· 4 min read
The honest answer is: as often as the grass needs it. That varies through the year, and cutting to a calendar rather than to growth is how lawns get damaged.
Follow the one-third rule
Never remove more than about a third of the leaf blade in one cut. Taking more shocks the plant, exposes the soil and leaves the lawn pale and slow to recover.
In practice that means cutting more often during strong growth, not cutting shorter to buy time.
Expect the interval to change with the season
During the rains, growth is fast and many lawns need cutting every one to two weeks. In dry months growth slows and the interval stretches out considerably.
- · Rainy season: roughly every one to two weeks
- · Dry season: less frequent, and raise the cutting height
- · After a long gap: cut in stages over several visits rather than scalping
Do not cut too short
A slightly longer leaf shades the soil, keeps moisture in and crowds out weeds. Very short cutting does the opposite and is the most common cause of thin, patchy lawns.
Recovering an overgrown lawn
If a lawn has been left for a long time, resist the urge to bring it down to normal height in one pass. Cut the top off, let it recover for a week or so, then cut again. Two or three passes will get it back without stressing the grass.
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