Here's Why You Shouldn't Cut Your Lawn Grass Too Short

February 23, 2021
Est. Reading: 2 minutes

One of the common mistakes homeowners make when it comes to their lawns is cutting the grass too short. Mowing the grass too short has a lot of detrimental effects, which can affect not only the health of your lawn but its aesthetic appeal as well. Homeowners cut their grass too short because they think this would help reduce the time they mow the lawn. The reality is, you will only buy yourself a few extra days between mowings when you cut it too short. In the long run, you will pay a hefty price for your extra hour of free time. 

What Happens When You Cut the Grass Too Short? 

Grass that is cut too short can put a lot of stress on the lawn. You see, each blade of grass is a leaf, and when there’s less leaf area, the grass will have less surface area to provide photosynthesis that fuels root and leaf development. 

When the grass is cut too short, the grass plants’ actual crowns can be injured by the blade, which will open up a lot of problems. The plant will put its energy to recover from crown damage, which will make the lawn more vulnerable. When this happens, it will increase the pressure from diseases, weeds, and insects. 

Once a lawn suffers widespread crown damage, it may struggle against infestations and weed invasions throughout the growing season. Even if the plant crowns are not damaged, short grass will offer little shade to sensitive plant crowns. In the summer, this will put the lawn under a lot of stress. 

How to Mow the Lawn Properly

You should prevent cutting the grass too short by mowing the lawn as high as possible. 3 to 3 ½ inches are ideal height levels. Mowing your lawn between these height levels once a week will reduce stress to the plants, which will result in a healthier lawn. 

When you have longer grass, there will be more leaf blades. Therefore, there will be more photosynthesis that will result in stronger growth. It will allow the plants to withstand better stresses like drought, insect infestation, and heat. 

Additionally, when there’s longer grass, you only need to use fewer chemicals. So, let the grass grow to an ideal height level and keep there. 

Take Time to Do Frequent Trims

Now that you know the reason you shouldn’t cut your grass too short, be careful not to go to extremes and let the grass grow 6-8 inches or more between mowings. Every time you mow, cut no more than 1/3 of the total length of the grass blades. Trimming a small amount is better, though. 


Keeping your lawn healthy isn’t the easiest thing to do, especially if you dread mowing the lawn or are too busy to mind its upkeep. However, it’s something you shouldn’t skip if you want to have a nice yard. When mowing your lawn, make sure not to cut too short, or else! Use this information to keep your lawn healthy, beautiful, and thriving.

Do you need a lawn mowing service in Oakville? Lawn Care Alert is the top lawn care and property service of choice in the area. Contact us today. 

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