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When To Dethatch A Lawn

Dethatch the Lawn For northern grass the best time to dethatch your entire lawn is in late summer to early fall when the grass is actively growing. For southern grasses, dethatch in late spring. In early spring, and for small areas, use a thatching rake, which is a sharp-tined rake that rips the thatch out of the lawn.

Is dethatching a lawn necessary?

Thatch builds up over time, so it’s not necessary to dethatch every year. Plan on dethatching every five years or so if your lawn needs it. You might want to give your lawn a quick check every year just to see how much thatch has accumulated.

Can dethatching hurt lawn?

Dethatching your lawn too early can hurt your lawn, as it may damage new crowns and cause additional stress when temperatures begin to rise.

Should I aerate or dethatch first?

Excess thatch blocks out air, light and water from reaching root zones. Dethatching and aeration services go hand in hand. Dethatch first, then aerate.

How often should you dethatch your yard?

Almost every lawn needs dethatching about once a year, or whenever the thatch reaches a thickness of about 1/2 inch. To check, just work your fingers into the grass and note the depth of the thatch layer. Dethatch cool-season grasses in fall, warm-season types in early spring.

Should I mow after dethatching?

After dethatching, rake up the newly exposed thatch. Mowing your lawn will also help to clean things up. Fertilizing at this time is also important. This will help your lawn recover and fill in any bare spots.

What happens if you don’t dethatch?

Many of our clients believe our treatments simply won’t work as well if they don’t first dethatch; that the applied products will not reach the soil. However, upon further investigation, most people are incorrectly calling surface dead leaves and debris thatch, and don’t really know what thatch is at all.

Should you mow before dethatching?

Mow your lawn to half its normal height before you begin dethatching. Use a dethatching rake like you would a regular rake. Dig the tines into the thatch and pull it upward, helping to loosen and remove the buildup. While you rake, you should feel and see the thatch separating from the soil.

What do I do after I dethatch my lawn?

After dethatching, seed the lawn and consider topdressing. If you’ve taken plugs of soil, that soil can be left as a topdressing. But the planty thatch material should be removed. Callahan said the new areas opened by dethatching are a good opportunity to get some fresh seed and new turfgrass into your lawn.

Should you fertilize after dethatching?

Because you fertilize your yard immediately after dethatching, it is best to wait until your yard has “greened” up before applying nitrogen. If you fertilize while your grass is still dormant, you encourage weeds to compete with your grass. Too much nitrogen will exacerbate your thatch problem in the future.

Is it OK to dethatch in the spring?

Why you shouldn’t detach in the spring. Removing excess thatch is necessary, but only do so in the fall. Dethatching can stress turf because the verticutter’s blades slices through the soil. If done too early in the year, the turf may struggle to recover before the demanding summer sun rolls in and dries it.

How do I know if my lawn needs dethatching?

When to Dethatch Your Lawn If your thatch is 1–2 inches or more, you’ve probably already seen signs of poor grass color and weak, thin growth. Once you’ve confirmed your thatch exceeds the healthy mark, the time for dethatching has come.

How much does it cost to dethatch a lawn?

Most homeowners pay between $180 and $250 for dethatching. However, there are lots of services that your lawn care specialist will recommend to get your yard looking its best. Hydroseeding costs $400 to $500 and is a way to increase grass growth.

Should I seed after dethatching?

After dethatching, thatch should be removed and put in the compost pile. If you do not already have a compost pile, then you should seriously consider adding one. After this has been done, high-quality grass seed. This helps the seeds remain moist, and it provides essential nutrients, which enhances germination.

Is power raking the same as dethatching?

A dethatcher is a light-duty tool used to remove thatch that is up to 1/2-inch thick. A power rake is a heavy-duty garden tool primarily used by professional landscapers to lift and remove thatch that exceeds 1/2 inch in thickness.

Is raking the same as dethatching?

Both power raking and dethatching aim at removing excess thatch in the lawn. Power raking is a more aggressive process of removing thatch and dead matter in the lawn while dethatching is a light process that removes just a thin layer of debris that makes fertilizer absorption poor.

How do you get rid of thatch naturally?

Here’s how to get rid of thatch. Dethatch. On a dry day, use a thatch rake or a stiff-tined rake to comb through the grass in a back-and-forth motion applying enough pressure to reach the bottom layer of thatch and slightly penetrate the soil. Collect the Thatch. Aerate and Seed. We Know How to Get Rid of Thatch.