Method of Grouping Plants. The question of whether plants forlandscape use should be grouped according to height or according toother characteristics, such as season of bloom, character of growth,soil adaptations, etc., is one that has been discussed to a considerableextent. The writer feels that in the selection of plants as a part of anylandscape design, the question of height is of secondary considerationas compared with the natural characteristics and adaptations of thestock under consideration. The selection of plants for specific pur-poses such as background planting, undergrowth planting, windbreaks,ground cover, etc., implies that, in addition to other important char-acteristics of hardiness, compactness, and qualities of fruiting and