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Some of the most common fungal diseases in North Texas include Brown Patches and Take-All Root Rot, both of which cause circular patches of yellow or brown grass. Gray leaf spots particularly affect St. Augustine grass, typical of Texas, and they can look like little gray spots on turf blades, giving the impression of burnt grass.

It is possible to prevent lawn fungi from appearing with proper lawn maintenance. Avoiding excess water, promoting water absorption, fixing compact soil, improving nutrients, and mowing at an adequate height will help grass grow strong and healthy. A healthy grass develops strength against diseases and pests naturally.

Lawn fungus appears mainly in damp and wet conditions. Fungal growth occurs when there is excess water from overwatering or rain, or when the soil is compact and cannot absorb water properly. Shade, leaving the grass too short, and a lack of fertilizers further contribute to leaving the grass vulnerable to fungi.

Yes. Fungal spores travel through water, wind, foot traffic, and even mower blades. Mowing a lawn with active fungi and then moving to a healthy section can spread the infection. If you suspect a fungal disease, clean your mower after each use and avoid walking through affected areas when the grass is wet.

Most common lawn fungi, like brown patch, dollar spot, and rust, are not toxic to pets or children through casual contact. The bigger risk comes from the fungicides used to treat them. If you apply chemical treatments, keep pets and kids off the lawn until the product has fully dried. Bio-fungicides are a safer alternative if your yard gets heavy foot or paw traffic.

When in doubt, a lawn care professional can recommend treatments that balance effectiveness with safety for your household.