NCL Solutions

Bermuda Lawn Brown Spot Care

Cause #3 Fungal Diseases
Brown Patch appears as sunken, circular patches of dead, tan grass, from a few inches to several feet wide, sometimes with a “smoke ring” of darker, wilted grass at the edges.

Dollar Spot creates small, silver-dollar-sized tan spots (2 to 6 inches wide) that may merge. It often shows bleached, hourglass-shaped lesions on individual grass blades with brownish-purple borders.

Leaf Spot initially manifests as small, brown or black spots on leaves, expanding into lesions with tan centers and dark borders. It can progress to “melting out,” rotting sheaths, crowns, rhizomes, or stolons, leading to wilting and browning.

Spring Dead Spot causes circular patches (6 inches to several feet wide) of bleached, dead grass that fail to green up in spring. It often recurs in the same locations, expanding annually, with affected roots, rhizomes, and stolons appearing dark and rotted.

Solution #3 Fungal Diseases
Fungicides can provide direct control, but improving cultural conditions is crucial for long-term management. This includes proper watering to reduce leaf wetness, avoiding excessive nitrogen fertilization, and managing thatch buildup, as these factors contribute to disease. Aeration can also improve air circulation and reduce soil compaction. For severely damaged areas, reseeding or sodding small patches can help the lawn recover.

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Bermuda Lawn Brown Spot Care.

Cause #2 Pest Infestations
White grubs, beetle larvae, feed on grass roots, causing irregular brown patches that are easily pulled up.

Chinch bugs cause irregular patches of yellowing or wilted grass, especially in sunny areas. Their presence can be confirmed by floating them to the surface.

Armyworms, destructive caterpillars, feed on grass blades, leaving chewed or notched appearances, sometimes with a “windowpane” effect. They can decimate large areas quickly.

Solution #2 Pests
For grubs, apply appropriate insecticides in late summer or early fall to disrupt their life cycle. Chinch bugs and armyworms may require specific insecticide applications, often best performed in early morning or late evening when pests are most active. Maintaining proper mowing height can also deter some insect infestations.