Lavandula angustifolia 'Imperial Gem' A compact, bushy variety of English Lavender which is covered with masses of tightly packed, rich purple flowers in summer. These contrast beautifully with the silver-grey foliage. HxS 60cmx45cm. Fl. July-Sept.
Salvia nemorosa ''Sensation Rose' (Sensation Series)' - Throughout summer, spikes carry masses of rose pink flowers, each sitting within a deeper purplish-pink calyx. Their compact, tidy habit makes them ideal for containers and window boxes, as well as creating colourful drifts towards the front of a sunny border.
Site has suggestions for plants/flowers that will attract and provide food for bees in all 4 seasons (click photo)... nice - and informative Journal article, click link here - http://www.jstor.org/stable/2455613?seq=1#page_scan_tab_contents. More