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If you apply too much fertilizer to your grass, it can take about three weeks to recover. If you still have dead patches after three weeks, it might be time to remove the dead grass and overseed the affected area. Since overfertilizing can also cause problems with fungus, leading to further damage to the grass, monitor your grass color and growth for one month after over fertilizing.

If the grass is dead, you cannot bring it back to life. However, you can grow new grass in its place or try the methods mentioned above to revive the grass if it isn’t entirely dead. You can expect St. Augustine grass to come back after moderate droughts, but it will suffer significant nutrient loss after an extended period of drought.

Sulfur is a secondary nutrient that helps grass grow lush and green. It combines  primary nutrients including nitrogen, phosphorus, and potassium. Sulfur helps the grass absorb nutrients to create a lush, green appearance. While sulfur isn’t necessary for every lawn, it can help most lawns be stronger and greener.

Clover lawns stand up better against dog and cat urine than traditional turfgrass. If your pets love to hang out on the lawn on a sunny day—or if you find yourself with a lot of visiting neighborhood dogs—you could save yourself from yellow and brown patches by making the switch to a clover lawn.