Expert warning on when to water your lawn during heatwave - and it isn't at night

Shot of a woman watering plants with a garden hose in backyard
-Credit: (Image: (Image: Getty))


As the UK prepares for a scorching heatwave, with temperatures set to skyrocket, lawn care experts are providing vital tips on how to maintain your grass in a lush and healthy state. A crucial factor that could impact the well-being of your lawn is setting up an appropriate watering routine during hot spells.

Grass People's specialists suggest that watering your lawn early in the morning before sunrise and late in the evening after sunset is the optimal strategy to ensure your grass stays hydrated.

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This schedule aids in reducing water evaporation, guaranteeing that more water reaches the roots where it's most required. Contrary to some widespread misconceptions, watering your lawn at night can be harmful, reports the Express.

While it may appear sensible to water when temperatures fall, the prolonged dampness overnight can foster fungal growth and disease, which can damage your grass. They advised: "Aim to water your lawn early in the morning before the sun is out and late at night when the sun is down to avoid all your efforts being wasted."

"Alternatively, you can purchase an oscillating timed sprinkler that should help keep your lawn hydrated throughout the day especially if you're back in the office!" Moreover, high temperatures put your lawn under stress, and heavy foot traffic can exacerbate the issue.

During a heatwave, try to limit lawn traffic as much as possible. Choose to sunbathe or relax on a deck instead of frequently walking on the grass.

Excessive use can lead to soil compaction, which in turn can cause moss and thatch growth, waterlogging, and hindered grass growth. If this becomes a problem, aerating your lawn can help alleviate the issue.