Root ball

A root ball^[1] is the mass of roots and growing media at the base of a plant such as trees, shrubs, and other perennials and annual plants.^[2] The appearance and structure of the root ball will be largely dependent on the method of growing used in the production of the plant. The root ball of a container plant will be different than that of the field-harvested “ball and burlap” tree.^[3] The root ball is of particular significance in horticulture when plants are being planted or require repotting as, the quality, size, and preparation of the root ball will heavily determine how well the plant will survive being transplanted and re-establish in its new location.^[4]