Famous Raised Garden Bed Soil Compost Ratio 2022. In raised garden beds, always make sure the completed compost is free of weed seeds. The recommended ratios are 60% topsoil, 30% compost, and 10% potting soil.
This means that for every part of compost, you will add three parts of soil. Topsoil is the top layer of soil that contains a high concentration of. The ideal ratio of compost to soil for a vegetable garden is 1:3.
