Listen To The Story

Farmers and agriculture experts in corn belt states are wringing their hands over the appearance of a superweed called Palmer amaranth. The tall, tough weed is native to the southwest and has been a problem in the southern part of the country for a couple decades.

But now it's showing up in Midwestern states like Iowa and Minnesota, and threatening to reduce corn and soybean yields.

Farmers trying to do a good thing, by planting acreage with native grasses and flowering plants, may unwittingly help to spread the weed.

Click the audio player above to hear the full story. 

As a nonprofit news organization, Marketplace is on a mission that drives what we do every day: to increase economic intelligence across the country. But we can’t do it alone. Become a Marketplace Investor today, in whatever amount you choose, and your donation will go twice as far, thanks to a dollar-for-dollar match from The Kendeda Fund.

Become a Marketplace Investor today – in whatever amount is right for you – and keep public service journalism strong. We’re grateful for your support.

Follow Annie Baxter at @anniebaxter123