QA

Quick Answer: When Should I Overseed My Lawn

The Turfgrass Water Conservation Alliance service recommends overseeding at least 45 days before your average first fall frost. In southern areas, overseed thinning lawns in late spring, as warm-season grasses enter active growth. For winter color, overseed southern lawns in fall.

What month should you 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.

What is the best way to overseed an existing lawn?

Mow Low. 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 you just sprinkle grass seed on 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.

When should overseeding be done?

There are two ideal times of the year to overseed your lawn – fall and spring. Fall is the best choice. The soil is still warm which means the seed will germinate faster. Also, weed growth tapers off after summer, so your new grass won’t have to compete for sunshine, water, and nutrients.

Can you use too much grass seed when overseeding?

New lawns or spot repairs take about twice the amount of seed needed for overseeding thin areas. 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.

Do I need to aerate before overseeding?

The most important step you can take before overseeding your lawn is aerating your soil. No matter what seed you use, they can’t germinate in compacted soil devoid of water, nutrients, and sufficient air exchange. That’s why it’s crucial to aerate your lawn before starting the overseeding process.

Is it too late to overseed?

Overseeding is Better Late than Never There will be plenty of time to fix most turf problems. Overseeding in October, or as Uncle calls it “OctOverseeding,” when the days are warm, nights are cool, and soil temperatures remain above 55°, allow grass seed to sprout very quickly.

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 I fertilize and overseed at the same time?

Is it OK to Fertilize After Overseeding? It is perfectly safe to fertilize after overseeding your lawn. In fact, applying a specialized lawn starter fertilizer will increase the number of grass seedlings that survive to adulthood. For best results, apply a starter fertilizer within 3 days over overseeding.

Can I seed my lawn in February?

Short answer… yes, absolutely! Here we answer a few of the questions you might have about sowing grass seed in winter.

How do you overseed in the spring?

The technique of overseeding in spring involves planting new grass seed into lawn turf while taking care to avoid tearing or damaging the turf. This is an excellent method of closing up bare spots and enhancing turf density.

Can you put grass seed down in November?

It is now too late to sow grass seed, but new lawns can still be laid from turf if the weather is not too cold. Use an autumn lawn feed, which contains more potassium and phosphorous, to encourage hardiness and root growth instead.

Is March too early to plant grass seed?

In nearly all regions, March is too early to plant grass seed. Temperature is a better barometer; wait until days average about 80 degrees before planting grass seed for summer. March is too late to sow cool-season grasses.

Is it OK to overseed in the spring?

If you live in the North and are unable to overseed in the fall, your next best time is the spring. If you live in the South, the best time to overseed is late spring through mid-summer, since warm-season grasses need warmer soil temperatures to germinate.

Can you aerate and overseed in the spring?

The best time to aerate your lawn is in late summer or early fall, as this will allow your grass to recover completely before going dormant in the winter. While fall is recommended, you can also aerate and overseed your lawn in the spring between March and May.

How do I reseed bare spots in my lawn?

How to Reseed Bare Patches Rake the Area. Rake and remove any debris or dead grass from the area, using a garden rake. Loosen the Soil. Break up the soil with a hard-toothed lawn rake or a garden cultivator. Amend the Soil. Spread the Seeds. Rake the Seeds. Begin Watering. Mow When Ready.

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%.

Is it good to 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.

Is dethatching the same as aerating?

Homeowners often confuse aerating and dethatching. Although both are devised to improve the health of your lawn, the two activities are very different. Thatching is more involved and can be hard on your lawn. Aerating is a simpler process and grass rebounds quickly.

Is dethatching your lawn a good idea?

Lawn dethatching can be crucial to keeping your grass and soil healthy. Even if you are mowing and doing everything else necessary for your lawn, thatch can build up. This allows air, water, and nutrients to reach your plants and soil again. Dethatching allows your lawn to drain better as well.