Adding decomposed granite to clay soil. Try adding compost.

Adding decomposed granite to clay soil. I can't seem to grow anything in our decomposed granite soil. Oct 13, 2011 · decomposed granite calcined clay (often sold as cat litter; just make sure you get the right product—you don’t want to get something that turns to mush or has added fragrances or disinfectants) Apr 25, 2025 · The 3 Steps to Make Potting Soil for an Avocado Tree 1. You need something to hold moisture, which decomposed granite will not do. It can compact down (which is why it works so well as a mortar in flagstones & to make paths) so be sure to mix it in well. This also adds minerals to the soil. I've enhanced it with topsoil and water frequently, but even wildflowers refuse to sprout. Jul 18, 2024 · Heavy clay soil can be frustrating. From what I've read, the DG install process is straight forward. You can mix fine decomposed granite into regular potting mix to improve the drainage, but you need to be making a mix similar to "cactus mix" at least. Adding organic matter to decomposed granite can improve its fertility and water-holding capacity. pm h7d weg ww 80xbp eh eimav4 ydg det gxaot