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Watering Your Lawn After Fertilizing: How Long to Wait & How Long to Water

As you likely already know, so much of the health and success of your lawn comes down to proper timing. It’s a matter of performing the correct services when they need to be performed.

Of course, you’re likely not an agronomist and you don’t know the exact timing of everything that your lawn needs. We certainly understand that! Lawn care can be complicated and require a tremendous amount of knowledge so you are not alone in having questions.

Some of the most common questions that we get as lawn care professionals have to do with watering after fertilizing. Homeowners want to know when to water the lawn after fertilizing. Or, how long to water the lawn after fertilizing. They understand that their watering efforts can make a difference in the overall success (or failure) of their fertilization service.
lawn irrigation after fertilizing
Whether you’re attempting DIY lawn care or you’re working with a professional, you want to make sure that you’re armed with the correct information and making the best decisions for your lawn. That’s why we’re answering some of the most common questions around watering and fertilization.

When to Water a Lawn After Fertilizing?

At Master Lawn, we typically say to wait 24 hours before watering your lawn after fertilizing. But it is important to make sure that it does receive a good watering session soon after that 24 hour waiting period.

Watering helps the fertilizer to activate and to break down and begin feeding nutrients to the lawn. The key nutrients that a lawn needs are Nitrogen (N), Phosphorous (P), and Potassium (K), all of which are found in fertilizer, and each of which has a different function.

In terms of the time of day, the ideal period to water the lawn is in the early morning, just at sunrise (or immediately beforehand). In the middle of the day, when the sun is at its strongest, water is going to evaporate too quickly to be effective.

But watering at night can also be problematic and should be avoided. When there is not enough sunlight available for the lawn to begin to naturally dry out, excessive moisture combined with heat can be the perfect recipe for fungal growth to occur overnight.

Sticking to watering in the morning will help prevent these issues.irrigation after lawn fertilizing

How Long to Water a Lawn After Fertilizing?

Your lawn’s watering needs can change based on the weather conditions. But you probably want at least some idea of how long or how often, to water.

While we recommend watering 1 to 2 times a week once the fertilization season starts in early spring (while we’re also likely receiving ample rainfall), in the heat of the summer, that can be easily ramped up to 3 to 4 times per week.

It’s important that your lawn continues to receive ample water, even through the hottest days. Drought stress can really do a lot of damage to a lawn.

In addition, your lawn care professional will also know exactly how much fertilizer to apply during periods of drought. This is important as forcing your grass to grow too much with fertilization during periods of drought can actually end up harming your lawn.Lawn technician applying fertilizer

How Much to Water Your Lawn After Fertilizing?

The general rule for watering a lawn is 1 to 2 inches per week. The best way to achieve this is to think of giving your lawn a good “soaking” with deep waterings. The goal is to soak your lawn until the soil is moist to a few inches deep. The exact amount of time that this may take will depend upon your lawn and its sprinkler system. On average, it could take around 45 minutes to an hour.

Of course, Mother Nature will hopefully also be doing some of the watering work. But we find homeowners sometimes over-estimate how much rain actually fell. Using a rain gauge can be an effective way to keep track of how much water your lawn is receiving during periods of rainfall.

We also want to mention that if you’re currently using a hose and sprinkler system (and having to set a timer and move it around so that your entire lawn is covered), we recognize this can be frustrating. It takes a lot of time and effort. For that reason, a lot of homeowners like the idea of a professional irrigation system, which will take all of the guesswork out of watering the lawn. With an irrigation system, you can ensure it’s set to receive exactly what your lawn needs.

Our sister company, Michael Hatcher & Associates, installs irrigation systems in and around Memphis, TN and Northern Mississippi if that is something that you are thinking about.sprinkler head in grass

Getting the Great Lawn You’ve Been Wishing For

The decisions that you make for your lawn are important. As we mentioned early on, the timing of those decisions is also critical to your success. Proper fertilization and proper watering are two services that can play a huge role in your overall results, assuming that they’re performed properly.

If you’re currently performing DIY lawn care or using a lawn care professional but not seeing the results that you desire, then you might be looking to choose a different lawn care company in Memphis, TN or Northern Mississippi. After all, if you are investing in professional lawn care, you deserve to get the results you’re wishing for.

At Master Lawn, we believe that a healthy lawn is a team effort.

While we will be performing professional fertilization services, we’re here to support you with your watering needs. That includes any watering questions that you might have. We can also connect you with our sister company if you prefer to take that work off of your plate and have a professional irrigation system installed. At the end of the day, we want to help you see your lawn succeed.

You can count on us to be here for whatever you may need in making your healthy lawn wishes come true.

If you’re ready to work with a lawn care company in Memphis, TN and Northern Mississippi that will be there to provide you with guidance on any lawn care issues that arise, talk to a lawn care expert, choose from 3 program options, and become the master of your lawn.

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Michael Hatcher

Michael Hatcher is Founder / Chairman of Michael Hatcher & Associates.

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