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How much topsoil do I need to use?
17th July 2020

How much topsoil do I need to use?

How much topsoil do I need to use? Springbridge's topsoil calendar is here to help!

Late spring and early summer are ideal times for getting your garden and landscaping projects underway. Whether you are freshening up the soil for some new plants or developing an entirely new green area, you are going to need plenty of nutrient-rich topsoil to give your project the best chance of blossoming wonderfully over the rest of the summer.
Exactly how much new topsoil you need might seem like a mathematical nightmare, but it is actually very easy to figure out using the Springbridge Topsoil Calculator. Here we walk you through how to use the calculator and find out exactly how much topsoil you need for your purposes.

How to Use the Topsoil Calculator

First choose which product you require, with the Springbridge Topsoil Calculator featuring four categories starting with topsoil, with further categories including compost, landscape bark and play bark.
Secondly you will be asked to select the shape of the area you are looking to use the topsoil or other products in. For calculation purposes, there are four options including a square, circle, triangle and L-shape. Most areas you will use topsoil or the other products for will fall under one of these shapes. Even if the area you want to use your product doesn’t fit exactly into any of these four shapes, you can still select the one that matches up the closest. A semi-circle space, for example, would be best matched with a triangle as they will have similar dimensions. Simply measure the straight-line distance from one corner of the semi-circle to the peak of the rounded part and measure back towards the other corner to get the two shorter lines of the triangle. A rectangular shape can be calculated via the square option, as two different lengths can be entered for each side.
The third step requires you to enter the measurements of the space. The fields you need to enter are unique to each shape, but each has a diagram explaining exactly which measurements you need to enter.
The final step is entering the amount of depth you will need to fill with the product. This might sound like the most difficult part to figure out for yourself, but again it is quite easy as the Springbridge Topsoil Calculator features depth recommendations according to the most common usages of each product.

Advanced Topsoil Calculator Recommendations

There are some variations to the amount of depth that may be required depending on your intended usage. This is especially relevant to topsoil as this product can be used for slightly different purposes which may alter the amount of depth required.
For laying turf, you will need to buy topsoil to fill a depth of about 150mm, or approximate six inches. This depth provides freshly laid turf with the best conditions to settle quickly and subsequently thrive. This depth is also recommended for seeding although, as explained below, growing larger plants may require a deeper depth.
If you intend to plant a lot of flowers, then it is better to buy topsoil bulk bags that enable you to fill to a depth of up to 200mm. If you intend to grow vegetables or any other plant that develop deeper root systems than flowers, then it is recommended to have enough topsoil fill to a depth of between 300mm and 400mm.
If you require topsoil bulk bags for a gardening or landscaping project, or other gardening products such as compost, landscape bark or play area bark, then contact Springbridge via our website or call today on 0845 370 1921 for more information.