Maintaining a healthy and lush lawn during the late summer months can be challenging, especially in regions like Boise, where the heat is intense, the air is dry, and the sun is relentless. However, with the proper techniques and care, you can keep your lawn looking its best, even in these challenging conditions. Here’s a guide on how to mow your lawn in late summer in Boise’s unique climate.
Timing is Everything
Mow in the Early Morning or Late Evening
To avoid the scorching heat, mow your lawn early or late in the evening. This protects you from the intense sun and reduces stress on your grass. Mowing during the more excellent parts of the day helps prevent the grass from drying out too quickly.
Adjust Your Mower Height
Keep It High
In late summer, it’s crucial to keep your mower blades high. Set your mower to cut the grass at about 3 to 4 inches. Taller grass provides shade for the soil, which helps retain moisture and protects the roots from the intense heat. It also reduces weed growth by blocking sunlight from reaching weed seeds.
Mow Regularly, But Not Too Often
Maintain a Schedule
While keeping your lawn tidy is essential, avoid mowing too frequently. Mowing too often can stress the grass, especially during dry and sunny conditions. Aim to mow once a week or once every two weeks if your grass growth has slowed down due to the heat.
Keep Your Blades Sharp
Sharp Blades for Clean Cuts
Ensure your mower blades are sharp. Dull blades tear the grass rather than cutting it cleanly, leading to brown, ragged edges that are more susceptible to disease and drought stress. Sharpen your blades regularly to maintain a healthy lawn.
Water Wisely
Deep and Infrequent Watering
In Boise’s dry summer heat, watering your lawn is essential. Water deeply and infrequently, aiming for about 1 to 1.5 inches per week. Early morning is the best time to water, allowing the grass to absorb moisture before the day’s heat. Avoid watering in the evening to prevent fungal growth.
Leave the Clippings
Mulch Mowing
Consider using a mulching mower or leaving the grass clippings on the lawn. These clippings act as a natural fertilizer, returning essential nutrients to the soil and helping to retain moisture. This practice, grasscycling, can significantly benefit your lawn’s health.
Aerate If Needed
Improve Soil Compaction
If your lawn feels hard and compacted, consider aerating it. Aeration helps improve soil compaction, allowing water, nutrients, and air to reach the grass roots more effectively. Late summer is a good time to aerate, as it prepares your lawn for the cooler fall weather.
Watch for Signs of Stress
Identify and Address Issues
Keep an eye out for signs of stress, such as brown patches, wilting, or thinning grass. Address these issues promptly by adjusting your watering schedule, mowing height, or seeking advice from a lawn care professional. Early intervention can prevent minor problems from becoming major ones.
Conclusion
Mowing your lawn in late summer in Boise requires a bit of extra care and attention due to the region’s dry and sunny conditions. By following these tips—mowing at the right time, keeping your mower blades high and sharp, watering wisely, and watching for signs of stress—you can maintain a healthy and vibrant lawn even in the toughest summer heat.
Remember, a well-maintained lawn enhances the beauty of your home and provides a cool, green space to enjoy during the hot summer months. So, grab your mower, follow these guidelines, and keep your Boise lawn looking its best all summer long!

