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 ...

A mix of perennial ryegrass and fine fescue is good for western Oregon. This will make a lawn that is rugged, will tolerate some shade, requires medium to high fertility initially to look good and ...

Angelika Zaber is a lawn care and garden specialist at Online Turf. Perennial ryegrass is one of the fastest-growing grasses on the market, says Rob Palmer, a lawn care expert with Lawn Squad.