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Everything you need to know about lawn care

A few mowing tips to keep your lawn healthy and pretty.

Mowing the lawn may be a mundane task but it is essential to achieving a well-kept appearance.

Lee Reich/AP

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Mowing the lawn is at once the most mundane and the most unique form of pruning. Everyone does it, yet what other kind of pruning calls for cutting off only part of a leaf blade — and thousands at a time? The reason grasses tolerate such pruning is because the growing point of a grass plant is nestled down near ground level, below the reach of mower blades. Just the same, mowing, like any other form of pruning, weakens a plant. So you have to strike a balance between what looks nice and what keeps the plants healthy.

How often and how much?

As a rule, mow frequently enough to remove no more than one-third of the length of the grass blades. For example, if you want your lawn 2 inches high, mow an inch off when the leaves reach 3 inches.

Keep in mind that uniformity of cut rather than closeness of cut plays a large part in making an elegant lawn. Longer grass also needs less frequent mowing than short grass, and creates shade that starves out weeds such as crabgrass.

The optimum mowing height varies with the grass species and growing conditions. Stress such as shade or drought calls for longer grass. Also, newly seeded lawns need to grow a little longer than established lawns.

Cut it right

Ideally, all grass blades are dry and standing up like soldiers when you go out to mow. By mowing down to the recommended length and not removing more than a third of the blades, the grass will not be so long that it is flopping over under its own weight.

One advantage of a rotary mower over a reel mower is that the rotary mower's cutting blade acts like a propeller to suck the grass blades upright. If you mow frequently enough, no need to rake up the clippings; left on the soil, they add valuable nutrients and humus.


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