Top 10 Evergreen Shrubs. Evergreen shrubs provide permanent structure in the garden and interest.. Some have beautiful flower displays, or are highly scented in winter when little else is growing, and some have variegated or colourful foliage - a perfect foil for summer perennials, and a feature in itself during the winter. Top 10 Evergreen Shrubs | Thompson & Morgan Please note: You are currently browsing img small yard small garden landscaping ideas a well that is 550x458px in size. This image is listed in evergreen plants garden ideas category. Top 10 Evergreen Shrubs Thompson Morgan, 550x458 in 92.43 KB.