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• Types of Grass, Climate and Conditions • How and When to Water, Fertilize & Aerate • How High to Mow the Grass • When and How Often to Mow • What Mowing Patterns to Use • Proper Mowing Methods • How to Solve Common Mowing Problems HOW TO WATER YOUR LAWN The best method of watering a lawn is to imitate a slow, soaking rain, applying about 1 inch of water. A method of verifying the amount that you have watered, is to place several empty tin cans (low shallow cans work best) in various spots around the lawn, and check the depth of water in the can during the watering process. HOW TO FERTILIZE YOUR LAWN Fertilizing with a slow-release fertilizer provides missing nutrients which help create slow, even growth. While opinions vary on the need for fertilizing, when and how much to fertilize will be more a factor of the condition of the lawn and soil than any routine. Remember that overfertilizing can cause harm, and that most fertilizing should be applied in the spring so that it will release into the lawn through the summer. For more information, check with a local nursery or lawn care specialist, and read and follow the fertilizer manufacturer’s instructions. AERATING YOUR LAWN Consider aerating your lawn in spring. Using an aerator to remove cores of soil from the lawn increases the speed of clipping decomposition and encourages deeper root growth by opening up the soil and permitting greater movement of water, fertilizer and air. TP 600-7000-01-UV-FD LC-1 Lawn Care & Mowing Information HOW HIGH TO Cut less than MOW THE GRASS 1/3 Often cutting height is a matter of personal preference. Typically, you should mow the grass when it is is between three and five inches high.The proper cutting height range for a specific lawn will depend upon several factors, including the type of grass, the amount of rainfall, the prevailing temperature, and the lawn’s overall condition. Cutting the grass too short causes weak, thin grass plants, which are easily damaged by dry periods and pests. Cutting too short is often more damaging than allowing the grass to be slightly higher. Optimal cutting point at less than 1/3 from top of grass blade Cutting down to this area contributes to thatch problems Letting grass grow a bit longer—especially when it is hot and dry—reduces heat build-up, preserves needed moisture and 1/3 protects the grass from heat damage and other problems. However, allowing grass to grow too high can cause thin turf and additional problems. Cutting off too much at one time shocks the plant’s growth system and weakens the grass plants. A good rule of thumb is the 1/3 rule: to cut no more than one third of the grass height, and never more than 1 inch at a time. The amount of grass you are able to cut in one pass is also effected by the type of mowing system you are using (for example, broadcasting with side discharge decks can 1 inch process a much larger volume of grass than mulching does). NOTE: We cover some specific mowing instructions for mulching and broadcasting later in this Lawn Care section. Proper Cutting Height Cut Here On Second Pass Cut Here On First Pass Tall Grass Requires Incremental Cutting For extremely tall grass, set the cutting height at maximum for the first pass, and then reset it to the desired height and mow a second or third time. Don’t cover the grass surface with a heavy layer of clippings. Consider using a grass collection system and starting a compost pile. LC-2 LC-3 Lawn Care & Mowing Information Where possible, make one or two passes around the outside of the area discharging the grass INTOthe lawn to keep the cut grass off fences and walks. WHEN AND HO W OFTEN T O MO W The time of day and condition of the grass greatly affect the results you’ll get when mowing. For the best results, follow these guidelines: l Mow when the grass is between three and five inches high. l Mow with sharp blades. Short clippings of grass one inch or shorter decompose more quickly than longer blades. Sharp mower blades cut grass cleanly and efficiently, preventing frayed edges which harm the grass. l Mow at time of day when the grass is cool and dry. Late afternoon or early evening often provide these ideal mowing conditions. l Avoid mowing after rain or even heavy dew, and never mulch when the grass is wet (moist grass does not mulch well, and clumps beneath the mower deck). WHA T MO WING P A TTERNS T O USE Always start mowing on a smooth, level area. The size and type of area to be mowed will determine the best mowing pattern to use. Obstructions such as trees, fences and buildings, and conditions such as slopes and grades must also be considered. l Cut long straight strips overlapping slightly. l Where possible, change patterns occasionally to eliminate matting, graining or a corrugated appear- ance. l For a truly professional cut, mow across the lawn in one direction, then recut the lawn by mowing perpen- dicular to the previous cut. The remainder of the mowing should be done in the opposite directio...

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