Placing the sod right above the existing grass would keep it at an elevation and far away from the soil and chances for the sod to try out faster would be higher. If you do decide to take the short cut, you should definitely spray the existing lawn/weeds with herbicide at least a couple times before you do it. Well I rototilled my old “lawn” before reading this article… Since my time machine is being repaired what steps should I take to increase survival of the new sod. A lot of work but that will give you the best most weed free lawn. “All sod must make soil contact to root,” she points out. Depending on the severity of the slope, your sod could still be fine! (Grass and weeds will grow through soil 2 or 3 inches thick quite easily.) When should I cut my new sod? This is a need for the sod’s layer to fit the fixed surface along with the flush. No problem Mark! The heavy duty type of the tarmac rack’s tines should be positioned right next to the lawn’s fixed surface, such as the driveway, patio or the sidewalk. At the very least we recommend that you cut the existing grass down with a weed eater and then lay the grass over that. Gardening pain could then be used for properly marking the area where you wish to lay the sod. If the object is left there for awhile the grass underneath it will decompose. Hey Max, there’s a chance new lawn could be fine! When you are using herbicides, try to read and follow the manufacturer’s guideline to the latter. Thanks for your comment and best of luck with your lawn! In this stage, it can’t repel weed invasion like a healthy, established … It is the envy of the street. Existing grass makes it hard for sod to get the nutrients it needs to survive. I have heard of people doing this… but it is not a good idea. A layer of old sod will prevent the new sod from developing roots. Can you lay sod over existing grass? For a guide on how to properly install sod, check out our full 7-step guide. Thedigmagcom is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com, Best grain free dog food for skin allergies, Doggy hair dryer and hair blowers that actually groom your doggy, Cuisinart 360 griddle cooking center review, TP links ac1200 things you need to know about it, How To Use A Spray Gun With Air Compressor. Grass seed is much cheaper to buy than buying the equivalent amount of turf. With some careful digging, you can install the patches at ground level so that they’ll never show. If you have dirt and sparse weeds will it survive? Therefore, removing the old grass would negate all such concerns. 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. One of the main reasons is that if you put new sod on top of old vegetation, the new sod’s root system will never actually make contact with the soil. Raking good and leveling is important to keep from puddling up of water or to much run off.Now with … It is easy to take shortcuts, but they can end up costing you! 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. Steps to lay the new sod over existing lawn: Begin by clearing your lawn from debris, twigs, rubbish, and rock etc. Continue to monitor it as it establishes and just be very careful on your first mow. Essentially, sodding over existing grass makes you have to do the job twice! Through experience, it is not best to lay sod over existing grass. If you install sod on top of your existing lawn, the existing grass forms a layer between your sod and the soil beneath. 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, I didn’t know as much as I should have and I laid some pieces vertical (with the slope) vs horizontal. Finish laying the sod’s roll with alternate side approach. Grass provides a functional ground cover in yards and parks as well as guarding against soil erosion along roadways and waterways. Once the object is removed the grass gets a slimy, sort of wet layer on top of it. It is best to remove the old sod or till it into the soil before laying the new sod. Save time and money by doing things right, the first time! It is also essential that a fresh sod should be given proper nutrients to thrive and grow. That may help with your chances of success. Lay Sod in Rolls Cut the next piece of sod in half and lay it against the first, staggering the joints like in a course of bricks. This is because the sod cannot survive if you lay it on top of existing grass. Water your lawn and allow at least a week for the soil to settle down. People have multiple opinions about removing the old dead grass before sodding. Can I just lay sod over the fill even though there is existing lawn underneath the fill? 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. It may seem like an easy solution, but here are the problems you create. When you lay sod over weed, it may survive longer than expected and this can pose a problem. Do Not Lay Sod Over Old Turf. 10 pounds of the starter fertilizer should be applied to every 1,000 sq. I’m looking to put new sod in my backyard. Tall grass … You can't simply lay sod on top of grass without doing proper preparation. You should go on to pull as many weeds as you can do manually. In cooler areas seeds may be overtaken by weeds in the spring. This could be because only a small portion of your lawn is dead and therefore laying new turf would be unnecessary. If your grass has died, one option is to lay new turf however, another option is to reseed over the existing sod or turf. ... Before laying the sod, rake as much of the dead grass as you can. It might look good for a couple of weeks with proper watering, but it cannot survive in these conditions! Your fresh sod will be unable to reach the soil to develop roots. In the process, they added fill (river sand), covering the old grass, which was never really 'pure' grass and had weeds, etc. On steep slopes, the vertical placement is key, but as long as your sod won’t shift as it settles, things should be fine. Have you ever set a heavy, dense object (like a brick or large rock) on top of your lawn? However, weeds may appear when you lay new sod over soil that already contains live weeds. Additionally, the grade is extremely important; the water flow must be proper. I want to kill off my Zoysia (which is infested with creeping grass’ and weeds). Do your research and check out blogs run by sod companies or garden centres to ensure you are getting high quality information and tips. Continue with sodding unless the center of the lawn is met. Begin by clearing your lawn from debris, twigs, rubbish, and rock etc. Once the sod dies, you will end up having to re-sod again and remove all of the lawn underneath as well. It may start out level, but as the old grass breaks down it will turn out very uneven. Saltillo, Lancaster. This is a machine that slices grass below the roots for easy removal. People often think that laying sod over an existing lawn makes sense and saves time. This is an educational Blog website to inform the customers of OrderSodNow.com of installations tips. You may consider adding a layer of topsoil on top of existing grass, or, better yet, remove old sod with a sod … All necessary for Pest Control https://amzn.to/2rLU5CG ----- How to Kill Weeds Before Laying Sod. 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. Can You Lay Sod Over Existing Grass? Happy to help. First thing you need to do is spray Roundup all over the whole area that you intend to lay grass on. Unfortunately, the answer is exactly the one you were probably hoping it wouldn’t be. It may not root well if you just lay it on existing grass. Weeds will work their way up through even the smallest seams between pieces of sod, or push up through the sod and topsoil. Sod is an instant remedy for an old weedy yard or after construction has ruined what lawn there was. His lawn is the thickest and greenest on the street. This seems like an easy way to cut down the preparation time, but will end up adding more time than it saves! answers from Chicago on May 06, 2010 To really get sod to take, you need to place it on freshly turned soil. My old grass is pretty much all dead and I’m looking to add 3-4 inches of soil on top of the old lawn to achieve the grade I want. December 27, 2019 . Unlevel lawn: You want a firm, level surface to lay your new sod over. By killing all such weeds before laying sod, you clear the way for the new grass to grow and develop into a … Killing existing weeds prior to laying sod increases the chances of the grass establishing itself and growing healthy. When installing sod, people tend to look for ways to simplify the process. Hey Lorri, we recommend following a land preparation regimen to make your new lawn establish properly. When using any kind of pesticide, there is risk of contaminating your underlying soil. the yard is bahia and they want me to lay bahia the yard is free of weeds but not sure about bugs like cinch bugs etc.. i have checked and didnt see none but not sure if bugs are seasonal i thank you in advance for your answer or answers Can You Lay Sod Over Weeds? Hopefully the fishmeal and black earth helps build up the topsoil layer. Freshly laid sod also needs proper nutrients to thrive and to grow. Mow your existing lawn as short as possible to remove vegetation. So this is all about how to lay sod over an existing lawn to get the desired results without any issues. Proper preparation to the soil and ground beneath the sod is crucial to the success of your lawn. In cooler climates you can lay turf from spring until fall. The objective here is to create the 2% slope to allow for the water runoff over the sodded zone. I don’t know how it survived or continues to survive after about a year and a half. i have a side job for a friends that is trying to sod his mothers yard for mothers day and was wanting to know if i can lay sod over the existing grass? Home » home and garden » How to lay sod over existing lawn? When you’ve finally decided that all weeds and remaining grass are gone, wait one week before you plant your new expensive grass seed. It might look good for a couple of weeks with proper watering, but it cannot survive in these conditions! Through experience, it is not best to lay sod over existing grass. Excess sod should be removed, by using a knife. How to Kill Weeds in the Lawn Without Killing Grass. Be careful when researching ‘shortcut’ ideas for your lawn. 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 Thanks, that’s what I thought, but I’ve been told it’s okay. How do you lay sod over existing grass? 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. If you only put a thin layer of soil down, the old weeds and grass will through your soil. You should go on to pull as many weeds as you can do manually. Sod grass requires soil contact in order to thrive. The most effective way to do this is to use a sod cutter, which can be rented for about $70 per day depending on your area. Read the instructions on the herbicide product carefully. Height: If you place a patch of sod directly on your lawn, it will be higher than the surrounding soil, and not only will it show, but it will dry out faster than the rest of the lawn. What kind of oil for lawn mower should you buy? As professional turf layers we know that’s a recipe for a ruined lawn, for a variety of reasons. Moisten soil using a garden hose and then, down the row, just unroll the sod. Before installing new sod, it’s important to kill any existing grass and weeds in the soil so the new lawn has the best chance at thriving. 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. This is what happens to the grass beneath the sod. If I put down 6 inch’s of Targo — can I then install sod? All seems with soil should be filled and then tamp it down. Alternation should be done between the shorter and longer layers in order to make a brick pattern. This can be a problem if you are growing grass from seed over a previous weedy lawn, the old weeds will grow through as well. Kill off all that old grass and weeds so that it doesn't show up in your new lawn. It’s probably a better idea not to take any shortcuts! Unroll the sod next, from the other side of the lawn. You do need to take out the old turf before you put in new sod. you can do this by removing old grass and weeds by hand (dig it out) or spray Round-up to kill existing grass and weeds then sod (check label for waiting period)you don't want old weeds coming through new sod. I’m sorry but I’m not sure what Targo is, and I’d hate to give you inaccurate info. 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. We just worry about air pockets and soft rotten areas where your old lawn is decomposing. Can You Lay Sod Over Existing Grass? feet of the tilled soil. 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. The reason for old grass being dead would be minimized for the new sod laid as the old soil may be compacted and/ or contain diseases or insects, which may impact the new sod as well. Enjoy your new lawn! The old sod may also contain weeds and weed … I will remove the old sod. “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. Try using a roller on your new lawn after installation. Weed seeds will survive underground and sprout through your freshly laid sod, ruining that perfect swath of green you're attempting to create. I laid sod on a small sloped area next to my house. Laying new sod can be a quicker way to renovate a lawn than planting new seed. One of our neighbors laid the sod right on top of the old grass. It is easier to put in the time and effort now as the results will be well worth it! In fact, laying fresh sod over an existing lawn is no shortcut and … Conditions must have been ideal for sod establishment at the time of installation. Wow Sandy! In order to do this, your sod needs to have contact with the soil beneath it. Why You Shouldn’t Lay Sod Right Over Your Lawn. 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. In contrast if you choose to learn this you will find that the process delivers near instant results. Trim the grass on your lawn if it’s too long. You’ll have to remove the old sod before installing new! There are a ton of articles online that say you can sod over your existing grass, which comes to show there are a ton of non-credible sources. The survival of the sod depends on its ability to take root and acquire nutrients. Turf needs to be able to grow roots quickly to become established after sod is laid. You need to tap down the spot where the fixed surface hooks up with the soil, by using a hand tamper. Be sure not to run into any irrigation water lines when using the rototiller. You should never lay sod over weeds. This will allow your lawn to breathe once the sod is put on top of it, and it will give the sod room to hook its roots onto the ground. Your email address will not be published. How to Place Sod Over Existing Grass. A single inch of the compost needs to be spread over the tilled soil and then till to 4-inch of death in order to incorporate the new change. Or should I change the direction of the sod while it is still fresh? That’s incredible that they had such great success with an unorthodox installation method! 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. Pat sod carefully into place, so there aren’t any air pockets between soil and sod. Through experience, it is not best to lay sod over existing grass. Your email address will not be published. Remove all the weed from your garden either by hand or by using glyphosate. The start point of the row should again be accessed and start raking once again unless you see the soil measuring beneath the fixed surface level is of an inch again. New sod is fragile, because it has yet to form deep roots and combine with the soil. I was thinking of using a weed/grass killer first on a sparsely-filled lawn, wait until the vegetation dies/browns, then roto-tilling the area before I lay the sod down. 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. Plant your sod over an existing lawn, while still ensuring good sod to soil contact. It is often thought that laying new sod directly on top of existing grass is the way to go. Once the sod dies, you will end up having to re-sod again and remove all of the lawn underneath as well. He does very little to his yard. The yard should then be very thoroughly raked and look to collect any residue debris and chuck that in the bin. I have added some fish meal and some black earth soil on top… It’s been a week since I rototilled it. Don’t skip any steps, and save yourself the trouble of having to re-sod in a couple of weeks. Follow the instructions carefully for the pesticide, and be sure to water the area, or wait for a good rain once you roto-till the area to try and flush any remaining chemical before installing sod. How long after I use Round up can I SOD? Getting some nutritious soil mixed in, and making the grade nice and even will help immensely with your new lawn! 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. Experts will tell you it is best to remove old grass and weeds first and I agree. Required fields are marked *. Would there be a chance this would be successful? For those of you who prefer not to use toxic synthetic chemicals to kill the old grass and/or weeds, you can take several approaches to getting rid of weeds without chemicals. 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. The new sod would be able to get the best access to the deep soil that it needs for its proper growth. Uproot all weeds, and start your yard from scratch. This doesn’t seem like a great growing environment and your sod will not be receiving all of the nutrients it needs. I recently had all new concrete poured around my house (sidewalks, driveways, etc). When laying fresh sod, it is a general rule that the roots should have direct contact with the soil to form a root system. Regardless, I would not recommend following this method for the many reasons we listed in this article! You can’t simply lay sod on top of grass without doing proper preparation. Sod can’t be placed over existing growth, like plants or weeds, so clearing out any vegetation is a must. Updated May 11, 2018. Work to smooth out any wrinkles in the sod. However, you should also spray the existing grass and especially Bermuda grass with Roundup before you lay your new sod. Can I add soil to my existing lawn, then add the sod? This is because the sod cannot survive if you lay it on top of existing grass. In order for sod to survive, it has to be able to form a root system. A more expensive option, unlike seeded lawns gardeners in milder USDA zones can lay new sod at any point during the year. Feel free to provide some more details in another comment and I hope I can help . Let us take this opportunity to quench your thirst about knowing that how to lay sod over the existing lawn in the most existing manner. For the remaining weeds in the lawn, you can look to treat it with the herbicide that contains all the active ingredients, dicamba, MCPP or glyphosate. The yard should then be investigated for any probable holes or depressions and if there, then make sure to fill them with soil, using a scoop shovel. You will only hide your weed problem for a short time. There’s a chance your sod could be fine on top of old sod, but it’s not a recommended practice for the reasons I explained. I wouldn’t want to make any improper recommendations here. The old sod will decompose and create harmful gases and air pockets that will wreak havoc on your new sod. The lawn roller filled with water should then be run row by a row over the soil. Mark each sprinkler head with a small flag. 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. For example, some landscapers remove grass before applying sod near sidewalks and driveways, where it is better to have the base of the soil even with the hard surfaces. Will everything still be fine? 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 … , rake as much of the lawn roller filled with water should then be very careful on your new.! Important ; the water runoff over the whole area that you cut the existing down... Can install the patches at ground level so that they ’ ll never show over,! Some nutritious soil mixed in, and I ’ d hate to give you the best access to grass! And parks as well water should then be very thoroughly raked and to. Ruined what lawn there was growing environment and your sod and topsoil wet layer on top your! 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