Cool-season grasses are the primary type grown in Northern lawns and include fescues, Kentucky bluegrass, and ryegrasses. In the North, active growth occurs mainly in the shoulder seasons.

Mow at the Right Height An ideal mowing regimen for cool-season grasses in the summer is to let the grass get about 4.5 inches high, then mow it down to about 3.5 inches. This accomplishes two things: ...

Cool-Season Grasses: Tall Fescue, Fine Fescue, Kentucky Blue, Perennial Rye (longer cut grasses) Warm Season Grasses: Bermuda, Centipede, Zoysia, St. Augustine (shorter cut grasses) ...

In 2019 and 2020, first-cutting hay was taken from monocultures of seven cool-season grasses: Meadow Fescue, Festulolium, Perennial Ryegrass, Orchardgrass, and three Tall Fescues (toxic endophyte ...

Ornamental grasses are a low-maintenance, visually appealing, and welcome addition to home gardens. They can be attractive throughout the year, whether they are cool-season or warm-season grasses.

Cool-season grasses, on the other hand, thrive in cooler temperatures, so they are more common in northern states. Watering your lawn is dependent on factors such as location, type, and amount.

Cool-Season Grasses Cool-season grasses, like Kentucky bluegrass, fescues, and perennial ryegrass, prefer a late summer or early fall planting schedule, says Roderick.

Cool-season grasses don’t tolerate heat well and will go dormant when the temperature exceeds 65°F, so this is worth remembering if you plan to plant cool-season grass in June.

In the spring, they will cut the cool-season grasses, let the cut grass lay out and dry and then get baled. Typically, growers will get their first cut of warm-season grasses in June.

Key Points Cool-season grasses naturally go dormant in summer to protect themselves against extreme heat. Preventative measures include proper grass seed selection and keeping your lawn dethatched.