We know lawns.

If new sod is failing, the install is almost always to blame — not the sod itself. Air gaps between pieces, uneven subgrades, no pre-install weed kill, sod laid right on top of whatever was already there. Each one of those is enough to set the whole job up to fail.

No amount of fertilizer fixes a bad foundation. Diagnose the install, and you’ll usually find what went wrong.

In South Florida, that interveinal yellowing is almost always pH, not nitrogen. Our soils run alkaline, which chemically locks iron, manganese, and zinc out of the plant. The nutrients are right there in the soil — the grass just can’t get to them. Sandy soil makes it worse, flushing whatever you apply through the root zone before it can do anything.

The fix: test the soil, correct the pH, build organic matter. Then fertilizer actually works.

Less often than you’d think, and deeper when you do. Daily watering keeps roots shallow, which is exactly what fungal disease wants. Afternoon watering leaves turf wet overnight and invites large patch. Drought-stressed turf attracts chinch bugs.

The right schedule depends on your turf, soil, and irrigation setup — one of the first things we check on a walk-through.

Mowing is one of the most underrated lawn killers down here. Cutting St. Augustine too short, even once, removes the tissue it needs to recover. Scalping invites weeds. Mowing wet drags fungal spores across the entire yard in one pass. Dull blades tear instead of cut, leaving open wounds for disease.

If you hire out mowing, ask what height they cut at and how often they sharpen blades. If they don’t know, you have your answer.

The right variety, installed perfectly, will still fail if site conditions don’t fit. Celebration Bermuda thins out in real shade. Floratam breaks down in high traffic. Empire Zoysia rots at the crown in poorly drained soil. A shade-tolerant variety bleaches out in full sun.

Matching grass to sun, traffic, and drainage matters more than almost anything else — and it’s the first thing we check.

That’s exactly what the walk-through tells us. If the foundation is sound — workable soil, the right grass for the site, decent drainage — treatment usually gets you there. If the install was bad, the variety doesn’t fit, or damage has gone too far, treatment alone won’t catch up.

We’ll tell you straight which camp you’re in. Sometimes the answer is “leave it alone for six weeks and we’ll re-check.” That’s a perfectly valid answer, and we’d rather give it than sell you something you don’t need.