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With a hot summer and low rainfall, even the hardiest lawns have struggled to stay green. Right now, my own fried patch resembles more of a sandy beach than a luscious cascade of green.Although I’m considering digging up some of my lawn and replacing it with a dry gravel garden, all is not lost. If you take this one action in August, you could be enjoying a green lawn in time for fall.Don't give up — your lawn will surviveWhen I walk on my lawn right now, I feel sand between my toes and hear a crackle as the brittle blades snap. I’ve never known a year when my lawn has suffered so much.However, by following this one lawncare step, you’ll be surprised how quickly your lawn can be transformed from an unattractive patch to a lush expanse of green.But right now, you may also be questioning whether your brown, yellowing lawn will bounce back when it seems there’s no chance of survival. Jonathan Davis, grass expert at Lawnsmith, says don’t give up hope. “Most brown lawns are in fact dormant, and haven’t completely died back yet.“When moisture is low, grass focuses its energy on protecting its root system, the beating heart of the lawn, so this is why color drains from the visible sward above the soil.”And he explains that the lawn will begin to flourish once it receives adequate hydration. However, because the soil is parched, intervention helps to ensure water reaches the roots. If not, water will pool on your lawn and won’t be absorbed into the soil.Get instant access to breaking news, the hottest reviews, great deals and helpful tips.That’s where this lawn hack comes in; it helps your lawn absorb the essentials to bring it back to full healthStart by aerating your lawn