Landscaping shall be provided to promote a desirable visual environment, to accentuate building design, define entranceways, screen parking areas, mitigate adverse visual impacts and enhance buffer areas. The landscape design shall create visual diversity and contrast through variation in size, shape, texture, and color. In determining the selection of plants, susceptibility to disease and insect damage, wind damage, habitat (wet-side, drought, sun, and shade tolerance), soil conditions, growth rate, maintenance requirements, etc., shall be considered.