"With slow-release fertilizers, you can feed your lawn every six to eight weeks, depending on your watering schedule, instead of every four weeks," Turnbull says. Use controlled-release nitrogen fertilizers in May and September and a … April: Springtime is go-time when it comes to fertilizing. Take this time to clean up the yard and check your tools. Early fall (September 1-15) is a key time for fertilizing lawns in northern Illinois.

To help you out, we created a season-by-season lawn fertilizing schedule for you to follow so you can have the healthiest lawn yet.

The schedule below outlines when to apply based on how many applications are to be made annually and desired lawn quality. Planning your lawn fertilizing schedule early will put you ahead of the game. For a low maintenance approach to fertilizing your lawn, you can apply fertilizer as infrequently as once a year. Fertilizing is one of the most basic and important lawn care activities. It may be hard to imagine now, but in a few months the temperature will rise and the snow will melt away. It depends on many factors to create a specific fertilizing schedule, and each lawn has its own because the condition, needs and requirements of them are different. Wait until the soil warms up to 55 degrees Fahrenheit. Winter. Once the snow is gone, it will be lawn care season and time to start fertilizing and treating your yard. During the coldest months, you have a break from fertilizing. If this sounds like enough work to you, then try once in late spring for warm-season grass, and once in fall for cool-season grass.

Spring.