Lawn grass grows best when no more than one-third of the length of the leaf blades are cut at a time. For example, if your mower deck is set to 3 inches, cut the grass when it is 4 ½ inches tall. Removing more than one-third of a grass plant’s foliage causes stress and limits root growth, resulting in a weaker plant., The only time mid-morning might not be the best time to mow is if you have a north-facing lawn. It might take a while for any dew to evaporate due to shade being cast by your house. In which case, choose the next best time. Late Afternoon: 4pm – 6pm. Late afternoon, between 4pm – 6pm is also a good time to cut the grass., A cloudy day with no rain forecasted is the ideal day to mow the lawn. Avoid mowing wet grass, as the moist clumps can clog your motor and leave behind uneven patches on your lawn. Mid-morning is the best time to mow. It allows you to avoid the two things you don't want when mowing: moisture and heat., The ideal time to mow your lawn in the morning can vary with the seasons and your location. If your property has a lot of shade, you might need to wait longer for the previous night’s dew to fully evaporate. Midday: 10am – 4pm. Midday is definitely not the best time to mow lawn in heat. In fact, it’s the worst., The best time of day to mow your lawn is typically in the late afternoon or early evening, when temperatures have cooled down slightly but there is still enough daylight. This timing allows the grass to recover from mowing by evening, reducing stress on the grass blades and roots. Mowing during this time also minimizes the chances of burning , The Best Time of Day To Mow Your Lawn Ideally, “it’s better to mow when the canopy, or grass leaves, are dry,” says Waltz. “That means after the dew has dried, which is usually around mid-morning, even in the humid Southeast.”.