One giant ragweed plant per 110 sq. ft. can reduce yields by up to 50%.² Kochia’s erect plants with stems that range from 1' to 4' high can quickly overtake soybean crops. Early-emerging kochia ...

Giant ragweed can spread rapidly, with each plant producing up to 10,300 seeds. Aside from the right way to mow if you do not want weeds to take over your yard, there are other strategies to ...

Giant ragweed can grow from 3 to 12 feet tall, and its leaves are usually divided into three to five lobes. Ragweed vs. goldenrod Goldenrod is another plant that’s part of the aster family, and ...

When giant ragweed takes hold in a crop field, the towering weed reduces yield and sends plumes of its famously allergy-inducing pollen into the air. There are few tools available to thwart the ...

When giant ragweed takes hold in a crop field, the towering weed reduces yield and sends plumes of its famously allergy-inducing pollen into the air. There are few tools available to thwart the ...

The promiscuous sexual life of the giant ragweed (Ambrosia trifide)and other species again last week brought tears to the eyes of several million U.S. hay fever sufferers. In the next few weeks a ...

While the typical ragweed plant favors hot and dry weather, the giant ragweed or "great ragweed" plants (often exceeding 10 feet tall) are not likely to be as big this year.

While walking past some goldenrod in my garden recently, a friend remarked that the plant made her sneeze. That’s a common misconception. Goldenrod won’t make you sneeze. It’s the… ...

Giant ragweed grows from 12 to 18 feet tall. Memorial erected for dog killed at Percy Warner Park. Ragweed can be found in urban landscaping, on the side of roadways, near farmland, ...

Giant ragweed has larger leaves and is around six to seven feet tall. However, while weed eating my landscape last week, I came across a giant ragweed plant that was almost 10 feet tall.