Green and yellow border in railway sleeper raised beds - Dicksonia antartica, Euphorbia mellifera, Hosta 'Sum and Substance', Hakonechloa macra 'Aureola', Carex comans, Rodgersia, Geranium maderense. | GAP Gardens
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.