Lawn Care: The Few Things That Actually Make a Difference

Lawn care is sold as a year-round programme of products. In practice a small number of habits do most of the work, and the most important one is free.

Mowing height matters more than anything you buy

Cutting too short is the most common cause of a poor lawn. Short grass has short roots, dries out faster, and leaves gaps that weeds fill. Raising the cutting height is the single most effective change most people can make.

• Never remove more than about a third of the blade height in one cut. If the grass got long, cut it in stages over a week.
• Mow more often in growing season, less in heat and drought. Let it grow longer through dry spells.
• Keep the blade sharp. A blunt blade tears rather than cuts, leaving ragged tips that brown off and invite disease.
• Vary the direction between cuts so the grass does not learn to lie one way.
• Leave the clippings when they are short. They return nutrients and moisture. Remove them when the cut was long or the lawn is diseased.

Water deeply, rarely

Frequent light watering trains roots to stay at the surface, which makes the lawn less drought-tolerant, not more. Water thoroughly and infrequently, early in the day so the surface dries before night.

An established lawn going brown in a dry spell is usually dormant rather than dead, and greens up when rain returns. Watering it through a drought is often a lot of water for a cosmetic result.

Compaction is the hidden problem

Lawns that stay patchy, waterlogged or mossy despite feeding are usually compacted. Air and water cannot get to the roots.

The fix is aeration — spiking or hollow-tining, ideally in autumn — followed by brushing in a top dressing. It is physical work rather than a purchase, and it does more than a season of feed on a compacted lawn.

Moss is a symptom, not a cause. It grows where grass is struggling: shade, damp, compaction, or grass cut too short. Killing the moss without fixing the cause means it returns.

Feeding, briefly

Lawn feeds are formulated by season for a reason: spring and summer feeds push leaf growth, autumn feeds favour roots and hardiness. Using a spring feed late in the year produces soft growth that suffers in cold.

Apply at the stated rate — over-application scorches the lawn in stripes that last months. A spreader gives far more even coverage than doing it by hand, and evenness is what makes the difference visually.

Weeds and patches

A thick lawn suppresses weeds by leaving no room. Overseeding thin areas in autumn does more long-term than weedkiller. For individual deep-rooted weeds, removing them with a hand tool works and takes less time than people expect.

Before you order

Check the feed is the right one for the season you are in. Check the coverage area on the bag against your actual lawn size, measured rather than guessed. Check whether a spreader is needed for even application. And before buying anything for moss or patchiness, consider whether aeration and a higher cutting height would fix it for free.