Our dethatching lawn service costs vary depending on the size and condition of your lawn. With our free lawn assessments, we’ll come and take a look at what you’re working with and provide a quote at no cost or obligation to you.
Lawn dethatching is the process of removing the dense layer of dead vegetative material (thatch) from your lawn. Thatch is a mat-like layer of organic materials, such as dead grass, dead leaf material, rhizomes, mulched leaves, and other debris that has not yet decomposed. When the layer of organic thatch becomes too thick and impenetrable, it can prevent water, air, nutrients and fertiliser from reaching the soil and the grass roots, as the grass roots knit into the latch layer instead of the soil. This can lead to poor lawn health, increased risk of pests and diseases, reduced drought tolerance, and uneven growth. We offer lawn dethatching as part of our comprehensive lawn care services to improve your lawn’s appearance, health and performance by allowing the soil and the lawn grass to breathe and absorb what they need.
We use our expertise and experience to assess if your lawn needs dethatching. We check the thickness of the thatch layer by feeling it with our feet or hands, or by cutting out a small wedge of turf and measuring it. If the thatch layer is more than 1.5 cm thick, we recommend dethatching your lawn. We also look for signs of thatch buildup, such as patches of brown, yellow or bare spots, or dull, matted or uneven grass.
The best time for lawn dethatching depends on the type of grass you have. Dethatching buffalo lawn, couch lawns (couch grass), zoysia and kikuyu, which are all warm season grasses, is best done from late October to early December, but in Brisbane we can start dethatching from August all the way to march, depending on grass and location, when the grass is actively growing and can recover quickly from the stress of dethatching. For cool season grasses such as fescue and ryegrass, we do not dethatch as it can damage or kill the grass. Instead, we use a light raking or aerating to remove some of the thatch without harming the grass.
Greenest Lawn Co uses different methods and equipment to dethatch your lawn, depending on its size and condition. The most common methods are:
Mowing low: We use our professional lawn mower to cut your lawn to half its normal height or lower. This helps to remove some of the thatch layer along with the grass clippings. We may mow your lawn a couple of times over a few weeks to gradually reduce the thatch layer without stressing your lawn too much.
Using a dethatching rake: We use a manual or power rake with sharp tines to comb through your lawn and pull out the thatch. This method is suitable for small to medium-sized lawns with moderate thatch buildup. We may rake several times in different directions to remove dead leaf material, dead grass and other unwanted debris.
Using a specialised dethatching machine (also known as a lawn scarifier or lawn dethatcher): There’s no need to purchase specialised dethatching machines yourself. Our expert team uses specialist machinery that cuts through the thatch layer with blades or wires and lifts it up. This method is suitable for large lawns with thick thatch buildup. We adjust the cutting depth according to your grass type and the manufacturer’s specifications.
After dethatching your lawn, we rake up and dispose of all the loosened debris. We also water, fertilise and overseed your lawn, if needed, to help it recover from the stress of dethatching.