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Why Is My Lawn Yellow? Discover Effective Solutions to Restore It

Update Understanding the Causes of a Yellowing Lawn If you've recently noticed your once-vibrant lawn isn’t as green as it used to be, rest assured you’re not alone. Homeowners across Ottawa are observing the same trend, particularly during the summer of 2025. A mix of unusual weather, insect activity, and typical maintenance mistakes are causing lawns to turn yellow or brown. Before panicking over your turf's appearance, let's delve into the primary reasons for this discoloration and what effective actions can be taken. The Drought Dilemma: Battling Hot and Dry Conditions One of the pressing reasons for a yellow lawn this summer is severe drought stress, driven by an unusual lack of rain. Typically, lawns require about 25.4mm (1 inch) of water each week. In a comparative analysis, between April and July 2025, Ottawa received only 271mm of rainfall—33% less than the amount needed for optimal grass health. When lawns do not receive enough water, you might notice the following signs: Gradually yellowing grass Slow to stalled growth A crunchy texture underfoot Delayed recovery after rainfall To mitigate these issues, consider implementing these watering tips: Water deeply and infrequently, aiming for an inch a week. Generally water in the early mornings when temperatures are cooler. Allow dormant grass to rest by limiting foot traffic. Come fall, apply liquid aeration and overseed to revitalize the turf. Beware of Chinch Bugs: Tiny Pests with a Big Effect Alongside drought, chinch bugs have emerged as significant threats to lawn health in 2025. These small pests thrive in hot, dry conditions and feed by piercing grass blades, draining moisture, and impeding water movement within the plants. This stress can fool homeowners into thinking their grass is suffering from drought, however, the battle is threefold. Areas particularly vulnerable include Kentucky bluegrass, especially when conditions are already taxing. Identifying chinch bug damage can manifest as: Irregular patches of yellow or brown grass, especially in sunny spots. Initial damage often seen near sidewalks and driveways. Visible bugs at the grass base upon close inspection. To effectively combat chinch bugs, you can: Apply BioTitan, targeting chinch bug populations. Replenish affected areas through fall seeding services. Ensure regular lawn maintenance to build inherent resistance. Mowing Techniques: Timing is Crucial Mowing may seem like a mundane aspect of lawn care, yet improper techniques can exacerbate stress conditions, particularly during periods of extreme weather. When it's particularly hot or dry, mowing can harm stressed grass blades and hinder recovery. What many homeowners might not realize is that cutting grass too short can leave it more susceptible to further environmental stressors, leading to more yellowing. To ensure your grass remains healthy during the peak summer months, consider these mowing strategies: Mow at a higher setting to prevent scalp damage. Skip mowing during heatwaves to give the grass a chance to recover. Sharpen lawnmower blades regularly for clean cuts that reduce stress. Actionable Insights for Better Lawn Care Understanding these foundational elements of lawn care can empower homeowners to take proactive steps as part of seasonal yard and property care. Before the onset of winter, take time during the fall to prepare your lawn for the months ahead, including aeration and careful fertilizing to promote growth when the climate warms again. Given the challenges posed by climate variability, it’s vital to stay ahead of the weather and adapt your lawn care routines accordingly. Combining watering strategies, pest control measures, and mowing techniques forms a comprehensive approach to maintaining your lawn’s health. Conclusion: Stay Proactive and Vigilant Yellowing grass is often a sign that your lawn needs more attention than usual. Equip yourself with the right knowledge and tools to address these issues head-on. By implementing effective watering techniques, staying vigilant against pests like chinch bugs, and practicing careful mowing, you can ensure your lawn remains an inviting and beautiful space for family gatherings, outdoor relaxation, and curb appeal. For those keen on creating an aesthetically pleasing outdoor property, now is the time to prepare for upcoming seasonal care. Start adopting these practices today and nurture your lawn back to its lush, green glory!