The fifth and final application of fertilizer for the year is applied in the fall, and its primary purpose is to prepare your lawn for the harsh winter weather ahead.
This fertilizer helps to strengthen the root system of your grass, so that it is better able to withstand freezing temperatures and snow cover. By applying this fertilizer, you can help to ensure that your lawn emerges healthy and green in the spring, ready to thrive throughout the growing season.
This application is especially important in areas with harsh winters, such as Minnesota, where the freezing temperatures and snow cover can be damaging to the grass. By taking the time to properly winterize your lawn with the right fertilizer, you can help to ensure that it stays healthy and vibrant for years to come.