Should you dethatch before overseeding

Both aerating and dethatching are recommended before overseeding because they improve grass-to-soil contact for proper germination. In most cases, you’ll only need to dethatch to remove the debris that is covering the soil and preventing grass seed from germinating properly.

Can you overseed lawn after dethatching?

A dethatcher does the same thing, but with grass seeds in the rest of your lawn. … Then a viable weed control company such as Lush Lawn can make your lawn pristine once again. Overseeding. After dethatching, thatch should be removed and put in the compost pile.

How do I prepare my lawn for overseeding?

Before overseeding your thin lawn, cut your grass shorter than normal and bag the clippings. After mowing, rake the lawn to help loosen the top layer of soil and remove any dead grass and debris. This will give the grass seed easy access to the soil so it can root more easily after germinating.

Can I overseed without dethatching?

How successful will I be to just overseed without core-aerating or dethatching? A: You’re right on target with the timing and seed choice. … A good pre-seeding rain will soften the soil a bit, and rain and daily sprinklings afterward will help drive some of the seed into the surface. You should got OK results.

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 do I seed my lawn after dethatching?

1. Mow the grass lower than usual.
2. Dethatch and/or aerate the lawn, if needed, using the instructions in the above sections.
3. Sprinkle the lawn with fertilizer.
4. Apply the seed with a broadcast or hand spreader.
5. Rake the seeds loosely.
6. Water normally.

Do I fertilize or overseed first?

Stop fertilizing for at least a month before overseeding. The fertilizer makes your grass grow faster, which makes it harder for the new seeds to take hold. Identify your grass type or the type of grass you want to grow, so you can manage it appropriately.

Can you overseed your lawn too much?

Ignoring recommended seeding rates Don’t overdo or cut corners. Too much grass seed causes undue competition for resources such as light, water and nutrients, and grass seedlings struggle as a result.

Do I need to add topsoil before overseeding?

When overseeding, use compost, not topsoil. Compost provides more nutrients and moisture than topsoil. Compost breaks down to increase soil performance. Topsoil will not provide the optimal habitat for grass seeds and it won’t break down over time, leading to an unsightly, dirty yard.

When should you Dethatch a seed?

The best time to dethatch your lawn is when it’s actively growing and the soil is moderately moist. For cool-season grasses, that’s early spring or early fall. For warm-season grasses, dethatch in late spring through early summer (after the second mowing). That’s when your grass is growing most vigorously.

Article first time published on

What month should I overseed my lawn?

Early fall is the very best time to reseed. Soil temperatures are still warm, which is necessary for optimum seed germination, and cooler air temperatures are better for grass growth. There will also be fewer weeds for the grass to compete with at this time of the year.

Should I mow before aeration and overseeding?

Prior to aeration and seeding, a lawn should be mowed at a height of 1.5 to 2 inches. Any clippings left on the lawn after this close cut, should be bagged, blown or raked off the lawn. This is necessary to maximize seed to soil contact as the seed is spread.

Should I mix grass seed with topsoil when overseeding?

The seed can be mixed with Lawn Topdressing and applied to the lawn jointly. This will save a bit of time and effort working the topdressing and seed into the surface. The seeded area must be kept moist, therefore, water your lawn after 2 or 3 days if no rain has fallen.

Can dethatching hurt your lawn?

Dethatching causes a lot of damage to your grass and should be done at a time when the grass is growing so it can fix the damage before the next dormant period. Warm-season grass can be dethatched in late spring or early summer after it starts to grow. It is best not to do it in the middle or late of summer.

What do you do after you dethatch your lawn?

The first thing to do after dethatching is to remove the piles of thatch from your yard. 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.

How often should I Dethatch my lawn?

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.

How long should I wait to mow after overseeding?

After you lay down your seedlings, they’ll need time and the right environmental protection to grow. They’ll need to acclimate and set roots before the first mow, so during the first two to four weeks post aerating and overseeding, don’t mow.

Can you overseed in the spring?

Spring overseeding is similar to fall overseeding in most other respects, as well. Using the seed of new and improved types of turfgrass will make the lawn better able to resist stresses caused by diseases, insects and drought. It’s important, however, to pay close attention to soil moisture when overseeding in spring.

Can you put seed and fertilizer down at the same time?

When seeding a lawn, you should never apply the fertilizer and seed together. This can cause an uneven distribution of the materials resulting in patchy areas or seedlings burned by excess fertilizer. It is best to spread the fertilizer just prior to planting the seed.

Can I overseed my lawn without aerating?

To overseed a lawn without aerating, start by mowing it lower than 2 inches and follow it up with raking to remove debris and loosen up the topsoil. Spread the grass seed and then rake over it gently. Fertilize with a starter fertilizer and then water the lawn lightly until the grass grows to a good mowing height.

How much seed do you need to overseed?

Overseeding requires about half the normal seeding rate, or the rate that would be used on bare soil, including totally bare spots in your lawn. For tall fescue, the normal rate is generally 6 to 8 pounds of seed per 1,000 square feet on bare soil.

Should I 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.

Do you overseed before top dressing?

On the question of whether to overseed before or after top dressing, it’s best to do it after so that the seeds receive adequate sunlight for germination. Choose the same kind of grass seed that is already growing in your lawn to achieve uniform color and height throughout the season.

Should I top dress after overseeding?

The object is to get as much top dressing touching the soil as possible. If you plan on overseeding, do this after the topdressing is down. The reason for doing it after you top dress, is so you don’t bury the seed too deeply.

Should I put soil over grass seed?

Grass seed is best planted at a depth of about ⅛ inch to ¼ inch below the surface. … Many think that putting topsoil over the seeds would protect it, but in fact, that will actually suffocate the seedlings rather than doing any good. We suggest that straw, hay, or any other type of mulching material be used.

Can you overseed twice?

Golf courses aerate a couple times a year and residential lawns should look at aerating at least every other year. This depends on soils, traffic and moisture but every other year is a good general rule. … However, at 50% you will likely need overseeding twice to get the lawn to 90-100%.

Should you overseed every year?

Make it an annual practice. “Annual overseeding is recommended to thicken lawns and make them more attractive, but also to introduce improved varieties of grass that are hardier, less prone to insects and diseases, and more drought tolerant,” explains Mayer.

Can you walk on grass seed?

After seeding, avoid walking on your lawn for at least 4 weeks. Seedlings germinating below the topsoil are extremely fragile. Even if you can’t see them, they can be damaged or killed by foot and vehicle traffic.

Is it better to dethatch wet or dry?

Conversly, you want to avoid dethatching your lawn when the soil is very dry or during times of drought. Moderately moist soil is ideal. … Shorter is better for dethatching, but you don’t want to cut too short and risk exposing the roots and killing the grass.

Should I pick up plugs after aerating?

Those aeration plugs are vital to the health of your lawn. Resist the urge to “clean” the lawn after it’s been aerated, and whatever you do, don’t remove the plugs.

How long after overseeding can I fertilize?

You can fertilize your lawn before or after overseeding. Both tactics work to feed your new grass seed. It’s best to fertilize within 3 days of seeding. This means you can spread your starter fertilizer a few days before you lay down your seed or a few days after.