Bermudagrass is extremely heat tolerant — daytime temperatures of 95 to 100 degrees Fahrenheit are optimal. Pennington Bermudagrass yields dense, resilient, heat-tolerant lawns. Zoysia grass, Centipede grass and Bahiagrass also tolerate high heat very well.
Warm season grasses
Warm season varieties include Couch, Kikuyu, Buffalo, and Zoysia grasses.
The most heat-tolerant grass species include Bermuda grass (especially varieties like common Bermuda, 'Celebration,' and 'GN1'), zoysia grass, St. Augustine grass, centipede grass, and bahiagrass. Despite being cool-season grass, buffalo grass also performs quite well in the heat.
During the summer, when temperatures rise, atmospheric and soil temperatures become too hot for cool-season grasses to grow and flourish. Once temperatures reach 77 degrees, it becomes too hot for root growth, and root growth ceases.
Bermudagrass is ideal for hot and dry areas because once established, it tolerates both conditions very well (though it will need some water to stay green in arid environments). A finely textured turfgrass that grows best when maintained at 1-2 inches in height, bermudagrass requires full sun for best growth.
Sun Lovers: Tall Fescues & Kentucky Bluegrass
There are two types of cool-season grasses that are perfect choices for tolerating hot summers and full sun – tall fescues and Kentucky bluegrass.
This may seem like a no brainer, but watering grass during extreme heat is the single most important thing you can do to keep it alive. We recommend watering daily with heat like this, but please be sure to abide by local regulations for water usage in your state. It also matters what time of day you water your lawn.
So, how often should you water your lawn in the summer? The answer may surprise you. Between irrigation and natural rainfall, your grass should receive between 1 and 1.5 inches of water each week during the summer. Water deeply every other day for the best results.
Reinvigorate Your Lawn
By spreading grass seed over your existing lawn, you can thicken up the thin areas, and your lawn will start to look terrific again.
Zoysia grass is an excellent choice if you live in an area with hot, dry summers and want a low-maintenance lawn. Bermuda grass, on the other hand, is ideal if you want a durable, high-traffic lawn that establishes quickly.
Kentucky bluegrass is a very popular cool-season grass in the northern U.S. It has an aggressive spreading habit and dark green leaves. Bluegrass holds up well in high traffic areas of the yard, areas with moderate shade, as well as sunny areas and under scorching heat.
Bermudagrass. Bermudagrass is a bright and coarse grass that does well in the full sun. This species is perfect for lawns, turfs, or any place that may have high foot traffic. Bermudagrass thrives in the southwest desert and pacific southwest and has its best color during the hot summer months.
AVOID MOWING DURING EXTREME HEAT When your lawn is particularly stressed from heat or drought, it can be limited in its ability to recover from mowing and can be damaged even more. Instead, mow the grass after a rainfall or after irrigation day.
Zoysia. Zoysia is a genus of grass that is dense and luxurious, making it perfect for high paw-traffic. It does well in warmer climates and does not require frequent watering because of its resistance to drought. Once established, it is very durable and creates a soft, thick lawn that will withstand your pup's playtime ...
Avoid watering grass on a hot afternoon when it's 95 degrees or higher. The best time to water grass is at dawn or in the early evening. Water deeply three times a week instead of a little water daily. Test whether your sprinkler system is watering your lawn evenly.
If it's 70-80 degrees outside try watering 2-3 times a week. During the spring your lawn will be fairly easy to manage so you don't have to water all the time. In the blazing summer, when temperatures are between 90-100+, try watering 3-4 times a week.
Bermuda grass, on the other hand, really thrives when summer temperatures approach 90°F. Bermuda, as well as Zoysia grass, is a warm season grass that grows best at temperatures ranging from the 80s to the 90s.
Most lawns need to be watered no more than three days a week in the spring as well as in the summer and two days a week in the fall. This watering schedule is recommended under normal water supply conditions.
Growth regulator was applied and Doc shows the dramatic difference on the lawns. Many people wrongly stop fertilizing their Bermuda lawns in the summer. In fact Bermuda grass lawns LIKE to be fed as long as there is enough rain or irrigation. Unlike fescue lawns, Bermuda likes the heat.
Perennial ryegrass is used for the very toughest applications, premiership football pitches, showgrounds, racetracks etc. Over recent years, new varieties of amenity perennial ryegrass have been cultivated to produce finer leaves in order to produce attractive, lush green lawns.
Perennial ryegrass is the most durable variety of grass, so it is the most popular grass for golf courses in northern climates. This is a kind of grass with tough blades and a strong root system. As well, it withstands heavy foot traffic, is fast-growing, and is drought-resistant.
The best month to put grass seed down depends on the type of grass you have. The best time to plant grass seed for cool-season grasses is in early fall or around September. For warm-season grasses, late spring or early summer is the optimal time.