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How to Fertilize the Grass After Mowing It

The lawn requires regular maintenance to keep it looking fresh and healthy. Mowing the lawn will keep it at a reasonable length and keep the grass healthier since it can become damaged if it gets too tall. Proper watering helps the lawn get the nutrients it needs for photosynthesis and fertilizing provides additional nutrition that the lawn isn't getting from the regular environment. All three things are important to a lawn's performance but they need to be properly balanced or else the lawn will suffer. Fertilizing the grass after mowing it requires some care and diligence.

Things You'll Need

  • Spreader
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Instructions

    • 1

      Look to see if your grass is a cold-season or a warm-season variety since both types have their own growing seasons. If you fertilize the lawn when it is not growing season the grass will be unimproved and you encourage weeds to grow. Cold-season grass grows in the early spring and early fall. Warm-season grass is best fertilized in late spring and late summer.

    • 2

      Fill a spreader with fertilizer once your lawn has been mowed. Read the back of the bag to determine how much to use based on the size of your lawn.

    • 3

      Set the spreader in accordance with the fertilizer instructions so the lawn gets the appropriate amount of fertilizer per square foot. The setting determines how much fertilizer the spreader is dropping as it moves.

    • 4

      Walk the spreader across the lawn in even rows to drop the fertilizer down on the lawn shortly after mowing.

    • 5

      Water the lawn either manually or with a sprinkler system to help the fertilizer sink into the soil so the lawn reaps the benefits of it.