Grass like plant specimens have roots and they need to grow directly into the soil. 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. Take into account your location's climate: if it is very rainy, then a well-draining, sandy soil will work. If it the climate tends to be dry, then such a soil would necessitate a lot more watering than a heavier soil. Topsoil contains organic matter and is likely to shift or settle over time. Over the course of a few years, the topsoil layer will settle to become 3 to 4 inches thick. Typically, you’ll need to dig between 50mm to 300mm to really get to that solid level of subsoil, though you may prefer to dig a little deeper to get the desired decorative effect you’re going for in your gravel driveway, providing it is safe to do so. Grass growing in the sand is also more susceptible to drought and cold injury. We recommend a depth of 4 to 6 inches to create successfully your new lawn. Also can sod be planted over this or will i need topsoil to and if so how much. How Much Soil to Use . You'll need 400mm of topsoil for the best results, which means you'll need 40 cubic metres of topsoil. Better yet, mix in some compost before applying the soil, so that the resulting mix will be lighter and fluffier, thereby reducing the likelihood of suffocating the roots. I think this will solve the problems with heat, drainage, and nutrients. I would recommend you remove the gravel, prepare your soil. Without a good layer of topsoil, plants will not grow well, if at all. If this is not an issue, cover the area in a membrane sheet. To determine how much topsoil you need to place over the gravel, follow these simple calculations: Measure the length and width of the area that you plan to cover with topsoil. 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. 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. Good luck! You can put some straw or hay over the ground as this will help retain moisture. Both can be great materials to use on your property, but each has their individual purposes. Rolawn Turf & Lawn Seeding Topsoil is a sandy, free flowing friable topsoil with added GroRight ® Lawn Establishment Fertiliser, specially formulated to encourage turf or grass seed to get off to the best possible start. Request a Quote (859-635-5680) And We Will Contact You Shortly! This would require 250kg per sq m (460lbs per sq yd) of grit or gravel. When you've calculated how much topsoil you need, you'll benefit from our low bulk-buy prices, so … Topsoil is nutrient-rich material that sits at the top of the earth’s layers. Grass will grow in around gravel if a proper seed bed is prepared. 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. University of Missouri Extension: Improving Lawn and Landscape Soils http://ceventura.ucanr.edu/Gardening/Coastal/Landscape_578/Sandy_Soil/, University of Maryland Extension: Growing Green Lawns, University of Hawaii: Installing a New Lawn, How to Make an Environmentally Friendly Driveway. You have to water 3 times a day to help the sod set roots. The maintenance will be a lot easier, as you won’t have to pull weeds every couple of days. Tilling is a good way to prepare your ground. Get on a good watering schedule. How to Convert a Gravel Yard to a Grass Yard. If the concrete pad is surrounded by grass, add at least 2 inches of high-quality topsoil on top of the concrete. It certainly is more eco-friendly being just grass. It *can* work, but there are things to consider. Adding materials to clay can also make the clay less stable, so the soil becomes harder to manage. If the clean fill is clay-heavy, use only topsoil to break it up. Topsoil is the necessary top 2 to 10 inches of soil in any lawn or garden. Bulk material purchase costs can be between $12 and $55 per cubic yard, plus and or including delivery. Choose a grass type that thrives in sand, such as a fescue variety, bermuda grass or sand bluestem grass. Although you will have a hard time growing trees, shrubs or other ornamental plants there, you probably will have good luck putting in turfgrass as long as you take the proper measures to prepare the area. A 2-inch layer of soil is about right. Shovel the required amount of topsoil onto the gravel. Will Letting My Lawn Go to Seed Help Grow More Grass? Once you add more than 3 or 4 inches of soil, the amount of weeds and grass that will grow through starts to drop off dramatically. parafly9. The size of the garden is about 50 SQMTs. Avoid putting sand on a lawn by itself. I would like to lay turf on it, so I was wondering how much topsoil I should put in on top of the chalk for the turf to grow. After you have the topsoil in place but before you lay grass sod or spread grass seeds, the planting site needs organic matter. Large rocks are undoubtedly attractive and aesthetically pleasing, but they are more susceptible to grass growth than smaller rocks and granules. Compost is an example of organic matter, and it is sold by garden supply stores. Written on: July 14, 2020 . If you are looking for filler then fill dirt will provide a more stable material. Choose the desired depth of the area. Turf given a chance will root deeply but can survive on about 4inches. Once the drain line is installed, coarse stone or gravel should then be put on top of the drain line leaving approximately 3–4 inches for topsoil for the lawn to grow in. Plus, the roots will likely grow through the soil you just added before long. She holds a master's degree in journalism. Also, the layer of topsoil should be about 1/8 to ¼ inch thick. Aerate. Rack it out so the grass seed is covered about 1/4 of an inch. Hi all, My backyard is just chalk. Clay soil… paulferguson_67. Update : As far as adding soil on top the gravel, I'm afraid if I don't first remove some the gravel first it will raise the ground level too far above the adjacent walkways, making it … 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. Start by clearing the area that you plan to turn into a gravel garden. I would like to have grass in this area instead. Grass roots, however, still need topsoil to grow effectively. 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. Fertilize lightly once each month during the growing season, at a yearly total of 5 pounds per 1000 square feet. The soil should be clear and raked level. Likewise, what can I put over gravel? Laying sod is an easier way than spreading grass seeds to get a thick, lush lawn over gravel. Seeds, sod and plugs all require at least 4 to 6 inches of good soil cover. Break up the soil beneath the gravel, using a spade and rake. After the topsoil is level across the planting site, the site is ready for grass sod or grass seeds. Shrub and tree roots penetrate deeper in soil. 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. The size of the garden is about 50 SQMTs. Spread 2 inches of the mixture over the ground and work it 6 inches deep into the soil with a rake. After you remove rocks or the top few inches of soil and loosen soil in an area, however, adding topsoil gives a soft landing place for grass seeds and the resulting new grass roots to grow. Purchase the grass in seed or sod form. That translates to between 0.4 and 0.8 cubic yards of topsoil for every 1,000 square feet of lawn. Basically, its been a parking lot for decades, so the gravel is really packed in and compressed. Applying compost is usually done by hand, either by applying piles of it and spreading it with a large pushbroom, or manually dropping it with large scoop type tools (I make my own by cutting the bottoms off gallon OJ containers). If you need to know how to grow grass from seed, or how to sod, we recommend a visit to our full modules on seeding and sodding for more tips. This picture shows the new sod, old lawn, and the soil over top … Level and smooth the gravelled area with the rake, to ensure the flow of rainwater in the right direction, before you lay the topsoil. Placing Topsoil on Gravel Grass roots, however, still need topsoil to grow effectively. Level and smooth the graveled area with the rake. Till over a few time once the gravel is removed. So what is considered a "small amount?" Sandy soil? Buy topsoil in bulk How much topsoil should be laid over hardcore before sowing grass seed? Filling Low Spots in the Lawn. 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. (Grass and weeds will grow through soil 2 or 3 inches thick quite easily.) Over the course of a few years, the topsoil layer will settle to become 3 to 4 inches thick. This will also help water drain away from the concrete. 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? Discussion in 'Lawns' started by dortmunder, Jul 12, 2016. dortmunder Apprentice Gardener. I usually scrape as much gravel as I can but leave the dirt packed gravel. I am scraping off the loose gravel and want to know what the minimuim amount of top soil that i need. Whether or not the topsoil should be amended depends on the soil conditions and can be determined by a soil test. I want to excavate some of the stone, put down some landscape fabric, and then put topsoil on top and plant more grass so it's level with the rest of my yard. Exact rates can depend on moisture content, type of organic materials, geographic and economic location. Then pick an area to have a much smaller rectangle or circle of grass that has some sunlight coming through. Laying grass on top of gravel with a membrane underneath is not a good idea, drainage would be great but there is no soil for the roots to grow in and it would be impossible to walk on or mow. Existing grass should be able to grow through as much as an inch of top-dressing. The soil will compress over time, so it's best to make it about 1 inch higher than the surrounding grass. Calculate How Much Material You Need For Your Project — About Bray Topsoil & Gravel If your yard has a previously graveled area that you wish to use in a different way, then you are not completely out of luck. Sow seed grass over a lawn area by feeding it into a rolling broadcast spreader. 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. No grass is going to grow very well over hardpan, which in essence is what your compacted gravel driveway is. Spread chopped straw or grass clippings over the top to help hold in moisture, and water the seeded ground frequently to keep the soil moist enough for germination. Keep the soil thick enough to support your sod so it doesn't dry out faster than the rest of your grass. I say that because you can use a minimum of 4 inches of top soil and grow grass from seed, but know that during the heat of the summer it will go dormant quickly because it will be dry quickly. Topsoil is the necessary top 2 to 10 inches of soil in any lawn or garden. There is also a lot of old brick and blocks of concrete in the garden which are ready to be skipped. Cut the lawn high to lessen the possibility of moisture loss through evaporation. Mix the gravel with the soil. Firstly is this a good idea and secondly how much topsoil would be needed on top of the hardcorde to give me a good lawn? How Much Topsoil to Grow Grass? 2 2 Answers from MyBuilder Landscape Gardeners. How to lay topsoil over gravel. Best to have it done right as Killi said -- and I'd include a weed barrier before I added sand then gravel, or just abandon the gravel and leave it a grass driveway. Moisture runs through these soil types faster than others, and the frequent watering they require also tends to wash away nutrients. Search for: Recent Posts. garden image by Krzysztof Gebarowski from Fotolia.com. Weeds seem to grow up out of it around the edges and in other spots. Get rid of some of your mucky soil to allow a bed of 4" of crushed gravel. On top of this probably another layer of cardboard, and then compost or leaves. 12 years ago . 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. Decide the desired depth of the garden area--a depth of 4 to 6 inches for a lawn and eight to 10 inches for a vegetable garden is ideal. About Bray Topsoil & Gravel. I want to extend my backyard out a little. Using a dry topsoil and sand mix is much better for leveling uneven areas than putting sand on a lawn without mixing. I usually lightly rake the entire area to provide loose dirt to bed the seeds. Gravel yards can't replace the natural beauty of turf grass. Once again, the soil must be adequately raked and graded for proper drainage. © Copyright 2020 Hearst Communications, Inc. University of California Extension: Fertilizing Sandy Soil, Gardening in Sandy Soil; Cynthia Lynn Fornari, Home Gardener's Problem Solver; Denny Schrock. How Often to Top-Dress . Those proper measures include laying topsoil. Improve the soil's moisture retention with a mixture of compost or peat and loamy topsoil. I have an area on my property where there is really hard packed, dense gravel. As far as the ideal amount of topsoil is concerned, it is generally recommended to use about 4/10 cubic yards of topsoil for every 1000 square feet of yard. I have an uneven back garden which i now want to level. It’s suitable for almost every type of garden, it’s easy maintenance and there are many types to choose from. Hi Liv, you will need to kill the grass, including the root system. Turf needs at least six inches good drained soil to establish well rooted lawn. This will help hold in some of the moisture before it goes down into the gravel and out. soil grass gravel. Keep the dogs off it for first two weeks until it starts to grow. Before buying topsoil, ask how much it will settle; that information will help you determine how much to purchase. Laying sod is an easier way than spreading grass seeds to get a thick, lush lawn over gravel. It’s one of the best techniques to use and many have tried and succeeded in achieving a beautiful and healthy lawn this way. Otherwise, to be right, this driveway needs dug up and either rototilled in with great amounts of manure, or the soil outright replaced. I was hoping i could get away with about an inch. Remove as much of the gravel as possible before laying the topsoil. Add 1 or 2 or more inches … It is able 12 inches thick of compacted dirt laced gravel. The Natural Reseeding of a Centipede Lawn. Bray Topsoil & Gravel can deliver top quality soil and fill dirt directly to you in the Greater Cincinnati Area! For sod grass, lay it down over the yard and press it flat with a sod roller. Experimenting on a small scale at first is recommended to be sure that any additions are worthwhile and won't have damaging effects on workability of the soil. Lawns should be aerated every 2-3 years, and if yours is due, start with a nice core aeration. In time grass will grow over the gravel and the drain should still function normally. But yes, you can add topsoil over the grass on your lawn. The best time to covert your gravel yard to grass is either in the spring or fall months. You will need a *minimum* of 4" of topsoil over that gravel to get grass to take and establish. Seeds, sod and plugs all require at least 4 to 6 inches of good topsoil. Gravel covered yards are popular because they do not use water, but gravel makes the yard hot and is difficult to walk on. Plant it in the summer so it has time to set roots before winter. Another tip to prevent grass from growing in gravel is to choose a smaller type of gravel. The size of the garden is about 50 SQMTs. I have a french drain that is covered in crush stone that currently marks the perimeter of my lawn right now. To calculate how much topsoil you need, simply measure the dimensions of the area you wish to cover and multiply this by the depth required. Regular amendments to sand or gravel conditions can improve soil retention and allow drought-tolerant grass varieties to flourish. Gently walk over the surface so it is firm but not too compact. Any help would be appreciated. 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