...

The Aug. 23, 1925, Quincy Daily Herald announced the launch of a statewide campaign by Illinois Gove. Len Small for the control and extermination of the pasture weed, White Snakeroot. A bulletin, ...

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 ...

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 ...