Most gardeners are familiar with classic perennials such as daylilies, peonies, hostas, and iris, but there's a whole host of lesser-known, underused perennials that can add color and interest to your garden. You may have to search for them at your garden center or an online source, but they're all worth the effort. Here are 15 of our favorite underused perennials.
Ceanothus 'Diamond Heights' Brilliant chartreuse evergreen leaves with bold, dark green markings down the center. Excellent paired with plums, burgundy, and the forest green of shrubby Euonymous, Boxwood, or Japanese Holly.