New sod is fragile, because it has yet to form deep roots and combine with the soil. Grass provides a functional ground cover in yards and parks as well as guarding against soil erosion along roadways and waterways. Therefore, removing the old grass would negate all such concerns. This is because the sod cannot survive if you lay it on top of existing grass. Sodding is normally required when your lawn grass becomes dead for some reason or it could also be some patch of dead grass in your lawn, requiring the same treatment. laying the sod over the grass might work but the lawn is never going to be as healthy as if you had done it properly. Try using a roller on your new lawn after installation. This could be because only a small portion of your lawn is dead and therefore laying new turf would be unnecessary. Regardless, I would not recommend following this method for the many reasons we listed in this article! Uproot all weeds, and start your yard from scratch. How long after I use Round up can I SOD? In order to do this, your sod needs to have contact with the soil beneath it. It might look good for a couple of weeks with proper watering, but it cannot survive in these conditions! Till the lawn’s base soil to 6-inch depth by employing a mechanized till for the sake of breaking the roots from the grass. I have added some fish meal and some black earth soil on top… It’s been a week since I rototilled it. Moisten soil using a garden hose and then, down the row, just unroll the sod. Once the object is removed the grass gets a slimy, sort of wet layer on top of it. Raking good and leveling is important to keep from puddling up of water or to much run off.Now with … Your email address will not be published. Don’t skip any steps, and save yourself the trouble of having to re-sod in a couple of weeks. The old sod may also contain weeds and weed … How to Kill Weeds in the Lawn Without Killing Grass. You may consider adding a layer of topsoil on top of existing grass, or, better yet, remove old sod with a sod … If you were to just lay sod on the weeds it would do okay, but you will have a lot more weeds in your yard...Do not do like what was previously suggested and put out weed n feed, you should not fertilize newly laid sod Although it can be the easiest way to have a new, fresh lawn, laying sod over an existing one would not be the best option. Some lawncare experts shy away from applying sod over existing grass when they are concerned about the level of the sod in comparison with other surfaces. “Therefore, the existing grass / lawn must be extremely sparse or you will have to bring in dirt and put it on top before laying the new sod. If the object is left there for awhile the grass underneath it will decompose. feet of the tilled soil. Continue to monitor it as it establishes and just be very careful on your first mow. Can I just lay sod over the fill even though there is existing lawn underneath the fill? Garden weeds are unwanted annual or perennial plants that limit desirable plants from growing vigorously because of the strong competition they offer for soil moisture and nutrients. From start to the end of the marked area in the lawn, just go by raking the soil in a straight line that you wish to sod. It is easy to take shortcuts, but they can end up costing you! I have heard of people doing this… but it is not a good idea. Can You Lay Sod Over Weeds? If you’re resodding your entire lawn, this is less of a problem, although you’ll probably want to dig out around walkways and curbs to slope the sod … His lawn is the thickest and greenest on the street. It might look good for a couple of weeks with proper watering, but it cannot survive in these conditions! It may seem like an easy solution, but here are the problems you create. Existing grass makes it hard for sod to get the nutrients it needs to survive. The lawn roller filled with water should then be run row by a row over the soil. If you want the new sod to look its best and with no old weeds or old grass growing through it, till the ground and remove the old grass first. I don’t know how it survived or continues to survive after about a year and a half. Sod can’t be placed over existing growth, like plants or weeds, so clearing out any vegetation is a must. All necessary for Pest Control https://amzn.to/2rLU5CG ----- How to Kill Weeds Before Laying Sod. At the very least we recommend that you cut the existing grass down with a weed eater and then lay the grass over that. Have you ever set a heavy, dense object (like a brick or large rock) on top of your lawn? We can see why you’d think it could be a good strategy – like laying landscaping fabric, sod could starve existing grass for sunlight and effectively kill off the original layer. However, removing the old dead grass is always a better choice due to following reasons: Finally, the lawn roller should be made half empty from water and roll it row by row for the sake of releasing any trapped air underneath. Work to smooth out any wrinkles in the sod. Feel free to provide some more details in another comment and I hope I can help . If you’re in the market to lay new turf over a struggling lawn or playing field, you’ll need to prepare the ground first – exactly how you’d prepare it to allow the sod to make root-to-soil contact. Be careful when researching ‘shortcut’ ideas for your lawn. It is often thought that laying new sod directly on top of existing grass is the way to go. In cooler climates you can lay turf from spring until fall. It is the envy of the street. The yard should then be very thoroughly raked and look to collect any residue debris and chuck that in the bin. December 27, 2019 . No problem Mark! However, you should also spray the existing grass and especially Bermuda grass with Roundup before you lay your new sod. The best instructions for it are loosen soil for 2 to 3 inches and then lay down the sod, using a roller to get it to lay properly so it can take root. When installing sod, people tend to look for ways to simplify the process. Through experience, it is not best to lay sod over existing grass. A lot of work but that will give you the best most weed free lawn. You can’t simply lay sod on top of grass without doing proper preparation. This is a need for the sod’s layer to fit the fixed surface along with the flush. Unfortunately, the answer is exactly the one you were probably hoping it wouldn’t be. The ideal approach here is to start with the laying process of sod from a fixed end, such as that next to the side or the sidewalk of the house. This is a machine that slices grass below the roots for easy removal. 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