How low should I mow before overseeding?

Mow your lawn extra short and remove the clippings, so new seed contacts soil and gets sunlight and water. Set your mower at two inches or less for regular overseeding. For southern lawns and winter color, set the blade as low as it goes, and cut just above the soil—what's known as scalping.

Should I cut my grass before aerating and overseeding?

Mow the lawn one or two days before the day aeration and seeding is to be done — and make it lower than usual. We recommend you set the mowing height to 1-1/2″ (one-and-one-half inches). This will get the lawn low enough without scalping it. Mowing low makes both aeration and seeding more effective.

What height should I cut my lawn before aeration?

Before you aerate, mow your lawn low (Timberline lawn experts recommend setting your mower to about 1.5-2 inches above the ground to maximize the effectiveness of aerating, being sure to not scalp the crown of the grass.) You will want to water one to three days before aerating.

Can I just throw grass seed down on existing lawn?

Can you just sprinkle grass seed on top of your existing lawn? While it's possible to simply sow the new grass seed over your existing lawn, taking the time to prepare your lawn beforehand will increase the likelihood of seed germination and improve your end result.

Is October too late to overseed?

When it's October, people often wonder if it is too late to plant new seed. The good news is if you hurry, seed can still be planted in October with the hope that it will survive the upcoming winter. Although September is the best time, often we can still plant grass seed up to October 15 with good results.

How to Mow BEFORE

What is the best month to overseed your lawn?

Hands down, early fall is the best time to overseed your lawn. The absolute sweet spot for most northern regions of the U.S. is August 15 to September 15. That's when daytime temperatures are still warm enough to encourage growth and nights get cooler, giving new seedlings a break from the heat.

Do I need to water after overseeding?

It's critical that you properly water your lawn after aeration and overseeding. Not doing so could have negative results such as a lawn that won't grow, wasted money, or needing to re-seed all over again. It's important to keep in mind that lawn care is a partnership between you and your lawn care company.

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.

What happens if you put too much grass seed on your lawn?

Too much grass seed causes undue competition for resources such as light, water and nutrients, and grass seedlings struggle as a result. Too little seed leaves lawns thin or bare.

Can you sprinkle too much grass seed?

By spreading too much grass seed, however, you encourage root competition between each seedling as they attempt to grow. This can lead to some seeds pushing through the soil quickly, absorbing their portion of moisture and nutrients whilst others fail altogether.

How tall should grass be for aeration and overseeding?

We recommend you set the mowing height to 1-1/2″ (one-and-one-half inches). This will get the lawn low enough without scalping it. Mowing low makes both aeration and seeding more effective. Clean up any leaves, trash or other debris which might interfere with the aeration.

How short should I cut tall fescue before overseeding?

Cut it to about 1.5 inches before overseeding, so the new seedlings can compete with the existing grass and weeds.

What is the healthiest height to cut grass?

Is a spike or plug aerator better for overseeding?

Spike aeration is suitable for small lawns with mild compaction while plug aeration is good for fixing severe soil compaction and on large areas. If you plug-aerated your lawn in the last season and have not run a heavy lawn roller on it since you may not need to do it again until after a few seasons.

Can you just Overseed without aerating?

The answer is that you can overseed effectively without aerating. As we've just mentioned, it's all about seed-to-soil contact. You can get good results without aerating by simply clearing and raking the soil before applying seed.

Should you always Overseed after aeration?

Typically, overseeding 48 hours following aerating is a best practice, as this will give the seed the best chance of getting into the soil. Aerating will also help to correct problems in your lawn such as thinning.

How many times a year should you overseed your lawn?

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.

How many pounds of grass seed do you need to overseed?

If most of your lawn already has thick grass growth, overseeding will be a general maintenance task. In this case, you should use two to four pounds of seed for every 1,000 square feet of lawn. However, if your lawn has exposed areas of soil, apply four to eight pounds of seed per every 1,000 square feet.

Can I overseed without killing weeds?

Quite likely, you'll benefit most from holding off from performing weed control in order to allow us to complete lawn aeration and overseeding. If you treat weeds late in the fall and skip aeration and overseeding, you're only going to have more bare patches and more weeds creeping in.

Do I need topsoil when overseeding?

Overseeding can also help with any bare spots in your lawn. To remedy bare spots, cover spots with topsoil before you overseed. This will improve the quality of the soil and help the grass grow.

How long should you stay off grass after overseeding?

Should I Stay Off My Lawn After Overseeding? Yes, it is best to reduce foot traffic and wear on your lawn for at least two weeks after seeding.

How much grass seed do I need for overseeding 1 acre?

When seeding new turf grass, we recommend a seed rate of 4-7 lbs of seed per 1,000 square feet (the equivalent of 175-250 lbs per acre).

Can I mow immediately 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.

How long does it take for overseed to grow?

Depending on conditions and type of seed, new grass seed will begin to emerge in 5-7 days after seeding when moisture and soil temperatures are adequate. An overseeded lawn can be fully established in eight weeks or less. Proper watering is critical to successful overseeding.

What to put down after overseeding?

After overseeding your lawn, the seeds will need moisture to germinate. Keep the soil moist (but not overly wet) by lightly sprinkling two to three times a day throughout the required germination period. Once your grass begins sprouting, you can cut down on the amount of water.