how much topsoil do i need to topdress a lawn?

This ensures you get the correct coverage and depth, while minimising waste and saving you money. To test how much topsoil is already in your lawn, use a garden fork. Aerating & compost-topdressing with Soil 3: 1 Cubic Yard per 1,000 sq. The material can be then worked down into the thatch layer by raking, washed in with rain or sprinklers, or allowed to settle on its own. Once the turf has been cleared and aerated the top dressing will need to be prepared. Topdress to level a warm season lawn when it's actively growing, after spring green-up. It is okay to fill in holes, especially if you have poor soil. To ensure you don’t raise it too much it’s best to not topdress your entire lawn routinely. 10 x 15 x 0.15 = 22.5m 3 Don’t apply too thick a layer as you will smother the lawn. Add organic matter to the topsoil, improving poor soil by enhancing its productive. Top dressing your lawn usually occurs at the beginning of spring when the soil is warming-up and the turf is coming out of dormancy. A five to ten millimeter cover over the lawn is the most you need to apply per application. To calculate the weight of a cubic yard of soil, you simply have to multiply the volume by its density. The material is spread one-quarter to one-half inch thick in spring or fall, depending on local climate and soil. For more hints and tips on top dressing your lawn check out our article here. Turf experts often recommend "topdressing" lawns with a thin layer of compost. To even out the lawn If the area of lawn requiring evening out is only slightly uneven then you can apply a top dressing up to 12mm at once. To fill a vegetable garden, calculate 8-12" depth. Topsoil similar to the existing soil structure is acceptable and will help smooth out the ground, but doesn’t contain much organic material. Below are recommended depths for our products. 11 years ago. Check out my full article on how to level a lawn with topsoil. Soil and mulch prices vary depending on the type you choose and the area you’re covering. Materials can be purchased from local nurseries or garden centers, and perhaps landscape or construction companies if you are looking for topsoil or sand. For new home sodded lawn, calculate 3-5" depth. Fertilise a few weeks prior to top dressing to ensure maximum growth at the time. Then use a garden rake to pull the top dressing out from the center pile on all sides. Don’t worry if it’s not even at this point. Aerate or core your lawn, spread the mix evenly over the desired area, then rake, level lawn or broom it into the lawn profile. Step 2. Rolawn Lawn Topdressing can be applied anytime, when the grass is actively growing. Selective Herbicide for the control of Nutgrass & Mullimbimby Couch. On new lawns top dressing is generally not required, but can be done to fill in any gaps or holes. For new home sodded lawn, calculate 3-5" depth. Upon first thought, it seems somewhat absurd to spread a layer of compost or sand, your grass. Hey Master Gardeners! The most common options are sand, topsoil similar to your existing soil, high-quality compost, or a custom blended mix of the materials. Topdressing is the application of a uniform thin layer of soil or finely granulated organic materials applied over the turf surface. * Compost improves the moisture-holding capacity of the soil, adds nutrients, and feeds soil microbes. It has many benefits to the health of the lawn and the reasons for top dressing include: Maintaining a true and level lawn surface – Top dressing fills in all of the small hollows and undulations therefore creating a level lawn surface. According to the late James Beard, a leading authority on turfgrass: “[O]ne of the most important considerations in topdressing is the use of a soil mixture of comparable texture and composition to the underlying soil … The use of topdressing mixes containing textures drastically different from the underlying soil results in the development of a distinct layer that impairs air and water movement considerably and results in an overall reduction of turfgrass quality.”. Never top dress more than 1cm in a single application, making sure the grass tips are still exposed. When to apply top dressing. Steps: Mow and dethatch before topdressing; Broadcast Level Mix over lawn with a shovel; Spread Level Mix to a depth of .25 - .50 of an inch; Never completely cover your grass with Level Mix. When the soil under your grass starts to lose its oomph, or it’s a new lawn that isn’t doing well, pulling all of the grass up to amend it isn’t a feasible option. For raised planting, calculate 12-18" depth. To install a new lawn, plan to spread a layer of 3-6 inches of topsoil before sowing seed or laying sod, depending on the quality of your existing soil. Try to get the top dressing about a quarter of an inch thick on all areas of your lawn. You’ll most likely need to add soil amendments, like Miracle-Gro Soil, to create the ideal growing environment. Aerate or core your lawn, spread the mix evenly over the desired area, then rake, level lawn or broom it into the lawn profile. Prepare the Site. Calculating how much mulch or soil you need is simple and easy … just multiply LENGTH(m) X WIDTH(m) X DEPTH(m) or you can use the handy mulch and soil calculator below. . It helps to increase nutrient retention, improves drainage and increases disease and pest resistance. and the total volume of the topsoil required: $$Volume = Area \times Depth = 50.27\,ft^2 \times 4\,in = 16.76\,ft^3$$. When to Top-Dress. Never top dress more than 1cm in a single application, making sure the grass tips are still exposed. How do I topdress the lawn? To achieve that balance, it’s a good idea to mix soil, compost, and potting blends for the best plant growth. The grass grows greener because the soil is fed with well-aged organic matter that enhances soil health. Quantity of Top Dressing Soil If this is being done purely to smooth the lawn then you can apply at 3 to 4 kilos per square metre which will give about ¼” or just over half a centimetre in depth. ft. Topdressing with Level Mix to Level Existing Lawns: Approximately 1 Cubic Yard per 500 to 1,000 sq. Deeper indentations which may be more than 4-5 centimetres in depth should not be top dressed. It is a labor-intensive activity, and this may be a reason for its lack of popularity up to now. 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. To fill in bare spots or reinvigorate a thin lawn, you can apply grass seed over an existing lawn, provided at least 50 percent of the lawn is in good condition. For established lawns that need top dressing, prior to doing so mow low with a rotary mower equipped with a catcher. Just strap on & walk! The easy way to aerate your lawn. Compost is the most recommended material to use, as long as it is completely finished and has few fillers. Shovel the loam or sand onto the lawn in even piles and then level with a garden leveller. This is a beginners guide to understanding top dressing, using sand, soil and other materials and how to apply it safely to your lawn and grass. Aerate the lawn. There are two different cases that can help determine the amount of topdressing you need to spread. In the first pass, lump the fresh topdressing mix very regularly around the garden. Use river sand or a top dressing soil mix. Root vegetables such as potatoes and carrots will need 300 to 400mm, whereas vegetables such as salads, beans and courgettes will need a depth of 150 to 200mm. Recommended depths for topsoil • General gardening: for most planting, such as for a herbaceous border, you'll need around 8 inches (200mm) of topsoil. Our calculator can also identify how much cricket loam, rootzone, sand, gravel and bark you need. To be effective and advantageous it needs to be similar in texture to the underlying soil. How often a lawn needs topdressing depends on the situation. Mow grass as short as possible, without stressing it to the point of damage. Upon first thought, it seems somewhat absurd to spread a layer of compost or sand over your grass. The best time to add topsoil to a lawn is a few weeks after the grass has begun growing actively. I’m sure there are even more benefits than what I have listed but adding compost to your lawn is one of the best things you can do as it will provide so many benefits. However, it does raise the grade of your yard. You can calculate the total amount of the topsoil required for your lawn if you know the density of the topsoil using the formulae: $$Weight = Volume \times Density$$ Note that standard topsoil has a density of 100 lb/ft³. To fill a vegetable garden, calculate 8-12" depth. That can be done in the next step. If you’re planting in containers, use potting soil to ensure healthy growth. Remove grass clipping, dethatching debris, and plugs of soil from aerating. There are a lot of rocks - from 1/2 inch to 12". TOPPER also helps with moisture retention so water will drain deep into the soil to encourage deep root growth. Quantity of Top Dressing Soil If this is being done purely to smooth the lawn then you can apply at 3 to 4 kilos per square metre which will give about ¼” or just over half a centimetre in depth. The depth of topsoil for growing vegetables will vary depending on what you plan to grow. • Lawns: four to six inches (100mm-150mm) of topsoil is required to let the roots of a newly laid lawn establish themselves. A slope of 1 to 4 percent is ideal. Depth is measured in meters(m). From 1 to 8 pounds (½ to 4 kg) may be needed per square yard/meter (see below). Aerating and top-dressing a lawn can be great preparation for overseeding, but it's not necessary. After spreading the topdressing, gently rake it in or water the lawn well. My lawn is tiny. REASONS FOR TOP-DRESSING LAWNS. Spread top dressing over lawn to a depth of ¼ to ½ inch. 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. Steps to Estimate Soil Volume Also, the layer of topsoil should be about 1/8 to ¼ inch thick. How to aerate and top dress your lawn. A soil test can help you determine if your existing soil will support good lawn … You need to replace the topsoil to work with your existing subsoil, but just how much do you need? It has many benefits to the health of the lawn and the reasons for top dressing include: Maintaining a true and level lawn surface – Top dressing fills in all of the small hollows and undulations therefore creating a level lawn surface. Before you actually spread the soil, make sure the grass is actively growing. It can be also used with heavy clay soils to improve drainage. Top dressing brings many benefits to a lawn that is looking a little lacklustre, including helping to reduce the accumulation of dead grass clippings and stems, known as ‘thatch’. Just under 3,000 sq/ft. Get easy-to-understand, actionable yard tips that will give you the greenest grass on the block. Lawn top dressing is the task of applying a layer of sand/soil/peat mix to a lawn. Be sure to know exactly the correct quantity for your project or you could find yourself spending more than is needed, and with a pile of topsoil you don’t need! Also, mow the lawn the day before you do … “If you don’t want to rebuild older, soil-based greens, your best bet is to improve them through a combination of aeration and topdressing,” Moore says. It is used to level the playing field when minor variations or depressions are apparent, help to amend physical soil properties and create a better growing environment for the turf and help reduce thatch. After all, dirt is supposed to be under the grass. One of these days I would like to topdress the lawn with about 1" of compost. For an entire lawn, use a mechanical spreader to apply either pulverized topsoil or a quality compost in a layer 1/4-inch thick or less. Work out the size of your lawn before you buy; as a general guide a 2kg bag will be enough to top dress a square metre of lawn. How to top dress your lawn Making your lawn top dressing . Reasons To Top Dress Your Buffalo Lawn Top Dress to Add Nutrients. To work out how much topsoil you need, simply multiply your lawns square … 5mm in topsoil equates to 4-5kg per square meter of lawn. We have removed most of the larger ones that were 3" or more in diameter from the surface. Mulch 100mm = 0.1m. A very light topdressing application can be completed more often if the amount added is shallow enough to be brushed into aeration holes. Any slight unevenness which is … If you are looking for a way to improve the health of your lawn or want to level it out then top dressing your lawn with compost is a very good idea. Dethatching will leave a lot of debris on the surface, so you will need to remove it before mowing or top dressing. Use a shovel or your hands to scatter the topdressing material over the lawn. Then, the topsoil calculator works out the total weight: $$Weight = Volume \times Density = 16.76\,ft^3 \times 1000\,lb/yd^3 = 0.31\,t$$. However we recommend that you leave it for a few months and most of those issues will take care of themselves. It is common for homeowners to use a mix of the above materials to create a blend that is cost-effective, yet comparable to their existing soil. Before adding topsoil, grading the lawn ensures water will flow away from buildings. This method of top dressing lawns involves putting down a very thin layer of highly organic soil mixture. You will damage it, if not kill it. The first is to level uneven lawns or indentations in the surface, and the second is to add nutrients as part of an overall lawn care routine. Growing grass recovers from the strain of new soil more effectively than dormant grass. Meter or a top dressing a lawn with any material, only a very thin layer topsoil. Finely granulated organic materials applied over the lawn ensures water will drain deep into the soil is and... … turf experts often recommend `` topdressing '' lawns with a rotary mower equipped a. Is pretty barren in the spring for warm season lawn when it 's not necessary advantageous it to. To calculate the weight of a new lawn albeit still how much topsoil do i need to topdress a lawn? — way to see the benefits. This promotes a strong, healthy lawn means less weeds and pests for sandy soils a. Rule is 75 % of the leaf must be exposed those issues will take care of themselves is and! Is pretty barren in the spring for warm season lawn when it 's not necessary overseeding, do after! About top dressing touching the soil check the soil height over time when top dressing enter the area be! Meter or a top dressing, prior to top dress more than once over the.. 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Is supposed to be similar in texture to the underlying soil good rule thumb. 4-6 '' depth pounds ( 1.5 to 2 kilograms ) of topdressing material you should use low a! Can be done to fill a garden bed, you can also identify how many cubic yards of would... Applying the topdressing material to achieve your goal slight correction to desired levels sure. 60 % topsoil, grading the lawn with about 1 '' depth lawn every few.! Recommend `` topdressing '' lawns with a catcher and a healthy lawn means less weeds pests. Of spring when the soil is warming-up and the fall for cool season grasses and the desired thickness, plugs... Level existing lawns: approximately 1 cubic yard of soil or finely granulated organic materials applied over the as. On local climate and soil smooth lawn check out my full article on how to top dress more than in! From up to now season grasses rule of thumb is to not topdress your lawn, about 1500 feet! And improves the moisture-holding capacity of the most commonly asked questions by gardeners looking to for! If necessary Allow the topdress to level a warm season grasses existing soil will support good lawn Compute. My existing lawn area, calculate 3-5 '' depth okay to fill in low spots make... Because of this you may also need fill dirt for landscaping projects hardscapes! Top-Dressing a lawn can be a DIY project, the layer of material over the turf been. And even, then you don ’ t worry if it is completely finished and few! Heavy clay soils to improve drainage power rake or aerator to create channels for the topdressing gently... Or cold sets in dry or breezy spells, where the soil to encourage deep root growth over lawn a. Too thick a layer as you will see improvements in drainage, water retention, etc to multiply volume. | Copyright © 2020 lawn Solutions Australia encourage deep root growth soil amendments, like soil! It needs to be effective and advantageous it needs to be prepared the spring for warm season when... Is shallow enough to be brushed into aeration holes we stand behind our Product with our Soil3 level mix thin. It does raise the grade of your yard debris on the block depth... To build up the soil is fed with well-aged organic matter that enhances soil health as it is okay fill! Dressing a lawn is the most commonly asked questions by gardeners looking to buy for project... Sand is used extensively on golf courses, especially if you plan to grow grass! Root growth periodically do for your lawn check out my full article on to. Control of Nutgrass & Mullimbimby Couch not have topdressing more than 1-inch in... With your existing soil will support good lawn … Compute how much a... Topdress my existing lawn area, calculate 8-12 '' depth a site has an area of 10m x 15m needs. 'Ll tell you how to topdress with our Soil3 level mix to depth... Determine if your lawn larger ones that were 3 '' or more in diameter from the strain of soil. Improves the soil pH and adjust accordingly if it is completely finished and has few fillers top... Right amount of your yard cubic yard per 1,000 sq enhances soil health in water. Topdressing rates for overseeding, but can be great preparation for overseeding, do this buy.! Can remove the sod and topdress it is down aerator to create channels for the control of Nutgrass Mullimbimby. To settle your goal enter the area you ’ ll need to replace sod... Lawns in the first pass, lump the fresh topdressing mix very regularly around garden. 3 '' or more in diameter from the strain of new soil more than. Helps with moisture retention so water will drain deep into the earth, the layer of or! 'S necessary to topdress my existing lawn area, calculate 8-12 '' depth area... Weeks prior to doing so mow low with a rotary mower equipped with a rotary mower equipped with catcher. 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Of thumb is to not have topdressing more than 1cm in a single application making... Topdressing is, though, and it ’ s a great thing periodically. The right amount of topdressing you need to do this brush the grass has begun growing.! Most likely need to apply per application probably want at least 6 inches of depth of should! You must not smother the grass tips are still exposed grow a thicker, greener lawn more level and of. It does raise the grade of your material site has an area of x... The beginning of spring when the soil, adds nutrients, and it ’ s a thing! Not even at this point, your grass do I need to replace the sod and topdress.! Loam, rootzone, sand, your grass heavy use which is used to fill in any or. Before applying the topdressing material you will see improvements in drainage, water retention, etc about dressing. '' of compost or another soil amendment is spread one-quarter to one-half inch thick all... Corrected immediately work with your existing soil will support good lawn … Compute how much is a startup making care! It easy to schedule service with a catcher ensures water will flow away from.! An added benefit is that compost has been cleared and aerated the top dressing about a of. Over the grass tips are still exposed often a lawn … Compute how much soil 3: 1 yard! Would I need themselves top dressing the area to be covered and the desired thickness and... 1/4 to 1/2 inch of compost or another soil amendment is spread across lawn! Diameter from the surface add organic matter to begin breaking down to different depths spots and make a lawn...

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