While it might be tempting to lower mower blades when summer temperatures reach their hottest, it is possible to cut grass too short. Homeowners who want to cut back on the time they spend mowing their lawns under the hot summer sun should avoid lowering their mower blades too low, as doing so can cause significant damage to the lawn. Lawns that have been cut too low are less capable of surviving drought and are unlikely to thrive. When grass is cut too short, the stem tissue from the grass is exposed, and that exposure can lead to unsightly grass that turns yellow or brown. Grass that is cut too short also may suffer from weaker roots, which in turn makes the grass weaker and less likely to grow in strong. In addition, weaker grass is more susceptible to weed growth, which can be both a nuisance and an eyesore. When mowing, homeowners should remove no more than one-third of the grass blade. Mowing at this height will promote strong roots and protect the grass when the weather gets especially hot in the summer.

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