Landscaping shall be provided to promote a desirable visual environment, to accentuate building design, define entranceways, screen parking areas, mitigate adverse visual impacts and provide windbreaks for winter winds and summer cooling for buildings, and enhance buffer areas. The impact of any proposed landscaping plan at various time intervals shall be considered. Plants and other landscaping materials shall be selected in terms of aesthetic and functional considerations. The landscape design shall create visual diversity and contrast through variation in size, shape, texture and color. The selection of plants in terms of susceptibility to disease and insect damage, wind and ice damage, habitat (wet-site, drought, sun and shade tolerance), soil conditions, growth rate, longevity; root pattern, maintenance requirements, etc., shall be considered. Consideration shall be given to accenting site entrances and unique areas with special landscaping treatment. Flowerbed displays are encouraged.