QA

Quick Answer: When Can You Overseed A 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.

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.

How do you 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.

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.

How do I overseed my lawn UK?

How to overseed your lawn Mow the lawn to approx 25mm. Use a spring tine rake to break up and remove the layer of dead matted grass known as thatch. Using a garden fork, spike the lawn to a depth of approx. If your lawn has not been fed in the last 4 months we recommend feeding the lawn before overseeding.

How late can you overseed a lawn?

Although September is the best time, often we can still plant grass seed up to October 15 with good results. The problem with late season seeding is that Mother Nature is working against us. Shorter days and cooler temperatures prolong the germination of the seed and its establishment.

Should I put topsoil over grass seed?

You don’t need to turn the topsoil over. Just break it up so the new grass seeds’ roots can easily grow through. If you just have a small area to seed, a digging fork will do the trick. For larger areas, consider a core aerator.

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.

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.

Should you aerate before overseeding?

The best time to aerate your lawn is during the fall before you begin a fertilization program or decide to overseed. Run your irrigation system after the turf has been aerated. Aeration will help ensure your soil is ready to absorb all of the nutrients and seeds that come its way with topdressing and overseeding.

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.

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.

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.

When can I mow my lawn after overseeding UK?

Now that you’ve finished overseeding try to limit your lawn use for the next 7 to 21 days (especially from heavy traffic/usage). You can go back to mowing after about 10 – 14 days, but reduce the amount of stress you’re putting on the new grass by mowing once per week.

When should I reseed my lawn UK?

The best time to overseed in the UK would be spring – March, April and early May, or early autumn – late August to September. During these months, the weather is not too hot, not too cold, there is a high chance of rain and, as we mentioned a few times already, seeds need moisture in order to germinate.

Will overseeding get rid of weeds?

Overseeding a weedy lawn will not kill weeds on its own. However, thick grass growth produced by overseeding prevents new weeds from sprouting. In order to keep your lawn weed-free with overseeding, first, kill any existing weeds, then prep your lawn and spread new grass seed.