Lawn: make it moss‑free

The April lawn advice making the rounds is less about miracle feeds and more about how you cut and clear. Monty Don’s spring fix is scarifying to pull out moss and dead thatch, while Country Living’s mowing advice is to leave the grass a little taller than usual. (mirror.co.uk) (countryliving.com) Scarifying is just rough-combing the lawn with a spring-tined rake or machine. It lifts out the brown felt layer called thatch, and it drags up moss that has been sitting between the grass plants. (mirror.co.uk) (rhs.org.uk) Moss usually wins where grass is already struggling. The Royal Horticultural Society says damp soil, shade, poor drainage, compaction, low fertility, and mowing too close all make lawns friendlier to moss than to grass. (rhs.org.uk) That is why raking moss out is only half the job. If the lawn stays wet, shaded, starved, or scalped, the moss often comes back into the same bare patches it came from. (rhs.org.uk) The mowing-height part sounds small, but it changes how the lawn grows. Country Living’s guide says a slightly higher cut leaves more leaf blade behind, and that extra green surface helps the plant photosynthesize and thicken up instead of sitting thin and stressed. (countryliving.com) A taller lawn also shades its own soil like a light sun umbrella. That slows moisture loss, keeps roots cooler in hot spells, and makes it harder for weed seeds to get the light they need. (countryliving.com) (rhs.org.uk) The Royal Horticultural Society gives the same spring signal in plainer terms: start regular mowing when growth resumes, but do not scalp the grass. Their mowing guide says most home lawns are kept around 2.5 centimeters to 4 centimeters, with longer grass left higher for resilience and wildlife value. (rhs.org.uk 1) (rhs.org.uk 2) There is one catch in Monty Don’s moss-free promise. The Royal Horticultural Society says the strongest time for full scarifying is usually autumn, especially October or early November, when grass is growing strongly enough to recover fast, so a light spring rake is safer than tearing an April lawn to pieces. (rhs.org.uk) So the practical version is simple: rake out moss and thatch, raise the mower a notch, and let the grass rebuild density before summer. If the lawn is mostly shade and stays wet for weeks, the Royal Horticultural Society’s blunt advice is that moss may be the plant that actually suits the site better. (mirror.co.uk) (rhs.org.uk)