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How and When to Mow in Summer: Tips for a Healthy Lawn

Federico A

Summer is a critical time for lawn care. The combination of heat and extended daylight hours can put stress on your grass, making proper mowing practices essential for maintaining a healthy, vibrant lawn. Here’s a comprehensive guide on how and when to mow your lawn during the summer months.

1. Timing Your Mowing

Mowing at the right time can significantly impact the health of your lawn. Here are some tips on when to mow:

– Morning Mowing: The best time to mow your lawn in summer is during the early morning hours, ideally between 8 a.m. and 10 a.m. This allows the grass to recover before the peak heat of the day.

– Avoid Midday Heat: Mowing during the hottest part of the day can stress the grass and the person doing the mowing. The heat can cause the grass to lose moisture rapidly, leading to brown patches.

– Evening Mowing: Mowing in the late afternoon or early evening is also a good option. However, avoid mowing too late, as evening dew can make the grass blades wet, leading to uneven cuts and potential fungal growth.

2. Mowing Frequency

The frequency of mowing during summer depends on the type of grass and its growth rate:

– Cool-Season Grasses: These grasses, such as Kentucky bluegrass and fescue, typically grow more slowly in the summer. Mow cool-season lawns every 1-2 weeks, depending on growth.

– Warm-Season Grasses: Grasses like Bermuda and Zoysia thrive in the heat and may require mowing every 5-7 days. 

Always follow the one-third rule: never remove more than one-third of the grass blade length at a time to prevent stress and promote healthy growth.

3. Adjusting Mower Height

Proper mower height is crucial for maintaining lawn health during summer:

– Raise the Mower Blade: Set your mower to the highest or second-highest setting. Taller grass helps shade the soil, retaining moisture and reducing the likelihood of weeds.

– Ideal Heights:

  – Cool-Season Grasses: 3-4 inches

  – Warm-Season Grasses: 2-3 inches

Maintaining the right height ensures that the grass has a strong root system and is better able to withstand the summer heat.

4. Mowing Technique

How you mow your lawn can also affect its health:

– Sharp Blades: Ensure your mower blades are sharp. Dull blades tear the grass, causing stress and making it more susceptible to disease.

– Vary Your Mowing Pattern: Change your mowing pattern each time you mow to prevent soil compaction and encourage even growth.

– Leave Clippings: Mulch your grass clippings and leave them on the lawn. They act as a natural fertilizer, returning nutrients and moisture to the soil.

5. Watering Tips

Proper watering is essential during the summer months:

– Deep and Infrequent Watering: Water your lawn deeply (about 1 inch per week) rather than frequent shallow watering. This encourages deep root growth and makes your lawn more drought-resistant.

– Morning Watering: Water your lawn early in the morning to minimize evaporation and allow the grass to dry before evening, reducing the risk of fungal diseases.

Additional Summer Lawn Care Tips

– Fertilizing: Be cautious with fertilizing in the heat of summer. Over-fertilizing can burn your lawn. Use a slow-release fertilizer if necessary and follow the recommended guidelines.

– Weed Control: Address weeds promptly, as they compete with your grass for water and nutrients. Consider using an organic or selective herbicide to keep weeds at bay.

– Aeration: If your soil is compacted, aerate your lawn to improve water and nutrient absorption. This is particularly beneficial for heavy foot traffic areas.


Mowing your lawn correctly during the summer is essential for maintaining its health and appearance. By mowing at the right times, adjusting your mower height, following proper mowing techniques, and ensuring adequate watering, you can keep your lawn lush and green even during the hottest months. Remember, a well-maintained lawn not only enhances the beauty of your home but also provides a welcoming space for outdoor activities and relaxation. Follow these tips from Premier Tire & Auto Service to enjoy a vibrant, healthy lawn all summer long.