Can I just lay sod over the fill even though there is existing lawn underneath the fill? 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 … 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. Thanks for your comment and best of luck with your lawn! At the very least we recommend that you cut the existing grass down with a weed eater and then lay the grass over that. 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. If you install sod on top of your existing lawn, the existing grass forms a layer between your sod and the soil beneath. Thanks, that’s what I thought, but I’ve been told it’s okay. You should go on to pull as many weeds as you can do manually. Trim the grass on your lawn if it’s too long. On steep slopes, the vertical placement is key, but as long as your sod won’t shift as it settles, things should be fine. In cooler climates you can lay turf from spring until fall. 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. 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. 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. Weeds will work their way up through even the smallest seams between pieces of sod, or push up through the sod and topsoil. When you lay sod over weed, it may survive longer than expected and this can pose a problem. ... Before laying the sod, rake as much of the dead grass as you can. It may start out level, but as the old grass breaks down it will turn out very uneven. I recently had all new concrete poured around my house (sidewalks, driveways, etc). Weed seeds will survive underground and sprout through your freshly laid sod, ruining that perfect swath of green you're attempting to create. Grass provides a functional ground cover in yards and parks as well as guarding against soil erosion along roadways and waterways. 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. I will remove the old sod. Once the sod dies, you will end up having to re-sod again and remove all of the lawn underneath as well. That’s incredible that they had such great success with an unorthodox installation method! It might look good for a couple of weeks with proper watering, but it cannot survive in these conditions! You do need to take out the old turf before you put in new sod. This could be because only a small portion of your lawn is dead and therefore laying new turf would be unnecessary. Do your research and check out blogs run by sod companies or garden centres to ensure you are getting high quality information and tips. What kind of oil for lawn mower should you buy? Try using a roller on your new lawn after installation. This is a machine that slices grass below the roots for easy removal. Saltillo, Lancaster. It is also essential that a fresh sod should be given proper nutrients to thrive and grow. Home » home and garden » How to lay sod over existing lawn? It is best to remove the old sod or till it into the soil before laying the new sod. The old sod may also contain weeds and weed … With some careful digging, you can install the patches at ground level so that they’ll never show. 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