The last weeks of summer are an ideal time to take preemptive measures against common lawn pests and diseases that August's heat and humidity can bring.
Perhaps the most important key to a healthy lawn in August is adequate watering. Applying up to 1 inch of water per week, including rainfall, is a decent rule of thumb.
Aerate your lawn in August to let in adequate water, air, and nutrients, and break up any compaction, which makes it harder for roots to breathe and absorb nutrients.
It is not advised to fertilize during high temps as it can burn your lawn. Regular fertilizing during the year should create enough stored nutrients to help it through the summer.
Overseeding fills in bare spots, prevents erosion, increases resistance to diseases and pests, enhances its color and texture, and helps your lawn withstand drought conditions.