Home Lawn Care When is the Best Time to Water Grass?

When is the Best Time to Water Grass?

When is the Best Time to Water Grass?

Along with sunlight and nutrients, water is an important factor that contributes to the growth of grass. Using proper watering techniques will help maintain a green and healthy lawn. With that in mind, some habits can hinder the performance of your lawn. These habits often appear when it is time to water your grass.

A common mistake made by lawn owners is overwatering. It is important to note that different types of grass may require different amounts of moisture to thrive. For example, bermudagrass is a warm-season grass that can survive in dry conditions. Centipede grass, on the other hand, needs to be watered frequently to be sustained. That being said, both types of grass require moisture and can still be overwatered.

If you would like to learn more about specific types of grass, feel free to visit this article: Types of Grass for Your Lawn.

Some may believe that water is incapable of harming grass because of how vital it is. But, overwatering your lawn can drown the roots of the grass. As a result, the roots become shallow and prone to stress. This leaves room for weeds to grow, which can prevent your grass from growing. 

Overwatering can also encourage disease and provides an environment for pests to thrive. Not watering your lawn enough can be harmful as well. Providing very little moisture will prevent your grass from growing deep roots. In turn, your grass will be vulnerable to heat and may suffer during the warm summer months. That is why practicing healthy watering habits is crucial to the survival of your lawn. 

But, even the amount of water used is not enough to ensure that your lawn is properly taken care of. The time of day can have an impact on how effective your watering techniques are. So, when is the best time to water your grass?

Early Bird Gets the Worm

Sunrise in a field of grass

Watering your grass early in the morning will give you the best results, and this is true for all types of grass. To be more specific, the best time to water your lawn is between 5 A.M and 10 A.M. 

You may be asking why this is the case. One reason is that it is much cooler during the early hours of the morning. Watering during this time prevents evaporation from occurring all at once and gives your lawn time to absorb the moisture. 

Watering your grass in the morning will also keep your lawn cool while temperatures rise throughout the day. Doing so will prevent your grass from enduring stress. Also, early watering will prevent diseases from causing damage to your lawn. 

For those who are unable to water their grass early in the morning, the next best time to water grass is between 4 P.M and 6 P.M. The temperature during the late afternoon is cool enough for the grass to dry before nightfall. 

With this in mind, you should avoid watering your grass at night. The water will not evaporate as quickly, and keeping your lawn moist overnight will create an environment for diseases and fungus to thrive. 

Parched or Quenched? → How to Tell the Difference

Sprinklers to water your grass

One of the easiest ways to tell if grass needs water is by observing the color. While other factors may impact the shade of green, a lawn in need of water will have a dull tint. 

There are a few other methods to use to determine whether your lawn needs water. Believe it or not, walking on grass will tell you if it is dehydrated. Grass that springs back up after foot traffic has plenty of water. If your footprints are visible, then the grass is lacking moisture. Curled blades are another indicator of grass that needs water. 

To check if your grass was properly watered, you can use the screwdriver test. First, measure 6 inches and draw a line on the screwdriver to mark it. Then, stick the screwdriver into the soil. If you have trouble reaching the 6-inch mark, then your grass needs more water. 

The can test is another method that will reveal if your lawn is getting the right amount of water. To do this, place a few empty tuna or cat food cans across your lawn. Once this is done, run your sprinkler or other watering systems and measure how long it takes to fill up the one-inch tall cans. That will tell you how long you should water your lawn. 

Newly seeded grass requires the most amount of water. After the first year of installation, you can dial back how much water you provide. Also, make sure to pay attention to weather patterns. Heavy rain can flood your lawn, so take note of when this is in the forecast to prevent overwatering. 

Methods for Watering a Lawn

When to water your lawn

There are a variety of ways that you can water your lawn, but some irrigation systems may work better than others. For instance, a regular hose can be used for plants and flowers, but is not as useful or a lawn. 

Sprinklers are the most common method used for watering grass, and there are many types. Oscillating sprinklers spray water upward and move back and forth. Pulsating sprinklers shoot water horizontally, and the speed that it is sprayed prevents wind from interfering. Below are a few products to consider:

Melnor 65003-AMZ MiniMax Turbo Oscillating Sprinkler

  • This product comes in three different styles, with a starting price of $19.99. It can cover up to 4000 square feet and has received a rating of 4.5 out of 5 stars.

Melnor 65051-AMZ Pulsating Sprinkler

  • Amazon’s choice for pulsating sprinklers. It is very affordable, selling for $23.99. Quick and easy connection and can cover up to 85 feet in diameter.

In-ground irrigation systems are another option. The system is precise, so it will spray water in a consistent pattern, making it more likely to cover the span of your lawn. This method does come at a much higher price than the others, as it requires the installation of an underground system. 

Frequently Asked Questions: When is the Best Time to Water Grass?

What is the best method for watering a lawn? 

The size of your lawn can determine what kind of irrigation system will work best. Hose-end sprinklers are most suitable for small and medium-sized lawns, whereas traveler sprinklers are effective on more extensive lawns. Performance-wise, the in-ground irrigation system is the most ideal because of its precision. But the price is another factor to consider, so you should determine which one suits you best based on your budget. 

How often should I water my grass? 

As previously mentioned, different types of grass may require more water than others. However, keep in mind that most lawns do not need to be watered every day. Instead, they should be watered every few days or two times a week. 


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