This applies to a healthy Bonsai Tree which has had proper care. Repot quick growing species, at least twice a year. A Bonsai Trees rate of growth determines the frequency of repotting, depending on the type every second year. Therefore, periodically cut back the main root of the Bonsai Tree and thin out the surface roots. The surface roots will be bonsai tree for sale nourished but the main root near the trunk will die. The growth of these roots makes it difficult for vital water and air to penetrate the soil. A healthy tree puts out new surface roots every year. The health of trees depends on the care of changing the soil in the pots and the proper pruning of surface roots.
