Probably if he waits until the new seed reaches 5-6 inches the rest of it will be a foot tall and laying down all over which is bad news too. So if you’re wondering when to cut grass after overseeding, do read our essential guide.   Guaranteed service Of all things interesting, informative and inspiring. You can overseed at other times of the year. But then again, it all depends on the type of grass you’ve sown. The weeding should be done about 2 weeks prior to the overseeding. To prepare your lawn for overseeding, cut the grass short, using the lowest setting on your mower. Try and stick somewhat to the 1/3 rule when cutting the really tall existing grass, in other words, if you let it grow another week and it's 11" (but the new grass is like 3.5" and thus safer to walk on), cut it to as high as your mower will go and then cut it again in about a … Whether you are growing a new lawn or renovating an existing lawn it can be exciting watching it develop and become a lush green and healthy lawn. When this process has been carried out it is time to think about how to maintain it and when to start mowing to help develop it into the lush green and healthy lawn that you dream of. Overseeding chokes weeds and fills out the grass until it’s thick and lush. Grass seed needs moisture to germinate. The holes create a better environment for seeds by protecting them from desiccation, especially during noontime. Choose the best grass seed for your lawn and the environment in which it resides. See Watering the Lawn; Unlike starting a new lawn you should mow your lawn as normal. You can find more info in our privacy page linked at the bottom of all pages. You can also choose to disable all optional cookies by clicking DISABLE. Nitrogen is a mobile resource, thus ensuring its availability for the overseeded lawn is a must. The best thing you can do for your grass after overseeding is give it rest, and your mower causes a lot of unrest. 99 £14.79 £14.79 Clippings are best left decomposed on the mowed lawn. Then don't mow for a 2 weeks while you keep everything nicely damp. While seeding, the gardener adds grass seeds to the prepared soil in order to grow grass from scratch; on the other hand, overseeding is when the gardener scatters grass seeds onto a pre-existing lawn. Measure the lawn and weigh out the correct amount of seed. Another benefit is that dense grass cover also improves water and soil conservation. WATERING. The new grass needs sufficient time to mature and to begin establishing a root system and will scalp easily. This height is achieved at about a week or up to ten days if homeowners conducted regular watering. A common practice is to mow grass that is about 3 inches high. Grass Lawn Seed, Speedy 1.4KG Premium Quality 84 m2,Over Seeding Hard Wearing, Tailored to UK Climate, Defra Approved 4.4 out of 5 stars 4,037 £12.99 £ 12 . When grass is 5-8cms (2-3in) high cut for the first time. Ultimately, healthy turf cover prevents erosion of topsoil which contains the nutrients needed by the plants. The general guidelines after mowing must be followed. A general guideline is to mow for the first time when the grass reaches about 3 inches tall. Be careful not to put over clippings with evidence of disease symptoms if you do not want the turf species to become the new host of such pathogens. After 8 weeks just ensure the lawn doesn't get overly dry by watering more deeply. Prior to mowing, you should discontinue watering for 1 day before mowing to let the lawn dry out. When overseeding your lawn, the only way to ensure even coverage is to use a good quality spreader. After allowing your grass to grow 3 inches high, but no taller than 4 inches, you must stop all irrigation for at least 48 hours. Do not let any vehicles or large equipment pass through it or allow pets to dig up dirt on your lawn. Leaving them in these places is unsightly and might lead to accidents. When overseeding is undertaken in the autumn it is near the end of the growing season. Just about every lawn around me gets cut more than 1/3 year after year and they survive. Afterward, the seeds are planted in these holes so that they would have higher germination rates than simply by broadcast sowing. Cutting in quite short will help the new grass seed reach the … You can withdraw consent at any time by clicking on the "Revoke cookie consent" button that will appear on the top-right corner of every page once consent has been given, or through our. Mow regularly trying not to remove more than 1/3 of the growth at any time. However there may be issues along the way and if this is the case why not contact us at Lawnscience? You can easily spot if something is wrong when grasses turn brown and patches of dirt appear, indicating grass cover is unhealthy. This height is achieved at about a week or up to ten days if homeowners conducted regular watering. A recent disturbance, like wheel marks and holes appearing, would compel you to repair turf damage. You can overseed your lawn with new grass in either the spring or autumn, however autumn is the most recommended, to give the grass a good long winter season to establish. Choose a calm day, as grass seed is very light, you don’t want it blowing into your flower beds. Don’t forget to reset the blades to a higher setting after the overseeding is complete and resume a normal mowing height as you typically don’t want to cut the grass this short. Water the lawn immediately after overseeding. If you have a cool-season grass (which you likely do if you live in a northern area), the best time of year to do your aeration is usually early fall or spring. Each type of grass has a different germination speed. We would like your consent to use cookies that allow us to give you a personalised experience and advertise to you elsewhere on the internet. Spring (March – May), is also a favourite time for overseeding. Just remember grass seed germination relies on two main factors – soil temperature, and moisture. The best time to plant your winter grass seed is the first two weeks of October when the Evening temperature drops down to 65 degrees and stays there. However, the choice of overseed species is a vital decision so that the turf species will outgrow competition from existing weeds. Nevertheless, there are instances where clippings must be put out. With the special care we all take I think the existing grass will be fine. When the compost is ready, you can readily apply these on your lawn as an organic fertilizer.   Local Service MOWING. Week 4 and beyond: A month after your new seed has had time to establish, it is safe to begin to cut … Upon overseeding, you might notice that the turfgrass grows unevenly. As a professional lawn care company we carry out a variety of services when we seed our customer’s lawns. Mow regularly but try not to remove more than a third of the growth at any one time. Just like how need to get treatment humans when sick, your lawn also requires specific remedies to keep grasses growing healthily. This way, you’ll allow the new seeds to settle and put down roots. Click ALLOW if you’re happy for us to do this. 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