Service · Disease Control

Lawn Fungus & Brown Patch Control in Franklin, TN

Brown patch is close to a certainty on tall fescue in Franklin: July and August nights hold above 70°F and heavy dew keeps turf wet 10–12 hours a day — ideal conditions for Rhizoctonia. The fix is preventive fungicide in late June, repeated on a 28-day cycle. By the time you can see damage, you are paying for a rescue.

The late-June line

Fungicide works two ways: preventive (cheap, effective, invisible) or curative (expensive, partial, after the damage). The professional window in Franklin is late June, before nighttime temperatures hold above 70°F. Propiconazole or azoxystrobin, rotated to prevent resistance, on roughly a 28-day interval through the humid window — because Middle Tennessee dew keeps leaf blades wet half of every day.

What we treat in Franklin

  • Brown patch (Rhizoctonia) — irregular circles on fescue, mid-July onward. The big one.
  • Dollar spot — small bleached patches, low-nitrogen lawns
  • Pythium blight — fast-moving in hot, wet weather; can kill overnight in bad years
  • Gray leaf spot — late-summer, hits stressed fescue and rye

Free disease prevention you can do today: water in the morning, never at night — evening water extends the overnight leaf wetness that fungus needs. Mow fescue at 3.5–4 inches on a sharp blade. Those two habits prevent more disease than any product.

Lawn disease FAQs

Brown patch fungus. Franklin’s July–August nighttime temperatures stay above 70°F, and dew keeps turf wet 10–12 hours a day — ideal for Rhizoctonia on tall fescue. In the Nashville Basin it is nearly inevitable without preventive treatment.

Late June, before night temperatures consistently exceed 70°F, then on roughly a 28-day cycle through August. Preventive beats curative on both cost and results — a visible outbreak means the cheap window already closed.

Brown patch makes irregular circular patches while the rest stays green; drought browns the lawn evenly and your footprints stay visible when you walk across it. Grubs are the third look-alike: grub-damaged turf pulls up like loose carpet.

It can thin fescue badly in a severe year, but the crowns often survive. The recovery plan is September aeration and overseeding into the damaged areas — another reason the fall visit is the most important of the year.

It makes it worse, especially evening watering, which extends leaf wetness. Water deeply, early morning only, and let us confirm what you are actually fighting before anything else goes down.

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Call, or text a photo of the problem — we will tell you what it is even if you never hire us.

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