09/06/2026
Here are some helpful summer lawn care tips for cool-season grasses such as Kentucky bluegrass, perennial ryegrass, and fine fescue:
☀️ Water Deeply and Infrequently
* Aim for 1–1.5 inches of water per week, including rainfall.
* Water early in the morning (between 5 a.m. and 9 a.m.) to reduce evaporation and disease risk.
* Deep watering encourages stronger root growth and improves drought tolerance.
🌱 Raise Your Mowing Height
* Keep your mower set higher during summer.
* Most cool-season grasses perform best at 3–4 inches tall in hot weather.
* Taller grass shades the soil, conserves moisture, and helps prevent weeds.
✂️ Follow the One-Third Rule
* Never remove more than one-third of the grass blade at a single mowing.
* Cutting too much at once can stress the lawn during summer heat.
🌿 Leave Grass Clippings
* Mulch clippings back into the lawn whenever possible.
* They return valuable nutrients and organic matter to the soil.
🚫 Avoid Heavy Fertilizing
* Cool-season grasses naturally slow down during summer heat.
* Heavy fertilization can stress the lawn and increase the risk of disease.
* Save major fertilizer applications for early fall when the grass is actively growing again.
👀 Watch for Lawn Stress
Signs of drought stress include:
* Bluish-gray color
* Footprints remaining visible after walking
* Wilted or folded grass blades
If you notice these signs, water promptly to prevent dormancy.
🌾 Control Weeds Carefully
* Hand-pull weeds when possible.
* Avoid applying herbicides during extreme heat, as they can damage stressed turf.
🐛 Monitor for Pests and Disease
* Check for brown patches, thinning turf, or insect activity.
* Early detection makes treatment more effective and less expensive.
🍂 Plan for Fall Recovery
Summer is about maintaining lawn health, while fall is the best time for:
* Aeration
* Overseeding
* Fertilization
* Major lawn repairs
A healthy cool-season lawn may not look its absolute best during the hottest weeks of summer, but proper mowing and watering will help it stay healthy and bounce back strongly in the fall. 🌱
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