If you have a healthy lawn, test every three or four years. Blades of grass start to grow nicely again during crisp fall days when the air is between about 55-75 °F (13-23 °C). When the temperatures start to fall in autumn, you’ll need to mow your grass once a week again until it advances into a dormant stage. That is because while dormant, they still grow but to a very slow pace. Aerate your lawn one to two times a year, once in March or April and again in September or November. Let the seeding begin! Thatch will also harbor bacteria, insects and fungus. The grass also gets going on growing those long roots that store up nutrients over winter for the spring burst of growth. Fall moisture and cooler temperatures are great times for germination. Another reason to water in the morning is that the grass will be dry by the time afternoon or evening humidity sets in. It doesn’t all have to come from you — it can come from natural rainfall. On one hand, grass never ceases to grow but it merely slows down. Further Reading: Check out this study of grass growth in Ireland. Tall fescues, another bunching-type grass, reliably produce a dark green color even if you live in a location with prolonged summer heat, thanks to its deep root system that helps it tolerate drought and warm weather. Recognizing thatch is easy. If you have bald spots in your lawn, this is the best time to repair them. Finding that balance between too much and too little fertilization takes some thought. Usually some time in February and maybe mid-February, maybe late February, you’ll start to see the green shoots start appearing. Apply them just before the soil reaches 55 degrees Fahrenheit and weed seeds begin to germinate. But if you have any problem spots, even if the rest of your lawn does quite well, test them every year. It has a very high tolerance for stress and performs well in areas of your yard that have a lot of traffic. Your lawn now needs about one inch of water every two weeks. Mowing at the wrong time will reduce its efficiency. It’s time once again to add soil amendments, such as lime, to your lawn. The tips we have listed above should help you properly care for your grass. Buffalo grass will take about 14-30 days to grow fully. Hose down any areas of your lawn that have gotten a lot of salt or pet activity over the winter. It features big-bladed leaves and bunching characteristics that give it a rougher look than the finer bluegrass or perennial ryegrass. As noted above, it can go dormant and lose color during a hot, dry summer. “When should I fertilize a cool-season lawn?” is a common question, but the fertilization of cool-season grasses doesn’t have to be complicated. As temperatures drop in fall or winter, turf grasses go dormant, turning brown and using their energy to maintain their root systems throughout the colder months. Add each day’s heat degrees together, starting with January 1 (January 1 + January 2 + January 3… etc.) Core aeration is your best bet. A cool-season grasses list includes Kentucky bluegrass, annual ryegrass, perennial ryegrass, fine fescue and tall fescue. Ryegrass, rough bluegrass, and fescue grasses have the shortest germination periods and are popular among grass buyers. Remember, water in the morning so you won’t scorch the grass. Large hardware stores will rent variation machines for larger lawns, and you can use a hand corer for small areas. Too much shade is not ideal for bluegrass. Does cutting grass make it grow faster? A good rule of thumb for mowing is never to remove more than one-third of the length at one time. March 17, 2010. Grass starts growing when the soil temperatures reach between 5° to 6°C, and temperatures have stayed stubbornly low this spring. If you test now, you’ll get results back in time to make any soil corrections before things really heat up in the spring. They can help you determine the best time to use lime on your lawn and how much you should use depending on the type of your lawn’s cool summer grass. As temperatures drop in fall or winter, turf grasses go dormant, turning brown and using their energy to maintain their root systems throughout the colder months. That is why it’s important to use a soil analysis kit. These products kill weeds below the surface. Keep mowing at that higher level, especially during long, hot, dry periods. If you cut the grass too closely, it makes your grass more susceptible to disease, and you’ll find yourself doing more to keep it in good shape. Seeds sown in mid spring should be well established before the summer, while seeds sown at the beginning of fall should be growing well by the first frosts. But mow it a little closer to the ground than you will the rest of the year. If the weather is warm enough, grass keeps sprouting. Kentucky bluegrass grows with a lovely true green color, but it can turn brown during hot weather. A fine-bladed grass, perennial ryegrass’ distinguishing feature is the whitish cast you’ll see on the top of grass blades after mowing. After that, reduce watering to about twice per week, soaking the soil more deeply (about 6 to 8 inches) each time to encourage grass roots to grow … From June until September, you should water your lawn weekly when rain levels are below one inch. Grass will grow if soil temperature is 5 degrees or more. It's water-activated, breaking down into finely pulverized limestone to begin to work right away! They grow best in the spring and fall when temperatures are between 60 and 75 degrees Fahrenheit. That can also lead to pest problems and make it harder for grass to recover from damage. That gives the air a better chance to circulate through the soil, which in turn helps with water absorption. Warm-season grasses damaged by very cold temperatures or long periods of cold may fail to green up well in the spring. These grass types perform best in areas of the country that see broad temperature variations: hot summers and cold winters – like the northeast. Grass is one of the earliest plants to start growing in spring, and one of the last to stop growing in the winter. What is the best month to aerate my lawn? You should fertilize two to four times per year, based on soil testing. Like, what particular month does the grass start to sprout? The schedule will also help reduce your stress about creating and maintaining that lawn. Knowing whether grass is still growing or not tells us a lot about the length of the growing season. Your goal should be to plant grass when it would naturally grow. As a rule of thumb, once the roots break dormancy, it may take two to four weeks … If you want a fine-textured, deep green and beautiful lawn, Kentucky bluegrass is the right choice. In milder years and areas of the state, this … Find and contact your local Baker Lime dealer today! When you mow, raise your level to around three or four inches to help give roots shade during the warmer weather and encourage growth. The leaves have a gray-green color. So it raises the question, ‘How long does grass seed take to grow?’ Well, you should see signs of germination and growth within 10 days when conditions are ideal. This time of year is when temperatures reach the right level and consistent rain provides enough moisture for many types of … The best months are March or May and September or November. Leave the cores of earth on your lawn, because they add nutrients. Grass growth reaches its maximum at a temperature of 50°F, which mainly occur during the spring months from March to May. Safety Precautions, Find and contact your local Baker Lime dealer, Knowing what time of year does grass start growing, Knowing the best time of the year to apply weed killers and fertilizers, Mowing the grass to the proper height, so it creates optimal growing conditions, How often you should water your lawn depending on the temperature and weather, Knowing when to aerate cool season grass or dethatch your lawn. We’re happy to help with cool summer grass lawns in Pennsylvania, New York, Maryland, Delaware, Ohio and New Jersey. And pay close attention to mowing instructions on the product label. Helping your lawn look its very best requires year-round care, even during the winter months when you might not even be able to see your lawn because of snow. Cool-season lawn grasses, such as Kentucky bluegrass, fine and tall fescues, and perennial ryegrass, flourish in northern regions, where their growth peaks in the cool temperatures and plentiful moisture of fall and spring. The Best Time to Plant Grass. That deep root system makes it an ideal grass for areas of the country that can have temperature swings from deep cold winters to quite hot summers. Keep an eye out for grubs and other turf pests. If it rains more than one inch a week during any week, you do not need to water your lawn. Aerate the soil before the first frost on a cool day when the lawn is damp from recent watering. In reality, they don’t. With the right care and conditions, grass grows from seed to lawn in about two months. Rough bluegrass will usually only start to grow between days 7 and 10. All Rights Reserved. Here is a more seasonal do-it-yourself cool season lawn care schedule for the northeast and states like Maryland, Pennsylvania and Delaware. When the ground temperature reaches 55 to 65 degrees, the roots begin absorbing moisture and ground nutrients. If you want a beautiful, green lawn that’s the envy of your family and neighbors, it requires a little elbow grease. Only when the temperature has been consistent enough to thaw out the ground underneath you, will water begin to absorb into the dirt and more, finally enabling grass growth. Interested in knowing what type of grass grows in Pennsylvania and the northeast? Plan the perfect garden with our interactive tool →, North Carolina Cooperative Extension: Grass Selection, University of Florida Extension: Low Temperature Damage to Turf, University of California Agriculture and Natural Resources: Practical Lawn Fertilization, Purdue University: Nitrogen and Phosphorus: Fertilizing Lawns to Protect Water Quality, University of California Agriculture and Natural Resources: How Much, When, and How Often to Mow, University of California Agriculture and Natural Resources: Seasonal Growth Pattern of Grasses, A&M University Extension: Kentucky Bluegrass, A&M University Extension: St. Augustine Grass. Why Is Year-Round Lawn Care Important for Cool-Season Grasses? 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