The Only Shrubs You Need to Grow.This is a picture of purple smoke bush that ignites the border. Their stems grow straight up like pipe cleaners, a habit which makes them useful additions to any border in need of diverse forms.
Keep the garden vertical. That's why it's good to look for shrubs and trees that max out interest as they grow up, not out. Try dwarf varieties for a small backyard, as well as more columnar evergreens (bonus—they boost wintertime interest, too).