Often asked: Do I Have Warm Or Cool Season Grass?

Warm season grasses are varieties that are in active growth beginning in late spring and go dormant in early to mid-fall. Cool season grasses are varieties that are in active growth (“green up”) much earlier in the growing season (mid-spring) and stay green longer into the fall before going dormant in late fall.

How do I know if my grass is cool season?

Cool Season vs Warm Season Cool Season Grasses grow the fastest during the fall and spring, preferring temperatures between 50 and 80 degrees. Cool season grasses stay green until temperatures drop below 32 degrees F for extended periods and can survive subfreezing temperatures.

What warm season grass do I have?

Warm season turfs are most common in Southern California. These grasses include Bermudagrass (Cynodon dactlyon) and Zoysiagrass (Zoysia japonica). These grasses can tolerate the extremely warm temperatures common in Southern California. Because these grasses are heat tolerant, they will not go dormant in the summer.

How can you tell what type of grass you have?

Grass types vary in the width of their blades and whether blade tips are sharp-pointed, rounded or boat-shaped. The arrangement of grass leaves in new shoots, called vernation, may be V-shaped and folded or circular and rolled. Your grass’s growth habit also provides grass I.D. clues.

What are the main differences between warm season and cool season grasses?

There are actually two different types of grass, warm season and cool season. Cool season grasses will continue to grow and retain their colour throughout the cooler months. Whereas warm season varieties slow down in growth and lose some colour when the cooler temperatures hit.

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What temperature does cool season grass grow?

The most leaf and shoot growth for cool-season grass occurs when daytime air temperatures are between 60°F and 75°F and nighttime air temperatures are in the mid-50s. If the region you live in enjoys this temperature zone for most of the year, cool-season turf grasses may be ideal and deliver your best yard possible.

What temp does cool season grass go dormant?

Cool-season grasses enter dormancy during the hot summer months — temperatures above 90 degrees Fahrenheit effectively stop growth. Even a period of cold below 40 degrees Fahrenheit in the spring causes cool-season grass dormancy until warmer weather returns.

When should I Dethatch my cool season grass?

The best time to dethatch your lawn is when it’s actively growing and the soil is moderately moist. For cool-season grasses, that’s early spring or early fall. For warm-season grasses, dethatch in late spring through early summer (after the second mowing). That’s when your grass is growing most vigorously.

Will cool season grass grow in summer?

Cool-season grasses go dormant and do not grow during hot weather, when the soil temperature goes above 65 degrees F. Since this is common during the peak summer months, planting cool-season grass seed can result in poor seed germination or even seedling death.

Can you mix warm and cool season grasses?

For most residential lawns, cool-season grasses should never be mixed with warm-season grasses. Doing so results in a very non-uniform, patchwork-like lawn full of differing colors and textures.

What is cool season grass?

Cool-season grasses are grass types that thrive in areas with cold winters and hot summers. However, these grasses grow best when temperatures are between 60-75 degree F, which is why they grow most actively in the spring and fall.

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How do I identify wild grass?

Grasses have narrow leaves with parallel veins and small, inconspicuous flowers. Stems are usually round and have visible bulges or joints where the leaves attach (nodes). They are usually hollow except at the nodes.

Do cool season grasses spread?

Maintenance Needs of Cool-Season Lawn Grasses But keeping it at its best requires mowing at least once per week—possibly more during the peak growing seasons—and regular fertilization is a must. Its vigorous spreading growth habit also leads to thatch buildup that requires regular dethatching and possibly aeration.

Is St Augustine a warm season grass?

Warm Season Grasses Defined The major grasses in this category are bahia grass, bermuda grass, centipede grass, St. Augustine grass, and zoysia grass. Bahia grass and St. Augustine grass are found primarily in the Gulf States where the soil is sandy and the air is salty.

What grass stays green all year long?

But there are some grass types that are able to withstand heat and cold extremes, including in the transitional zones, and produce that coveted green color during winter: bermudagrass, zoysia and Kentucky bluegrass. If you sow grass seed and follow a good maintenance program, you could enjoy a green lawn all year long.