Diagnosing Yellow Grass Patches Yellow grass patches occur when turf lacks chlorophyll, often due to iron chlorosis, nitrogen deficiency, or improper soil pH preventing nutrient uptake. To fix this, you must determine if the issue is a lack of iron in the soil or a chemical lockout caused by high alkalinity. I recently saw the … Read more
The Science of Turf Recycling: Why We Stop Bagging Grass Clippings During the Summer Heat I recently walked onto a job site in late July where the lawn looked like a scorched desert. The homeowner, in a misguided attempt at a tidy yard cleanup, had been bagging every single grass clipping while simultaneously applying a … Read more
Applying 2026 Grub Control: Why Soil Temp Matters You walk out to your front lawn in late spring and notice a patch of turf that looks slightly off-color. You give it a tug, and the entire section lifts up like a piece of cheap, unglued carpet. Underneath, the soil is crawling with C-shaped, cream-colored larvae … Read more
How can you tell if armyworms are in your grass? Identifying armyworms requires looking for asymmetrical chewing on grass blades and a sudden thinning of the canopy. These pests are often preceded by small tan moths fluttering over the grass at dusk, signaling the egg-laying phase that leads to a massive larval outbreak within weeks. … Read more
The Forensic Autopsy of a Scorched Lawn I walked onto a property last July that looked like a localized wildfire had swept through the turf. The homeowner was standing there holding a bottle of big-box store neem oil, looking devastated. They had spotted a few patches of Rhodesgrass scale and, following some half-baked advice from … Read more
The Forensic Diagnosis of Canine-Induced Nitrogen Scald Dog urine spots are caused by highly concentrated nitrogen and salts that create a localized drought condition known as physiological wilt. Fixing these spots with gypsum pellets involves using calcium to displace sodium ions, improving soil permeability and allowing the excess salts to leach below the root zone. … Read more
Identifying the 2026 Lawn Rust Epidemic To stop 2026 lawn rust, you must identify Puccinia fungus early by the characteristic orange spores on grass blades and treat the soil with potassium bicarbonate or neem oil. Successful remediation requires correcting nitrogen deficiencies and managing leaf wetness duration through precise irrigation timing. You walk across your yard … Read more
The Forensic Autopsy: Identifying the Straw-Colored Death in Your Turf Dollar spot, caused by the fungal pathogen Clarireedia jacksonii, manifests as small, silver-dollar-sized circles of straw-colored turf that can quickly coalesce into large, necrotic masses if the nitrogen-deficient soil is not remediated immediately. This pathogen thrives when nitrogen levels hit a seasonal low and leaf … Read more
The Forensic Autopsy of a Pale Yard The grass looks like it is starving, but your fertilizer spreader is still warm from use. You see that sickly, pale-yellow hue creeping across the turf while the veins of the grass blades remain a mocking, deep green. This is not a nitrogen problem. This is iron chlorosis, … Read more
Applying 2026 Lime to Shady Lawns: The Soil pH Hack The visual evidence of a failing shady lawn is unmistakable: a thin, sickly yellowish-green carpet that feels more like wet sponge than turf. Most homeowners see this and immediately dump a bag of high-nitrogen fertilizer on it. This is a fatal error. If your soil … Read more
