Evergreen shrubs provide the permanent structure of a garden so necessary in the overall landscape design, especially in winter when deciduous types are dormant. In this regard, they make excellent backgrounds for deciduous plants. Also, consider the advantage of permanent plant foliage against a plain house or fence wall or where a garden division is needed.
Shrubs vary greatly in color, flowering, size, texture and fragrance .
Yes, many shrubs have wonderful frangrances. Planting these near windows and entrances to homes enhances their beauty and the value to all. A properly planted shrub will be more tolerant of adverse conditions and require much less management than one planted incorrectly. Planting technique impacts water quality as it minimizes water, fertilizer and pesticide use. When making decisions on planting techniques, one should consider how the plant was grown in the nursery, the plant's drainage requirements, the soil type and drainage characteristics, and the availability of irrigation water.