The best soil for pine trees is a mix of sandy, loamy, and clayey layers that have a high organic content. The soils should be amended with compost, sulfur, and other nutrients to improve water uptake and vigor. Pine trees need a deep soil mix with good drainage to thrive. Inappropriate soil amendments can lead to Node rot in your tree. For more information on the different types of soils ideal for pine trees, visit Pro grow Trees or go to our website [link].