Perennial ryegrass (Lolium perenne ) is one of the most popular grass types used for lawns, sports fields, and pastures, making it an excellent option for both homeowners and landscapers.

Perennial ryegrass is a cool-season grass variety that's ubiquitous on lawns throughout cool, mild regions, such as the ...

Perennial ryegrass is often planted in locations in higher elevations with cooler summer weather. When temperatures reach the high 80s, ryegrass dies out leaving bare spots.