Why Mower Leaves a Strip of Grass

Your mower may be leaving a strip of grass due to an uneven deck or dull blades. A well-maintained lawn is a homeowner’s pride.

While mowing, it’s frustrating when the lawnmower leaves a strip of uncut grass along its path. There are several reasons why this might happen, and it’s essential to get to the root of the problem to achieve a luscious and uniformly trimmed lawn. Often, an uneven deck or dull blades could cause the lawnmower to miss spots, leaving untrimmed grass strands. However, identifying and fixing the cause of the problem is crucial to ensure every mowing session provides a professional-looking appearance that various neighbors admire. In this article, we will discuss several reasons your lawnmower may leave an annoying strip of grass.

Why Mower Leaves a Strip of Grass

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If you have ever mowed your lawn and noticed a strip of uncut grass, you are not alone. There are several potential reasons for why this happens, and it is important to know what they are. One possible explanation is uneven blades, which can lead to missed spots.

Another cause could be improper mowing technique, such as going too quickly or not overlapping properly. Additionally, dull blades can result in clumps of uncut grass, leaving strips behind. Identifying the reason behind this problem is crucial for maintaining a well-manicured lawn.

Unleveled Mower Deck

An unlevelled mower deck is one of the common reasons why a strip of grass remains in the lawn after mowing. To determine if the mower deck is even, park it on a level surface and check the height of all four corners.

If there’s an imbalance, adjust the blade height by rotating the lift linkages. Leveling the mower deck will improve cutting quality, increase engine efficiency, and save on fuel. A level mower deck ensures the grass is cut at an even height, promoting healthy growth.

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With a level mower deck, you can achieve a clean and professional-looking lawn.

Is your mower cutting uneven or leaving strips of grass? Maybe this video will help.

Dull Blade

A dull blade is a common cause of uneven mowing. When the mower blade is dull, it tears the grass rather than cutting it cleanly. This leaves a strip of uncut grass behind. Signs of a dull blade include jagged cuts and frayed grass.

To fix the problem, you need to sharpen the blade or replace it if it’s too damaged. A sharp blade ensures precise cuts, leaving your lawn looking neat and healthy. Regular blade maintenance is essential to keep your lawn looking its best.

So, always keep an eye on your mower blade and keep it sharp to avoid those unsightly strips of grass.

Wrong Mowing Technique

Many people find themselves with an unsightly strip of grass after mowing their lawn. This is often due to an improper mowing technique. By mowing in the same direction every time, you can create stripes of flattened grass that reflect light differently, leading to a visible difference in color.

To reduce the chances of striping, it’s important to vary your mowing pattern each time you cut your lawn. This will ensure that the blades of grass are cut at different angles, so that they all stand upright. Proper mowing technique not only makes your lawn look better, but can also promote healthy growth.

By following these tips and making small changes to your mowing routine, you can help prevent striping and improve the overall health and appearance of your lawn.

Uneven Terrain

Mowing might be a difficult task if the terrain is not even. Uneven terrain can directly affect the cutting blades of the mower, causing it to miss some areas, resulting in a strip of grass left uncut. It’s essential to be attentive and careful while mowing on uneven surfaces because it can cause damage to the equipment.

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Ideal techniques for mowing such surfaces include adjusting the blade height, mowing patterns, and using the right equipment. Correctly mowing uneven terrain has various benefits, including preventing accidents, reducing damage to the mower, and ensuring a clean and even cut on the lawn.

By following these techniques, one can achieve the perfect lawn without leaving any strips of grass behind.

Grass Too Tall

Mowing your lawn can be a daunting task, especially when your mower leaves a strip of uncut grass. One reason for this issue could be grass that is too tall. Cut your grass regularly and ensure it’s at the ideal height for mowing, which is around 3-4 inches high.

By doing this, the cutting deck on your mower can more easily cut through the grass, leaving a smooth, even finish. Another way to prevent striping is to level your grass before mowing. This ensures that the mower cuts uniformly across the entire lawn.

Finally, mowing at the right height provides several benefits, such as stronger roots that can withstand drought and better resistance to weeds. Keep these tips in mind the next time you mow your lawn to avoid leaving that unsightly strip of grass behind.


If your mower is leaving behind a strip of grass, the solution may not be obvious. It’s important to take notice and address the issue in order to maintain a neat and uniform lawn. Our article discussed the factors that can cause this problem, such as uneven blades, dull blades, improper cutting height, and poor maintenance.

We reinforced the importance of regularly checking and maintaining your mower, as well as ensuring your blades are sharp and properly leveled. Encouragement was given to take a preventative approach, rather than simply addressing the issue after the fact. Remember, a well-maintained mower will result in a perfectly manicured lawn.


The next time you notice an uneven cut on your lawn, don’t panic. It might be a simple fix. Take a minute to check the blades, adjust the deck height, or switch up the mowing pattern. By following the steps discussed in this blog post, you should be able to identify the problem and find a solution.

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When it comes to maintaining a perfectly manicured lawn, attention to detail matters. Don’t settle for a less than perfect cut, because it could be a sign of bigger problems. Remember to keep your mower blades sharp, adjust the settings for different types of grass, and stay vigilant when mowing.

By doing these things, you will keep your lawn healthy, happy, and always looking its best. Happy mowing!