I am trying to plant grass over a large area 30x100. How Much Soil to Use . The size of the garden is about 50 SQMTs. Sow seed grass over a lawn area by feeding it into a rolling broadcast spreader. How much of the gravel do I need to remove and replace with topsoil for grass seed to grow and remain healthy? Joined: May 8, 2010 Messages: 10 Ratings: +0. Grass will grow in around gravel if a proper seed bed is prepared. 2 2 Answers from MyBuilder Landscape Gardeners. A bowling green is probably a 6" (150mm for youngsters) layer of good soil on top of loads of rubble, gravel and sand for drainage. The more topsoil you order from us, the cheaper the price, so why not get together with a neighbour or your fellow allotment holders and buy in bulk? The fact is, each tuft of grass in turf is a plant, and plants grow better in good soil, and just because it's grass, it doesn't mean it won't mind being grown over lumps of debris, with or without topsoil placed over. The Natural Reseeding of a Centipede Lawn. I was hoping i could get away with about an inch. Measuring in metres is simplest, as this will give you the volume of topsoil you need in cubic metres. Adding topsoil over tree roots presents some problems, too. I have an uneven back garden which i now want to level. Adding materials to clay can also make the clay less stable, so the soil becomes harder to manage. paulferguson_67. The topsoil you use shouldn't have a high water retention rate because laying soil over gravel produces that effect. Using a dry topsoil and sand mix is much better for leveling uneven areas than putting sand on a lawn without mixing. Buy topsoil in bulk Search for: Recent Posts. Level and smooth the graveled area with the rake. Really prep the soil with the 4 way type top soil mix before you put new sod down - and buy the sun and shade sod that only needs 2 hours of sunlight. 12 years ago . … Lawns should be aerated every 2-3 years, and if yours is due, start with a nice core aeration. Get on a good watering schedule. Choose a grass type that thrives in sand, such as a fescue variety, bermuda grass or sand bluestem grass. Good luck! Make sure to grade away from any structures and keep the level 6" below the buildings siding (a requirement in my state) add the topsoil and pack with a roller then fill low spots for a nice even lawn. Just as the name suggests, a membrane is a layer which will stand between the gravel and the ground to prevent any weeds from growing. Plant it in the summer so it has time to set roots before winter. It is also easy to work with and spread, even when wet and will provide a stable, level base for laying turf or sowing lawn seed. Gravel yards can't replace the natural beauty of turf grass. Maybe somebody locally needs some gravel for their driveway instead. Purchase the grass in seed or sod form. I have an area on my property where there is really hard packed, dense gravel. soil grass gravel. Measure with a tape measure the length and width of the gravel area on which you want to place the topsoil. Should I put a soak area (Small french drain) in also or will the hardcore base be enough long term. Never amend sandy soil with clay, as grass will struggle to grow in such a hard soil consistency. This will also help water drain away from the concrete. Spread slow-release fertilizer over the top of the soil. Compost is an example of organic matter, and it is sold by garden supply stores. I am scraping off the loose gravel and want to know what the minimuim amount of top soil that i need. Fantastic Team; Published: November 27, 2018 ; Last update: October 14, 2020; 6min read; Views: 42,420; It’s really no surprise why so many homeowners think of replacing grass with gravel. © Copyright 2020 Hearst Communications, Inc. Gravel covered yards are popular because they do not use water, but gravel makes the yard hot and is difficult to walk on. Filling Low Spots in the Lawn. Our lawn had some dips (3 inches at most) and our contractor reckoned that only topsoil was needed as the existing grass would work it's way through. You'll be amazed how beautiful you lawn will grow! That translates to between 0.4 and 0.8 cubic yards of topsoil for every 1,000 square feet of lawn. It’s suitable for almost every type of garden, it’s easy maintenance and there are many types to choose from. 300mm of gravel is a lot, I'd get most of it out wherever you want to plant, unless you're going to build up another 300 of soil on top which has its own complications. Is it a case of putting down a layer of hardcore mix followed by weedblock and then layer of gravel. So what is considered a "small amount?" Seeds, sod and plugs all require at least 4 to 6 inches of good topsoil. University of California Integrated Pest Management Online: Soil Amendments, University of Alaska-Fairbanks Cooperative Extension: Establishing and Maintaining a Lawn in Southeast Alaska, California Turfgrass Culture: Matching Irrigation to Turfgrass Root Depth, How to Repair Grass That Your Dog Has Torn Up. You'll need 400mm of topsoil for the best results, which means you'll need 40 cubic metres of topsoil. Using a membrane sheet under the gravel will cut down your weeding, but it will also stop plants self seeding. If you are looking for filler then fill dirt will provide a more stable material. Keep in mind that you’re adding soil, which over time will raise your grade and affect thatch breakdown and soil ecology, so don’t go overboard. Discussion in 'Lawns' started by dortmunder, Jul 12, 2016. dortmunder Apprentice Gardener. It requires a lot less maintenance than grass, and can look even better. After Digging in My Yard, How Can I Fix the Grass? Another tip to prevent grass from growing in gravel is to choose a smaller type of gravel. I have a french drain that is covered in crush stone that currently marks the perimeter of my lawn right now. After the topsoil is level across the planting site, the site is ready for grass sod or grass seeds. I would like to have grass in this area instead. How to Lay Gravel Over Grass. Rake out and apply your seeds. Cut the lawn high to lessen the possibility of moisture loss through evaporation. For sod grass, lay it down over the yard and press it flat with a sod roller. Whether you start a lawn from seeds or use a vegetative planting method such as sod or plugs, the soil conditions largely determine how well the grass grows. Grass typically requires a high level of moisture to remain lush and vigorous, and neither sand nor gravel retain water well. The size of the garden is about 50 SQMTs. Adding soil over grass is also not the cheapest option in lawn repair. Trouble spots may need repeat applications, but regular, uniform top-dressing does not need to be an annual tradition. Mix the gravel with the soil. Level and smooth the gravelled area with the rake, to ensure the flow of rainwater in the right direction, before you lay the topsoil. If the drainage problem is severe, it is helpful to bring the gravel right to the top of the drain trench and leave it exposed. Once grass has become established, water it every 3 days. When you've calculated how much topsoil you need, you'll benefit from our low bulk-buy prices, so … Make seeding success is made more permanent -- and you'll save considerable annual labor -- by working 1 to 2 inches of a combination of well-rotted compost and topsoil into the top 4 inches of clean fill. Topsoil is the necessary top 2 to 10 inches of soil in any lawn or garden. If it the climate tends to be dry, then such a soil would necessitate a lot more watering than a heavier soil. The best time to covert your gravel yard to grass is either in the spring or fall months. It *can* work, but there are things to consider. How much grass and topsoil should be removed? How Do I Calculate How Much Dirt I Need to Fill in a Spot of Lawn? It would be expensive to have the hard packed gravel removed. Exact rates can depend on moisture content, type of organic materials, geographic and economic location. Really prep the soil with the 4 way type top soil mix before you put new sod down - and buy the sun and shade sod that only needs 2 hours of sunlight. (Grass and weeds will grow through soil 2 or 3 inches thick quite easily.) Remove as much of the gravel as possible before laying the topsoil. Turf given a chance will root deeply but can survive on about 4inches. Otherwise it will grow back up and is a problem to mow or weed wack because of the gravel. How to Convert a Gravel Yard to a Grass Yard. On top of this probably another layer of cardboard, and then compost or leaves. It is able 12 inches thick of compacted dirt laced gravel. Improve the soil's moisture retention with a mixture of compost or peat and loamy topsoil. There is also a lot of old brick and blocks of concrete in the garden which are ready to be skipped. The maintenance will be a lot easier, as you won’t have to pull weeds every couple of days. I think this will solve the problems with heat, drainage, and nutrients. 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