Perennial ryegrass (Lolium perenne) is found in lawns all across the United States. In cooler climates, it's a popular cool-season turf grass for permanent lawns. In warmer climates, it's often ...

It's that time of the year again, as winter rye grass dies off in the Valley, and Bermuda summer grass starts to pop. With water conservation on the top of many people's minds in the state, FOX 10's ...

Teagasc have confirmed the first reported case of a field population of the grass weed Italian ryegrass, that has proven resistant to glyphosate.

Resistance was identified in a field population of Italian ryegrass weed in field conditions and tested under lab and glasshouse conditions.