Common ragweed is an annual plant whose allergenic pollen affects human health. It's an invasive species particularly well-adapted to living at roadsides. New research found high population growth ...

Scientists call it Ambrosia artemisiifolia, but you can call it the bane of your existence. Otherwise known as the common ragweed, this plant releases potent pollen in August and September, spreading ...

Ragweed is a nuisance you don’t need. At least two ragweed species are native to Colorado, giant ragweed (Ambrosia trifida) and common ragweed (Ambrosia artemisiifolia). These plants are likely to be ...

Why is common ragweed a problem? Common ragweed is an extreme weed — thriving in extreme environments and making a home for itself in every state, except Alaska. Common ragweed has shown resistance to ...

Alien species pose one of the world’s major environmental problems. But we don't always know why or how these species are able to spread so quickly. “Invasive species are a key factor in the crisis ...

The official start of autumn has put consistent cooler weather within sight. The collective sigh of relief is moderated by the certainty that fall allergy season is literally lurking in the weeds.

Your eyes itch and you’ve got a runny nose. Right, it’s allergy season. And then you spot the familiar Goldenrod, a bright yellow autumn perennial alongside roads, highways, in your backyard, well, ...

We are trying to attract as much wildlife as possible to our land by encouraging, and sometimes directly planting, native wildflowers, shrubs and trees that are considered beneficial to wildlife.

Common ragweed is an annual plant native to parts of the United States and southern Canada. It's an invasive species that has spread to Europe. An important agricultural weed, this plant is ...

We are trying to attract as much wildlife as possible to our land by encouraging, and sometimes directly planting, native wildflowers, shrubs and trees that are considered beneficial to wildlife.