Summer in Southwestern Pennsylvania brings beautiful, long days—but it also brings unique challenges for our lawns. Between the heatwaves and the occasional dry spell, keeping your grass green and resilient can feel like a full-time job.
At Venetia Landscape Supply, we get a lot of questions about summer fertilization. Here is the local expert perspective on how to keep your lawn healthy during the dog days of summer.
The “Cool-Season” Reality
Most lawns in our region are composed of cool-season grasses (like Kentucky Bluegrass, Fescues, and Ryegrass). These grasses thrive in the milder temperatures of spring and fall. When the thermometer climbs in July and August, these grasses naturally slow down or even enter a semi-dormant state to protect themselves from heat and drought.
The Golden Rule for Summer: Be cautious with heavy fertilization during peak summer heat. Because cool-season grass isn’t actively growing as fast, aggressive high-nitrogen feeding can actually stress the lawn, forcing it to grow when it should be resting.
Summer Maintenance Tips for SW PA Lawns
If you want to keep your lawn looking great without causing stress, follow these practices:
- Go Slow & Steady: If you choose to fertilize in early summer, use a slow-release nitrogen formula. This provides a gentle, consistent feeding that won’t “burn” your lawn like quick-release options.
- Mow High: This is the easiest thing you can do for your lawn’s health! Set your mower to a higher setting (3 to 4 inches). Taller grass blades shade the soil, keeping it cooler and helping to retain moisture. Plus, it shades out weed seeds, preventing them from germinating.
- Water Deeply, Not Often: Instead of a daily light sprinkle, aim for deep watering early in the morning (between 6:00 AM and 10:00 AM). You want to encourage roots to grow deep into the soil to find moisture, rather than staying shallow.
- Watch for Pests: Summer is prime time for grub activity in our area. Keep an eye out for thinning patches that pull up easily, and ask us about preventative treatments if you’ve had issues in the past.
When to “Feed” for Real Impact
In our region, the most critical time to fertilize for long-term health is actually early fall (around Labor Day). As temperatures drop and moisture returns, cool-season grasses enter their “second wind.” A high-quality fertilizer application in September provides the nutrients your lawn needs to recover from summer stress and store energy for a thick, healthy green-up next spring.
We’re Here to Help
Not sure if your lawn needs a mid-summer boost or if you should wait until fall? Bring us a description of your lawn or any specific problems you’re seeing. At Venetia Landscape Supply, we carry the professional-grade supplies—and the local expertise—to help you make the right choice for your yard.
Stop by today, and let’s get your lawn ready for the season!
Pro-Tip for Pennsylvania Lawns: Always check your product labels and follow state guidelines regarding nitrogen application limits. If you’re unsure, a simple soil test (available through Penn State Extension) is the best way to know exactly what your soil needs.