While driving around Koochiching county, I noticed a lot of dead flower stalks standing high above the grasses ... a Minnesota secondary noxious weed known as wild parsnip.

A common weed has sparked concern after it evolved resistance to one of the world’s most common herbicides. Researchers discovered wild carrot at several vineyards in New Zealand’s Marlborough region ...

Learn about the three main weed classifications—annual, biennial, and perennial—and how they impact garden management.

When applied correctly, the best weed killer should wipe out invasive plants completely. See our testing and reviews.

Australians are being warned of a highly invasive grass species that is "having a ... vegetation and reduces pasture productivity. The weed spreads through both seeds and underground roots ...

This practice can be especially successful at reducing the weed seedbank of winter annual and early emerging species, such as stinkweed, knotweed, Russian pigweed, Russian thistle, lambs quarters, ...