When sod is first installed, it can honestly look rough, sometimes way worse than expected. The grass may appear yellow, flat, or even patchy, which makes a lot of people think something went wrong. In most cases, this is just transplant shock. The sod was cut from its original soil, rolled up, transported, and laid somewhere new, so it’s under stress. That stress shows on the surface... https://texassodanddrainage.com/does-sod-look-dead-at-first/