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 evergreen foundation planting, via ir landscape and design that is 525x350px in size. This image is listed in evergreen plants garden ideas category. Top 10 Evergreen Shrubs Thompson Morgan, 525x350 in 55.30 KB.