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Summer Maintenance Tips for Your Centipede Lawn

Summer Maintenance Tips for Your Centipede Lawn

It’s time to soak up the sun this summer season! Around this time last year, most of us were actively quarantining with the outbreak of COVID-19. Now that the majority of the United States is currently being vaccinated, it’s no surprise that we want to make the most of this summer season.

Whether you’re planning a pool party in the back yard for your kids or throwing a cookout with dad and the neighbors, a gorgeous lawn that stands out from the rest of the neighborhood can make a really great impression. Our summer maintenance tips for your centipede grass will have your lawn looking its best all summer long. Be sure to also check out our series of Homeowner Maintenance Guides for generic centipede grass and Santee® Centipedegrass.

1. Keep Up with Summer Mowing (and Reduce the Time Spent on This Chore)

A lot of homeowners hate summer lawn work because of the high temperatures and even humidity in certain areas. Mowing a lawn in these outdoor conditions is not something any of us look forward to. What’s worse, if you skip a week or let the grass get too tall, it becomes harder to push the lawn mower.

Centipede grass should be kept at a mowing height of 1.5–2 inches. If parts of your centipede lawn are located in shady areas, consider keeping these spots slightly higher. A mowing height of 2–2.5 inches should do the trick. Never remove more than a third of the leaf blade. If more than this amount is removed, the grass will stress and turn brown for a short period of time.

  • Santee Centipede: 1.5–2 inches

A good rule of thumb is to never remove more than a third of the leaf blade at a time. If more than this amount is removed, the grass will stress and turn brown for a short period of time.

If you are returning from a summer vacation, you may have to mow multiple times to get the grass back to its desired height. Be sure to wait about 3–5 days between each mowing.

Note: Get ahead of summer mowing and check out our tips on reducing time spent mowing your lawn as it gets hotter outside: How to Mow Your Lawn Less During the Summer.
Centipede Grass Top View
2. Keep Your Heat-Stressed Centipede Grass Strong with the Right Summer Fertilizer

Centipede grass needs different nutrients as seasons change. Sometimes, nutrients like phosphorus, potassium or even micronutrients become more important than nitrogen.

This is especially true in the summer. Your lawn will more than likely endure some form of stress from the summer heat around this time. It’s important to feed the grass with the appropriate amount of nutrients to help out with this stressful period by using a summer lawn fertilizer.

Grass requires less nitrogen in the summer than it would in the spring when it’s coming out of dormancy and trying to green up. Nitrogen promotes new growth, which will not survive in the heat of the summer. The wrong fertilizer combined with excess sunlight during the summer can easily cause scorched spots in your yard.

Sod University recommends two different fertilizer options for the summer, however, you will only need to use one of the two options for summer fertilization. Using both at the same time may result in burns in your lawn.

Option 1: Our first recommendation is the Lawnifi® Summer Fertilizer Box, a liquid fertilizer program designed to give centipede lawns the nutrients they need to survive and flourish during the hot summer months.

With one bottle of Maintain and two bottles of Recover, the Summer Fertilizer Box’s application schedule will give your centipede grass nutrition all summer long. Maintain’s 16-0-4 formulation works to fortify your lawn with potassium, amino acids and carbon.

Recover’s 13-0-0 formulation was created to provide the optimal balance of nutrients to lawns as temperatures start to rise. In addition to nitrogen, Recover delivers critical micronutrients like soluble manganese, iron, sulfur and carbon, which help your centipede grass get through the dog days of summer.

Each bottle of Lawnifi easily hooks right up to the end of your garden hose for an even spray application.

Option 2: The next recommendation we have is Lawnifi Foundation, a granular fertilizer option that comes in a 25-pound bag and feeds for three months. With a 29-0-5 NPK formulation, Lawnifi Foundation is the perfect granular fertilizer for lawns and gardens.

The two percent iron included in Lawnifi Foundation’s mixture helps plants carry oxygen throughout the leaves, roots and other parts of the plants to promote a green, healthy lawn.

Featuring slow-release nitrogen, Foundation gradually feeds your centipede over an extended period of time without overwhelming your lawn with nitrogen during the summer.

Both Lawnifi Foundation and the Summer Fertilizer Box cover 5,000 sq. ft. Learn more in Granular vs. Liquid Fertilizers or by clicking on the two products below. For more generic information about the Lawnifi brand, read Why Use Lawnifi Fertilizer?.

3. Make Sure Your Centipede Lawn is Hydrated…But Not Too Hydrated

The summer season comes with significantly warmer temperatures and a longer amount of time with sunlight. This frequently tempts homeowners to water the lawn more often to make sure it’s hydrated. This is not always recommended as waterlogged soils in warm climates are ideal environments for disease outbreaks.

Despite the hot temperatures that occur during the summer, centipede grass should only need about one inch of water on a weekly basis. This is best accomplished with one or two waterings a week.

Water in the early mornings for longer periods of time, less frequently and take any rainfall into consideration. Watering your lawn in the early morning decreases the dew period. As a result, this also decreases the amount of time the grass blades are wet, which is a helpful disease management practice.

If you aren’t sure how to measure one inch of water, consider conducting an easy irrigation audit. If the lawn seems to become too warm or starts accumulating scorched, brown spots, consider adding a layer of top dressing to keep it shaded and cool. Read more about this in How to Top Dress Your Lawn with Compost.

Watering grass with several sprinklers
4. Be Cautious with Weed Control

The summer season is one of the worst seasons for herbicide applications on any type of turfgrass. When temperatures reach or exceed 85 degrees Fahrenheit, herbicide chemicals will damage the grass.

It’s best to wait until it gets cooler and apply a post-emergent herbicide to any weeds that are currently in your yard. In the future, apply a pre-emergent herbicide in the spring to reduce summer weeds and be sure to apply a pre-emergent herbicide in the fall to keep fall and winter weeds out.

If temperatures are consistently below 85 degrees, it’s generally safe to apply post-emergent herbicides for any summer annual and perennial weeds. However, we suggest waiting until it gets closer to the fall season. If temperatures are low one day and exceed 85 degrees in the following days, the grass is still vulnerable to damage from the herbicide.

Learn more in How to Control Weeds During the Summer.

A few common weeds you might see during the summer are knotweedspurgelespedezacrabgrassgoosegrassnutsedge and sandspur.

Pictured above from left to right: Knotweed, spurge, lespedeza and crabgrass.

Pictured above from left to right: Goosegrass, dallisgrass, nutsedge and sandbur.

 Below are some of the best weed killers for centipede grass. Be sure to read herbicide labels thoroughly before application.

5. Watch Out for Insect Infestations or Damage

This time of year is the absolute worst time for insect invasions. Bugs like fire ants or mosquitos aren’t the only ones to watch out for—there are a lot of insects that can cause severe damage to your lawn. Some of the most common summer insects include grub wormsmole crickets and spittlebugs.

Pictured above from left to right: A grub worm, mole cricket and spittlebug.

Symptoms of an insect invasion differs from insect to insect. For example, a common way to identify a grub worm problem is by noticing an increase in burrowing mammals like moles, that are feeding on them. You can also dig a little in your lawn and spot them that way.

June is about the time to apply a preventative insecticide for grub worms because the adult beetles like the Japanese beetle or May/June beetle start flying around and drop eggs at this time. Apply a systemic insecticide like Merit 0.5G to prevent grub worms.

If you notice grub worms in your lawn, Scotts GrubEx or Dylox 6.2 can be applied as a curative treatment.

A mole cricket infestation can be identified by their tunnels which push up soil and grass, as well as the presence of brown and dying grass due to mole cricket feeding habits.

Lastly, spittlebugs love centipede grass. You can easily spot them simply by walking through your lawn and seeing if any start jumping around. You may even notice “spittle”, or a white frothy substance that accumulates on the leaves of your grass or ornamentals. Spittlebug nymphs create this to hide from predators while they’re young.

Some of the insect control products listed below are labeled to treat these common insects. Be sure to read the label thoroughly before application. Learn more about different types of lawn insects in Insect Identification.

6. Relax About Disease Control

Disease outbreaks in centipede lawns are pretty uncommon at this time, however, they can still happen—especially if you overwater your lawn during the summer. Warm and wet conditions are optimal environments for disease outbreaks.

Dollar Spot In Home Lawn

Pictured above: Dollar spot in a home lawn.

Although certain chemical solutions found in fungicides have the ability to cure lawn disease, there are a few cultural methods you can perform to keep disease outbreaks from occurring beforehand. These cultural methods are common maintenance practices found in our Centipede Homeowner Maintenance Guide. Overtime, these maintenance practices promote a healthy lawn that can withstand stressors and fight off things like insects or disease.

However, there are a few recommended disease control products we’ve listed below. Be sure to read the label thoroughly before application. You can learn more about these diseases in Identifying Common Lawn Diseases.

Summer lawn care tips for your centipede lawn are mostly about keeping it healthy and stress-free during the hot summer temperatures. This will help it continue to thrive when temperatures eventually cool down and we enter into the fall season. We will see you back here in the fall for our updated fall maintenance tips for centipede grass.

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