Belgravia House in London by Todhunter Earle. Even though this is a rooftop garden, the design show would be excellent for any long, narrow yard. Great way to break up the space by making different "zones"!
olive trees in courtyard. Evergreen, soft grey tones, hardy and easily shaped. My husband really wants one of these in our garden so he can have an "on-tap" supply of olives and a reminder of my Italian roots.
add wood wallpaper to the kick plates of the stairs. Those rolls are expensive but you would only need one. Not practical with white treads though, it will be stuffed up from black shoe soles in no time.
Don't have much space to grow your favorite plants? Try building a vertical garden like this one, designed by Susie Frazier. Using salvaged wood, threaded rods and bolts, and a handful of mason jars, you can construct a simple hanging planter to add a lot